Littérature scientifique sur le sujet « Sistemi informativi statistici »
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Articles de revues sur le sujet "Sistemi informativi statistici"
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Wazlawick, Patrícia. « Pensiero filosofico della Cultura Umanistica come pressupposto alla Pedagogia Ontopsicologica : resultati del percorso formativo dei giovani nell’educazione universitariaPhilosophical thought of Humanistic Culture as a prerequisite to Ontopsychological Pedagogy : the training of young people in higher education results you ». Saber Humano : Revista Científica da Faculdade Antonio Meneghetti 6, no 8 (4 août 2016) : 29. http://dx.doi.org/10.18815/sh.2016v6n8.133.
Texte intégralRésumé :
Ricerca esplorattiva ed empirica, approccio quantitativo-qualitativo, nell’interfaccia tra filosofia (pensiero filosofico della cultura umanistica), pedagogia ontopsicologica e educazione universitaria. L’obbiettivo generale è investigare come la pedagogia ontopsicologica contribuisce alla formazione personale/professionale dei giovani. Fondamentasi teoreticamente, in modo storico e pratico, nell’educazione, pedagogia ontopsicologica e formazione dei giovani nella contemporaneità. Il campione è stato formato con 49 giovani, studenti dei corsi di laurea in Amministrazione, Diritto e Sistemi Informativi, in una facoltà privata, localizzata in municipio al sud del Brasile. Questi giovani, età media di 25 anni, hanno risposto a tre test quantitativi di ricerca in due momenti diverse: quando si sono ingressati nei corsi di laurea, e di nuove mesi ad un anno dopo, caratterizando la seconda applicazione. I test utilizzati sono stati: a) Inventario dei Cinque Grandi Fattori della Personalità (Big Five); b) Scala Esistenziale di Längle; c) Test Forma Mentis. Dopo è stato applicato un questionario qualitativo con questione aperte, per raccogliere informazione di significati/sensi dei partecipanti che hanno avuto un maggior risultato di significanza statistica nell’applicazione dei test quantitativi. Lo studio ha realizzato analisi statistici e analisi del contenuto e del discorso. Con l’analisi e discussione dei risultati il problema di ricerca è stato risposto, siccome l’obbiettivo generale e gli obbiettivi specifici, producendo tre conclusioni principali. Si conclude che la pedagogia ontopsicologica contribuisce con resultati efficienti nell’aspetto psicologico dei giovani, una volta che la dinamica di sviluppo della personalità mentre il periodo studiato realmente esiste, e ausilia nello sviluppo sano personale, esistenziale e professionale degli studenti.
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Wicaksono, Nugroho Budi, Rinta Kridalukmana et Ike Pertiwi Windasari. « Sistem Informasi Antropometri Terintegrasi Dengan Sistem Tertanam Sebagai Pengukur Berat Dan Tinggi Balita ». Jurnal Teknologi dan Sistem Komputer 4, no 1 (23 janvier 2016) : 187. http://dx.doi.org/10.14710/jtsiskom.4.1.2016.187-201.
Texte intégralRésumé :
Indonesian children’s growth are monitored monthly and can be seen by the KMS graphic and posyandu cadre’s book. The data from posyandu activity will be evaluated by the government health department. In practice, there are many obstacles to make posyandu works ideally. First, the cadres of posyandu have a difficulty to use the conventional anthropometric equipment, so the measurement data may not be valid and precise. Second, noting the KMS graphic needs an accuracy. Third, the measurement result in posyandu is not rapidly integrated to the central health data. A technology innovation of automatization anthropometry measurement called OTOTIM designed for infants that supported by an integrated information system is needed to solve those problems. OTOTIM designed to make anthropometric measurement for infants more fast, valid, and accurate. The measurement result will be stored in the database and transferred to an image that describe the nutrition status in the KMS. Microcontroller will process the data from load sensor that measure baby’s weight and ping sensor that measure baby’s height. Then those raw data will be sent to main component of OTOTIM, which is the software itself to gain informative result of measurement, that consist of right suggestion on what kind of treatment used to take care various nutrition condition of infant and comparison against the previous measurement. OTOTIM will also generate statistics which group the infant by nutritional condition for each month. Those statistics will also include information on how percentage of male and female babies which have certain nutritional condition. However those statistic will provide information which is relevant only for specific district as OTOTIM used in regional manner. In order to create statistic which is relevant to consumed by public, those measurement data must be processed in central server which can calculate whole data and grouped them by nutritional condition. OTOTIM introduces the central server that bring synchronization service between OTOTIM software which is installed locally on client PC and the server itself. OTOTIM software have to establish a connection to server to publish subdistrict-specific statistic, however this connection is not mandatory to run primary function. So if client have trouble to connect, this will not interrupt the primary function as OTOTIM supposed to run in less-signal environment.
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Ramadhan, Sahara, et Nadya Safitri. « Model Kesuksesan Sistem Informasi Delone Dan Mclean Terhadap Sistem Informasi Akademik Pada Universitas Bina Insani ». INFORMATION MANAGEMENT FOR EDUCATORS AND PROFESSIONALS : Journal of Information Management 5, no 2 (2 juillet 2021) : 85. http://dx.doi.org/10.51211/imbi.v5i2.1562.
Texte intégralRésumé :
Abstrak: Sistem Informasi Akademik membantu kegiatan pengelolaan atau pengadministrasian berbagai kegiatan dalam rangka terselenggaranya proses belajar mengajar yang efektif dan efisien di suatu Lembaga Pendidikan tinggi. Universitas Bina Insani telah menerapkan Sistem Informasi Akademik selama lebih dari dua tahun. Namun pada kenyataanya sistem tersebut memiliki beberapa masalah terhadap pengunaannya. Agar suatu sistem informasi dapat berjalan dengan optimal sesuai dengan keperluan penggunanya, maka perlu adanya evaluasi terhadap sistem informasi. Evaluasi ini menggunakan metode DeLone & McLean (2003) dengan 4 variabel yaitu kualitas sistem, kualitas informasi, kualitas layanan dan kepuasan pengguna. Populasi pada penelitian ini adalah Mahasiswa dan dosen fakultas informatika serta bagian akademik dan bagian Pendidikan dengan jumlah sampel yang digunakan sebanyak 92 responden. Instrumen penelitian menggunakan kuesioner online. Adapun metode analisis yang digunakan Partial Least Square (PLS) dengan menggunakan software SmartPLS.
Hasil analisis ini adalah diterimanya tiga dari tiga hipotesis yang diuji. Sehingga hasil tersebut menunjukan kualitas sistem mempunyai pengaruh yang positif dan signifikan terhadap kepuasan pengguna dengan nilai koefisiensi jalur sebesar 0,407 dan t-statistic sebesar 4,699, kualitas informasi mempunyai pengaruh yang positif dan signifikan terhadap kepuasan pengguna dengan nilai koefisiensi jalur sebesar 0,336 dan t-statistic sebesar 2,782 sedangkan kualitas layanan berpengaruh positif tetapi tidak signifikan terhadap kepuasan pengguna dengan nilai koefisiensi jalur sebesar 0,206 dan t-statistic sebesar 1,898.
Dengan demikian, Penelitian ini menunjukan bahwa Sistem Informasi Akademik yang telah diterapkan di Universitas Bina Insani dapat dikatakan sukses dalam memberikan manfaat yang baik terhadap penggunanya.
Kata kunci: Sistem Informasi Akademik, DeLone & McLean, SmartPLS, PLS
Abstract: The Academic Information System assists activities in the management or administration of various activities in the context of implementing an effective and efficient teaching and learning process in a higher education institution. Bina Insani University has implemented an Academic Information System for more than two years. However, in fact the system has several problems with its use. In order for an information system to run optimally according to the needs of its users, it is necessary to evaluate the information system. This evaluation uses the DeLone & McLean (2003) method with 4 variables, system quality, information quality, service quality and user satisfaction. The population in this study were students and lecturers of the faculty of informatics as well as the academic and education sections with a total sample size of 92 respondents. The research instrument used an online questionnaire. The analysis method used is Partial Least Square (PLS) using the SmartPLS software.
The result of this analysis is the acceptance of three of the three hypotheses tested. So that these results indicate the quality of the system has a positive and significant effect on user satisfaction with a path coefficient value of 0.407 and a t-statistic of 4.699, information quality has a positive and significant impact on user satisfaction with a path coefficient value of 0.336 and a t-statistic of 2,782 while service quality has a positive but insignificant effect on user satisfaction with a path coefficient value of 0.206 and a t-statistic of 1.898.
Thus, this study shows that the Academic Information System that has been implemented at Bina Insani University can be said to be successful in providing good benefits to its users.
Keywords: Academic Information Systems, DeLone & McLean, SmartPLS, PLS
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Levrero, F., M. A. Ferrari, A. Pilot, F. Sardanelli, R. C. Parodi, P. Renzetti, E. Simonotto et al. « Risonanza stocastica nel sistema visivo umano ». Rivista di Neuroradiologia 13, no 1 (février 2000) : 119–23. http://dx.doi.org/10.1177/197140090001300122.
Texte intégralRésumé :
La cosiddetta risonanza stocastica (RS) è un fenomeno statistico recentemente studiato in un'ampia gamma di sistemi fisici non lineari. Secondo la RS esisterebbe un livello ottimale di rumore per il quale il contenuto informativo di segnali deboli sotto soglia può essere rilevato. Questo studio analizza le possibilità della RS nel sistema visivo umano in termini di capacità soggettiva di riconoscere parametri in condizioni ottimali di rumore per stabilire le possibilita della fRM nell'obbiettivizzazione dei risultati.
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Mudiono, Demiawan Rachmatta Putro, Sri Hernawati et Saiful Bukhori. « Dampak Kualitas Sistem, Pengguna Sistem dan Organisasi dalam Pemanfaatan Kinerja Sistem Informasi Manajemen Rumah Sakit di RSU Dr. H. Koesnadi Bondowoso ». Multidisciplinary Journal 1, no 1 (19 septembre 2018) : 25. http://dx.doi.org/10.19184/multijournal.v1i1.8594.
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Hospital Information Management System (HIMS) was part of a health information system that provided relevant information resources throughout the organization to supported effective decision made and hospital administration. This studied aims to analyzed the impact of system quality, system users, and organizations in the utilization of HIMS performanced. The type of researched used was the type of explanatory researched. The population in this studied amounted to 258 and 158 samples. Based on the tested results there was the influenced of system quality on system users with t statistics 3,219 (t statistics> t table 1.96). In addition there was no effected of system quality on the organization with t statistics 0.483 and there was no organizational influenced on the user system with t statistics 1.489. Furthermore there was the effected of system users on the utilization of SIMRS performanced with t statistics of 5.838 and there was an organizational influenced on the utilization of HIMS performanced with t statistics 3.589. The results were interrelated between variables so that to realized the utilization of HIMS performanced. <br/>Keywords: System quality, System Users, Organization, Utilization of Abstrak
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Abas, Mohamad Ilyas, et Rizal Lamusu. « PERANCANGAN SISTEM INFORMASI GEOGRAFIS STATISTIK KEPOLISIAN (SIGAP) KABUPATEN GORONTALO ». Jurnal Ilmu Komputer (JUIK) 1, no 2 (31 octobre 2021) : 30. http://dx.doi.org/10.31314/juik.v1i2.1099.
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At this time the need for fast, precise and accurate data must be done easily using adequate information technology. The purpose of this research is to make an innovation about the police, both for police administration, crime data, accident-prone and other police data, both in the form of structured data and statistical forms. This system also provides convenience in visualization using a Geographic Information System (GIS) map that displays geographic information on crime data and accident-prone areas so as to provide data information to the police and the public in particular. The system development method used is research and development. This method is very good in developing the system systematically from start to finish at the maintenance stage. The results of this study, in addition to providing a geographic visual display, also provide convenience in terms of information and police statistics in Gorontalo Regency.
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Milošević, Zoran, Milorad Jerkan, Miodrag Stojanović, Natalija Premović, Sanja Milošević, Aleksandra Ignjatović et Marija Anđelković-Apostolović. « Application of the health information system in the Health Center Niš ». Medicinska rec 1, no 2 (2020) : 23–28. http://dx.doi.org/10.5937/medrec2001023m.
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Medical informatics is the science that studies the creating, transmitting, processing and using information, data and knowledge to solve medical problems. It is medical technology due to participation in the process of formal medical decision-making. The first step in the development of health information systems in Serbia is the adoption of a national "Strategy for the Development of the Information Society in the Republic of Serbia by 2020". The aim of this paper is to consider the advantages of using information technologies in the process of health care provision in health care institutions in comparison to the previous, classical way of collecting, analyzing and interpreting data in the example of primary health care institutions. The methodology is a retrospective study of the presentation of implementation in information technologies on the example of the Health Center Niš for the period from 2004. to 2019. and presentation of the computer equipment status. The implementation of the health information system will enable: better and more efficient access to patient information, faster diagnostics, faster and more reliable selection of medicines, greater patient safety, more time for health care employees, better and more complete health-statistical reporting and faster transfer of biomedical knowledge. The introduction of a health information system will allow the creation of an electronic health record and electronic medical history. In 2011, the Health Center Niš became a user of the medical information system MEDIS.NET, which was realized in the Laboratory for Medical Informatics of the Faculty of Electronic Engineering in Niš. The Adult Health Service and the Child and School Health Services were the first to use electronic records.
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Agustin Ekadjaja, Ricche Khosasi,. « Pengaruh Kualitas Sistem, Kualitas Informasi, Penggunaan Sistem, Dan Kepuasan Pengguna Terhadap Dampak Individual (Studi Empiris Pada Bank Umum Di Jakarta) ». Jurnal Ekonomi 21, no 1 (23 octobre 2018) : 109. http://dx.doi.org/10.24912/je.v21i1.385.
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The implementation of operational system is a necessity for the bank. However, the successful implementation of the system to the end-user of the systems have some little problems related to the end-user performance. The purpose of this research is to analyze and demonstrate empirically the effect of system quality, information quality, system use, and user satisfaction of the individual impact. The sample used by 75 respondents who were in the commercial bank in Jakarta. To answer the research hypothesis with IBM SPSS Statistic (Statistical Package for the Social Sciences) 21.0 software, multiple regression analysis is used in this test, after testing the assumption of classical test first. Based on the research results, it can be concluded that the system quality, information quality, system use, and user satisfaction have an effect to the individual impact. To get a better results, further research is recommended to add other variables to measure the effect of individual impact directly.
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Yudhanto, Yudho, et Andesta Putra. « PERANCANGAN DAN PEMBUATAN SISTEM KOMPETISI SEPAK BOLA BERBASIS WEB ». Indonesian Journal of Applied Informatics 1, no 2 (30 mai 2017) : 23. http://dx.doi.org/10.20961/ijai.v1i2.14330.
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<p>Football is one of the most famous sport in the world. In Indonesia, this sport has become a favored game that people of all ages. However, from the various tournaments that have been held, there are some drawbacks one of which is the lack of statistical data regarding the schedule and complete pertadingan that can be known quickly by football fans, football observers, club officials and players themselves. Therefore, the need for a system to simplify the process of delivering all the information about the competition of football going to the actors of football.</p><p>Implementation of the creation of a system of web-based football competition using PHP and MySQL that can provide information on the match statistics from the competition is complete and can be accessed quickly by the actors of football. </p>
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Ningsih, Prapti, Danang Mintoyuwono et Wianda Bias Intan Sepvie. « KEMAMPUAN TEKNIK PERSONAL SISTEM INFORMASI, UKURAN ORGANISASI, KETERLIBATAN PEMAKAI DALAM SISTEM TERHADAP KINERJA SISTEM INFORMASI AKUNTANSI ». JIAFE (Jurnal Ilmiah Akuntansi Fakultas Ekonomi) 5, no 2 (7 avril 2020) : 175–84. http://dx.doi.org/10.34204/jiafe.v5i2.1498.
Texte intégralRésumé :
This research was conducted to examine the effect of the technical ability of personal information systems, organizational size, user involvement in the system on the performance of accounting information systems. The population in this study includes all employees who use accounting information systems, namely tellers and back offices in conventional banks in the South Jakarta area. The sampling method used in this study is Simple Random Sampling. The final data generated are 48 samples that are ready to be analyzed and tested. The analysis technique used is multiple linear regression and uses the name of the SPPS statistical application with a significance level of 5%. The results of this study indicate that (1) the technical ability of personal information systems has a significant influence on the performance of accounting information systems, (2) the size of the organization has no significant effect on the performance of accounting information systems, (3) user involvement in the system has a significant influence on accounting performance information Systems.
Thèses sur le sujet "Sistemi informativi statistici"
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Sanchi, Martina. « Progettazione di un'applicazione web-oriented per la gestione di un sistema informativo aziendale ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5878/.
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L’azienda committente vuole ampliare la possibilità di accedere al suo database, sia dall’esterno che dall’interno, non solamente da parte di un unico utente amministratore, ma anche da tutti gli agenti distribuiti sul territorio nazionale e tutti gli impiegati degli uffici. Si vuole inoltre creare un sistema di notifiche via email che permetta a tutti gli utenti (agenti) registrati di avere in tempo reale informazioni sempre aggiornate riguardo i propri clienti.
La ditta si chiama Tropical Lane S.p.A. e vuole realizzare questo progetto per rendere maggiormente accessibili le informazioni per i propri agenti, distribuiti nelle varie regioni italiane, direttamente tramite un loro dispositivo mobile, come smartphone o tablet, senza dover necessariamente telefonare continuamente in ditta dove è presente una segretaria che svolge solamente questa mansione. In questo modo si cerca di velocizzare la procedura di accesso ai dati così da liberare una risorsa utile per lo svolgimento di altre funzioni interne.
Si è deciso quindi di creare un sito web, basato su tecnologia Active Server Pages e interfacciato al database aziendale, che sia fruibile dall’esterno della rete aziendale e sul quale vengono mostrati i dati, organizzati in modo da essere facilmente comprensibili e visualizzabili da tutti.
La realizzazione del sito è stata effettuata utilizzando notepad++ sia per le pagine ASP che per le poche pagine di HTML statico presenti. Gli script sono stati realizzati in linguaggio Javascript, compatibile con le specifiche dei browser più diffusi. Il sito è supportato da un unico database realizzato in precedenza con Microsoft SQL ed integrato.
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Marin, Igor. « Kelių automatinio vertimo sistemų integracija ». Master's thesis, Lithuanian Academic Libraries Network (LABT), 2012. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2012~D_20120723_105347-53344.
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Baigiamajame magistro darbe nagrinėjamos automatinės vertimo sistemos, pagrindiniai jų veikimo principai ir šių sistemų integracijos būdai. Detaliai aprašoma populiarių šiuo metu statistinių vertimo sistemų struktūra, pateikiami šių ir tradicinių (taisyklėmis paremtų) sistemų privalumai ir trūkumai. Pristatomos visos šiuo metu egzistuojančios automatinio vertimo sistemos lietuvių ir anglų kalbų porai, išaiškinami jų privalumai ir trūkumai. Lingvistiniu požiūriu nagrinėjamos lietuvių ir anglų kalbos, išvardinami šių kalbų panašumai, skirtumai ir sunkumai, kylantys verčiant iš vienos kalbos į kitą. Taip pat pateikiami įvairūs automatinio vertimo įvertinimo būdai, įskaitant populiarų BLEU įvertinimo metodą. Išvardinamos ir analizuojamos užsienio autorių siūlomos automatinio vertimo sistemų integracijos architektūros. Apžvelgiami sumaišymo tinklai, kurie naudojami kuriant integruotą vertimo sistemą. Pateikiama originali mišriosios vertimo sistemos įgyvendinimo metodika. Integruota sistema yra praktiškai įgyvendinama. Šios sistemos ir kitų vertimo sistemų anglų ir lietuvių kalbų porai rezultatai yra įvertinami ir palyginami. Atlikus teorinę automatinio vertimo sistemų apžvalgą ir praktiškai įgyvendinus mišriąją vertimo sistemą, pateikiamos baigiamojo darbo išvados ir siūlymai.
Darbą sudaro 6 dalys: įvadas, automatinio vertimo sistemų analizė, mišriųjų automatinio vertimo sistemų analizė, mišriosios automatinio vertimo sistemos sukūrimas, išvados, literatūros sąrašas.
Darbo apimtis... [toliau žr. visą tekstą]The Master’s thesis analyses machine translation systems, their principles of operation and the methods used in integrating these systems. The structure of popular statistical machine translation systems, as well as the advantages and disadvantages of such systems is described in detali. The existing machine translation systems for the Lithuanian-English language pair along with their abilities and shortcomings are presented. Lithuanian and English languages are analysed from the linguistic perspective. The similarities and differences between these languages, as well as the difficulties, arising in translating the text from one language to another are discussed. Moreover, different machine translation evaluation methods, including the popular BLEU metric, are reviewed. Various architectures for integrating multiple machine translation systems, offered by foreign authors, are presented and analysed. Confusion networks, which are used in integrating machine translation systems, are discussed. An original method of implementing the hybrid machine translation system is offered. The hybrid system is implemented in practice. The translation results obtained from the created system and the existing systems for the Lithuanian-English language pair are assessed and compared. Finally, after performing the theoretical review of machine translation systems and implementing the hybrid system, conclusions and recommendations are provided. The thesis consists of 6 parts: introduction, the... [to full text]
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Andrėkus, Eduardas. « Portalo duomenų apdorojimo ir analizės sistema ». Master's thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060602_145314-11816.
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Web analysis is important task in web portals development. Web measurement can answer to many questions related to user activity. Web analytics is the study of whether the web site is meeting its diverse goals. Just as important, it is the presentation of the results to the various divisions of the company in a comprehensible format. The core of the web analytical system is built on traditional decision support technologies that are focused specifically on capturing, analyzing and reporting on web visitor data. In this work analyzed methods ant technologies required for web portal analysis system design. This paper compares possible data gathering sources and methods for reports creation. There is offered conceptual design of analysis system using hybrid data collection sources. System realization is used in KTU Computer Cathedral activity.
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Flamigni, Bianca. « Supporto all'Analisi Statistica basata su R in Ambiente Apache Spark ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
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Le ultime tendenze nell’analisi di Big Data indicano il sempre più crescente bisogno di poter effettuare analisi interattiva su questi grandi dataset. Tipicamente si utilizza il linguaggio R per fare analisi avanzata sui dati, ma, a causa di limitazioni di livello tecnico, questo non è in grado di gestire Big Data in modo efficiente. Per tale motivo è stato ideato SparkR, un progetto, basato su Spark, per l’esecuzione distribuita di programmi in R scalabili e adatti a diversi tipi di carichi di lavoro. In questo documento, analizzeremo approfonditamente il progetto SparkR e ne osserveremo le prestazioni, a fronte di diverse applicazioni tipiche dell’analisi di Big Data (algoritmi di clustering e query interattive), in modo da poter identificare possibili limiti o colli di bottiglia e, grazie alla conoscenza acquisita, proporremo delle soluzioni in grado di ottenere buoni miglioramenti prestazionali. Tra queste, un componente che, sfruttando lo storico delle applicazioni lanciate, è capace di configurare in automatico alcune proprietà interne a Spark ed ottenere di conseguenza una riduzione nei tempi di esecuzione degli applicativi in R. Forniremo i risultati che dimostrano come grazie alla nostra proposta sia possibile ottenere un miglioramento del 18% rispetto alla configurazione di default di Spark. Infine, proporremo l’implementazione di un supporto efficiente e ben scalabile ad un algoritmo di clustering gerarchico, Bisecting K-means, e dimostreremo, tramite un’attenta valutazione delle prestazioni, come rappresenti un buon compromesso per garantire l’utilizzo di una tecnica così diffusa, come quella del clustering gerarchico, in un ambiente distribuito, nonostante algoritmi di questo genere siano noti per non essere particolarmente compatibili con un modello di programmazione tale.
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Caroli, Massimo. « Analisi dei comportamenti degli utenti per lo sviluppo di un sistema di App Recommendation ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
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Negli ultimi cinque anni lo sviluppo di applicazioni mobile ha visto un grandissimo incremento dovuto pricipalmente all’esplosione della diffusione di smartphone; questo fenomeno ha reso disponibile agli analisti una enorme quantità di dati sulle abitudini degli utenti.
L’approccio centralizzato nella distribuzione delle applicazioni da parte dei grandi provider quali Apple, Google e Microsoft ha permesso a migliaia di sviluppatori di tutto il mondo di raggiungere con i loro prodotti gli utenti finali e diffondere l’utilizzo di applicativi installabili; le app infatti sono diventate in poco tempo fondamentali nella vita di tutti i giorni e in alcuni casi hanno sostituito funzioni primarie del telefono cellulare.
Obiettivo principale di questo studio sarà inferire pattern comportamentali dall’analisi di una grossa mole di dati riguardanti l’utilizzo dello smartphone e delle app installabili da parte di un gruppo di utenti.
Ipotizzando di avere a disposizione tutte le azioni che un determinato bacino di utenza effettua nella selezione delle applicazioni di loro interesse quando accedono al marketplace (luogo digitale da cui è possibile scaricare nuove applicazioni ed installarle) è possibile stimare, ovviamente con un certo margine di errore, dati sensibili dell’utente quali: Sesso, Età, Interessi e così via analizzandoli in relazione ad un modello costruito su dati di un campione di utenti ben noto.
Costruiremo così un modello utilizzando dati di utenti ben noti di cui conosciamo i dettagli sensibili e poi, tramite avanzate tecniche di regressione e classificazione saremo in grado di definire se esiste o meno una correlazione tra le azioni effettuate su uno Smartphone e il profilo dell’utente. La seconda parte della tesi sarà incentrata sull'analisi di sistemi di raccomandazioni attualmente operativi e ci concentreremo sullo studio di possibili sviluppi sviluppi futuri di questi sistemi partendo dai risultati sperimentali ottenuti.
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PISTACCHIO, Giuseppe. « Il Sistema Informativo Geografico della popolazione studentesca per la gestione dei flussi e il miglioramento dell'offerta formativa dell'Ateneo molisano ». Doctoral thesis, Università degli studi del Molise, 2018. http://hdl.handle.net/11695/85840.
Texte intégralRésumé :
Geographical Information Systems (GIS) represent today a key tool for the analysis of the territorial
context, allowing its visualization and, at the same time, the updating of information with statisticalterritorial
content, whose knowledge is essential for an effective understanding and planning of the
spatial organization of individuals’ activities.
The present work, a thorough study of the student population of the University of Molise in the years
2010-2017, in fact presents the opportunity to test the potential offered by the use of such an
innovative approach to geo-territorial analysis. It has been implemented with a methodology of
analysis allowing to combine the territorial, cartographic, and locational aspects of the investigated
phenomenon, with statistical contents, represented by the set of different sources of socio-economic
spatial data linked to it.
The research carried out therefore aims to provide a knowledge of the “footprint” of the University
of Molise through the use of different geographical approaches. The analysis of the Miur data
contributed to define the migratory flows of the Molise students to the different university locations
and the chosen degree programs. The study of the geographical origins of students enrolled at the
University of Molise has then allowed to understand the degree of attractiveness of the various degree
programs offered by the University. Finally, the attention was paid to the flow of students from the
various “educational clusters,” that is the sets of local institutes where they obtained their high school
degree, representing a different territorial footprint from which the University of Molise draws its
students.
This allowed us also to confirm that, among the current information support technologies, GIS is the
best performing tool for decision support activities.I sistemi informativi geografici, meglio noti con l’acronimo GIS (Geographic Information System), rappresentano oggi uno strumento di analisi del contesto territoriale in grado di rappresentare e, al contempo, aggiornare le informazioni a contenuto statistico-territoriale, la cui conoscenza è basilare per una efficace comprensione e, conseguentemente, progettazione dell’organizzazione spaziale delle attività degli individui. Il presente lavoro, un approfondito studio della popolazione studentesca dell’Università degli Studi del Molise nel periodo 2010-2017, presenta infatti l’opportunità di dimostrare le potenzialità che il ricorso a tale approccio innovativo di analisi geo-territoriale offre. Esso è stato implementato su una metodologia di analisi in grado di coniugare l’aspetto prettamente territoriale, cartografico e localizzativo del fenomeno indagato con aspetti a contenuto statistico, rappresentati dall’insieme delle diverse fonti di dati spaziali socio-economici ad esso riconducibili. Ciò consente, dunque, di affermare che, tra le attuali tecnologie a supporto dell’informazione, i GIS rappresentano lo strumento più performante per l’attività di supporto alle decisioni. La ricerca condotta ha dunque l’obiettivo di fornire una conoscenza del bacino di utenza dell’Ateneo molisano attraverso l’impiego di approcci geografici diversi. L’analisi dei dati Miur ha contribuito a definire i flussi migratori degli studenti molisani verso le diverse sedi universitarie e i corsi di studi scelti. Lo studio delle provenienze geografiche degli immatricolati all’Ateneo molisano ha consentito invece di comprendere il grado di attrattività dei corsi di studio proposti dall’Ateneo. Infine l’attenzione è stata rivolta a flussi di studenti provenienti dai diversi poli scolastici che rappresentano gli ambiti territoriali da cui l’Università del Molise attinge studenti.
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Carvalho, Arthur Alves Borges de. « Estudo sobre os registros do serviço de verificação de óbitos no sistema de informação de mortalidade para o estado do Tocantins, 2010-2012 ». Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/17/17143/tde-06062017-155652/.
Texte intégralRésumé :
O Serviço de Verificação de Óbitos (SVO) foi criado para elucidar causas de óbitos naturais mal definidas por meio de exames necroscópicos e registrar informações mais completas sobre as causas de morte no Sistema de Informação de Mortalidade (SIM). Desde a criação da rede nacional de SVO, poucos estudos avaliaram a qualidade dos registros de óbitos dos SVO no SIM. Foram estudados 19780 registros de óbitos não fetais de residentes no Estado do Tocantins entre os anos de 2012, 2011 e 2012, obtidos por download do site do DATASUS do Ministério da Saúde. Além de estabelecer o perfil social demográfico dos óbitos, foram estudadas a completude das informações, as cinco principais causas de morte e as causas básicas registradas pelo SVO e demais atestantes dentro do SIM. Óbitos do sexo masculino, cor parda, casados, sem escolaridade, hospitalares de aposentados e maiores de 75 anos predominaram. A incompletude de dados registrados no SIM para o Estado do Tocantins foi superior a 10% e não houve diferença estatística significativa entre a completude de dados registrados pelo SVO e pelos demais atestantes. As doenças do aparelho circulatório foram as principais causas de morte registradas pelos atestantes, exceto pelo IML, onde as causas externas predominaram. 15% dos registros de causas básicas externas não pertenciam ao IML e o SVO apresentou uma grande proporção de registros de causas básicas mal definidas. A qualificação das informações sobre mortalidade, imprescindível à elaboração de políticas públicas sanitárias, persiste desafiadora no Estado do Tocantins. A criação de uma cultura da informação epidemiológica passa pela inserção curricular, educação e sensibilização médica continuada.The Death Verification Service (SVO) was created to elucidate causes of natural deaths poorly defined by postmortem examinations and record more complete information on the causes of death in the Mortality Information System (SIM). Since the establishment of the national network of SVO, few studies have evaluated the quality of death records of SVO SIM. We studied 19780 no fetal death records of residents in the State of Tocantins between the years 2012, 2011 and 2012, downloaded the DATASUS website of the Ministry of Health. In addition to establishing the demographic social profile of the deaths were studied completeness information, the five leading causes of death and root causes recorded by the SVO and other informers within the SIM. Deaths male, mulatto, married, uneducated, retired hospital and over 75 years predominated. The incompleteness of data in SIM for the State of Tocantins was higher than 10% and there was no statistically significant difference between the completeness of data recorded by the SVO and the other informers. The circulatory diseases were the main causes of death recorded by informers except for IML, where external causes predominated. 15% of the records of external root causes did not belong to the IML and the SVO had a large proportion of ill-defined basic causes records. The qualification of information on mortality, essential to the development of health policies, remains defiant in the State of Tocantins. Creating a culture of epidemiological information passes through curriculum integration, education and continuing medical awareness.
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Montecchio, Nicola. « Alignment and Identification of Multimedia Data : Application to Music and Gesture Processing ». Doctoral thesis, Università degli studi di Padova, 2012. http://hdl.handle.net/11577/3422091.
Texte intégralRésumé :
The overwhelming availability of large multimedia collections poses increasingly challenging research problems regarding the organization of, and access to data. A general consensus has been reached in the Information Retrieval community, asserting the need for tools that move past metadata-based techniques and exploit directly the information contained in the media. At the same time, interaction with content has evolved beyond the traditional passive enjoyment paradigm, bringing forth the demand for advanced control and manipulation options.
The aim of this thesis is to investigate techniques for multimedia data alignment and identification. In particular, music audio streams and gesture-capture time series are considered. Special attention is given to the efficiency of the proposed approaches, namely the realtime applicability of alignment algorithms and the scalability of identification strategies.
The concept of alignment refers to the identification and matching of corresponding substructures in related entities. The focus of this thesis is directed towards alignment of sequences with respect to a single dimension, aiming at the identification and matching of significant events in related time series.
The alignment of audio recordings of music to their symbolic representations serves as a starting point to explore different methodologies based on statistical models. A unified model for the real time alignment of music audio streams to both symbolic scores and audio references is proposed. Its advantages are twofold: unlike most state-of-the-art systems, tempo is an explicit parameter within the stochastic framework; moreover, both alignment problems can be formulated within a common framework by exploiting a continuous representation of the reference content. A novel application of audio alignment techniques was found in the domain of studio recording productions, reducing the human effort spent in manual repetitive tasks.
Gesture alignment is closely related to the domain of music alignment, as the artistic aims and engineering solutions of both areas largely overlap. Expressivity in gesture performance can be characterized by both the choice of a particular gesture and the way the gesture is executed. The former aspect involves a gesture recognition task, while the latter is addressed considering the time-evolution of features and the way these differ from pre-recorded templates. A model, closely related to the mentioned music alignment strategy, is proposed, capable of simultaneously recognizing a gesture among many templates and aligning it against the correct reference in realtime, while jointly estimating signal feature such as rotation, scaling, velocity.
Due to the increasingly large volume of music collections, the organization of media items according to their perceptual characteristics has become of fundamental importance. In particular, content-based identification technologies provide the tools to retrieve and organize music documents. Music identification techniques should ideally be able to identify a recording -- by comparing it against a set of known recordings -- independently from the particular performance, even in case of significantly different arrangements and interpretations.
Even though alignment techniques play a central role in many works of the music identification literature, the proposed methodology addresses the task using techniques that are usually associated to textual IR. Similarity computation is based on hashing, attempting at creating collisions between vectors that are close in the feature space. The resulting compactness of the representation of audio content allows index-based retrieval strategies to be exploited for maximizing computational efficiency.
A particular application is considered, regarding Cultural Heritage preservation institutions. A methodology is proposed to automatically identify recordings in collections of digitized tapes and vinyl discs. This scenario differs significantly from that of a typical identification task, as a query most often contains more than one relevant result (distinct music work). The audio alignment methodology mentioned above is finally exploited to carry out a precise segmentation of recordings into their individual tracks.La crescente disponibilità di grandi collezioni multimediali porta all'attenzione problemi di ricerca sempre più complessi in materia di organizzazione e accesso ai dati. Nell'ambito della comunità dell'Information Retrieval è stato raggiunto un consenso generale nel ritenere indispensabili nuovi strumenti di reperimento in grado di superare i limiti delle metodologie basate su meta-dati, sfruttando direttamente l'informazione che risiede nel contenuto multimediale. Lo scopo di questa tesi è lo sviluppo di tecniche per l'allineamento e l'identificazione di contenuti multimediali; la trattazione si focalizza su flussi audio musicali e sequenze numeriche registrate tramite dispositivi di cattura del movimento. Una speciale attenzione è dedicata all'efficienza degli approcci proposti, in particolare per quanto riguarda l'applicabilità in tempo reale degli algoritmi di allineamento e la scalabilità delle metodologie di identificazione. L'allineamento di entità comparabili si riferisce al processo di aggiustamento di caratteristiche strutturali allo scopo di permettere una comparazione diretta tra elementi costitutivi corrispondenti. Questa tesi si concentra sull'allineamento di sequenze rispettivamente ad una sola dimensione, con l'obiettivo di identificare e confrontare eventi significativi in sequenze temporali collegate. L'allineamento di registrazioni musicali alla loro rappresentazione simbolica è il punto di partenza adottato per esplorare differenti metodologie basate su modelli statistici. Si propone un modello unificato per l'allineamento in tempo reale di flussi musicali a partiture simboliche e registrazioni audio. I principali vantaggi sono collegati alla trattazione esplicita del tempo (velocità di esecuzione musicale) nell'architettura del modello statistico; inoltre, ambedue i problemi di allineamento sono formulati sfruttando una rappresentazione continua della dimensione temporale. Un'innovativa applicazione delle tecnologie di allineamento audio è proposta nel contesto della produzione di registrazioni musicali, dove l'intervento umano in attività ripetitive è drasticamente ridotto. L'allineamento di movimenti gestuali è strettamente correlato al contesto dell'allineamento musicale, in quanto gli obiettivi artistici e le soluzioni ingegneristiche delle due aree sono largamente coincidenti. L'espressività di un'esecuzione gestuale è caratterizzata simultaneamente dalla scelta del particolare gesto e dal modo di eseguirlo. Il primo aspetto è collegato ad un problema di riconoscimento, mentre il secondo è affrontato considerando l'evoluzione temporale delle caratteristiche del segnale ed il modo in cui queste differiscono da template pre-registrati. Si propone un modello, strettamente legato alla controparte musicale sopra citata, capace di riconoscere un gesto in tempo reale tra una libreria di templates, simultaneamente allineandolo mentre caratteristiche del segnale come rotazione, dimensionamento e velocità sono congiuntamente stimate. Il drastico incremento delle dimensioni delle collezioni musicali ha portato all'attenzione il problema dell'organizzazione di contenuti multimediali secondo caratteristiche percettive. In particolare, le tecnologie di identificazione basate sul contenuto forniscono strumenti appropriati per reperire e organizzare documenti musicali. Queste tecnologie dovrebbero idealmente essere in grado di identificare una registrazione -- attraverso il confronto con un insieme di registrazioni conosciute -- indipendentemente dalla particolare esecuzione, anche in caso di arrangiamenti o interpretazioni significativamente differenti. Sebbene le tecniche di allineamento assumano un ruolo centrale in letteratura, la metodologia proposta sfrutta strategie solitamente associate al reperimento di informazione testuale. Il calcolo della similarità musicale è basato su tecniche di hashing per creare collisioni fra vettori prossimi nello spazio. La compattezza della risultante rappresentazione del contenuto acustico permette l'utilizzo di tecniche di reperimento basate su indicizzazione, allo scopo di massimizzare l'efficienza computazionale. Un'applicazione in particolare è considerata nell'ambito della preservazione dei Beni Culturali, per l'identificazione automatica di collezioni di nastri e dischi in vinile digitalizzati. In questo contesto un supporto generalmente contiene più di un'opera rilevante. La metodologia di allineamento audio citata sopra è infine utilizzata per segmentare registrazioni in tracce individuali.
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Santos, Luciano dos. « Análise dos acidentes de trânsito do Município de São Carlos utilizando o Sistema de Informação Geográfica - SIG e ferramentas de estatística espacial ». Universidade Federal de São Carlos, 2006. https://repositorio.ufscar.br/handle/ufscar/4216.
Texte intégralRésumé :
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The traffic accidents have reached high records, registering a great amount of wounded and material damages. One of the largest concerns of the responsible organs for the planning of the traffic and transport is to find solutions that can come to reduce the numbers of traffic accidents. In this context, this work had as main objective to accomplish a spatial analysis of the accidents of traffic on the municipal district of São Carlos - SP, using a of Geographic Information System (GIS) associated to tools of Spatial Statistics, with the intention of identifying the points and areas of larger occurrence of accidents, as well as the spatial tendencies of growth. The work has been developed in two stages: a) determination of punctual patterns; and b) determination of critical zones. For the accomplishment of this work was necessary to make a geographic reference of the traffic accidents, happened between 2001 and 2003. The Spatial Statistics tools used in this work were the Index of Moran, Average Space Piece of furniture, among others; they were used for the accomplishment of groupings of traffic accidents, determination of the critical zones of accidents and the tendencies of displacement of the accidents. The work showed that the traffic accidents happen in all the mesh of urban way, with a larger incidence of accidents with material damages in the central areas of the city and accidents with victims in the outlying areas. It was possible to observe that a displacement of the accidents of traffic exists for almost all the areas of the São Carlos city, it being a spatial phenomenon of difficult treatment. The largest difficulty founded for the accomplishment of this work were linked to the analysis of the consistence of the information, it mean that the analyses of the traffic accidents will be each time more satisfactory, if we pay a larger attention in the collection process and storage of those information.
Os acidentes de trânsito têm assumido números elevados, registrando uma grande quantidade de feridos e danos materiais. Uma das maiores preocupações dos órgãos responsáveis pelo planejamento do trânsito e transporte é encontrar soluções que possam vir a reduzir os números de acidentes de trânsito. Neste contexto, esse trabalho teve como principal objetivo o de realizar uma análise espacial dos acidentes de trânsito do município de São Carlos - SP, fazendo-se uso de Sistemas de Informações Geográficas SIG, associados a ferramentas de Estatística Espacial, com a intenção de identificar os pontos e áreas de maior ocorrência de acidentes, bem como as tendências espaciais de crescimento. O trabalho divide-se em duas etapas: a)identificação de padrões pontuais; e b)identificação de zonas críticas. Para a realização deste trabalho foi necessário efetuar o georreferenciamento dos acidentes de trânsito, ocorridos entre 2001 e 2003. As ferramentas de Estatística Espacial utilizadas, tais como Índice de Moran, Média Espacial Móvel, dentre outras, serviram para a realização de agrupamentos de acidentes de trânsito, identificação das zonas críticas de acidentes e identificação de tendências de deslocamento dos acidentes. A pesquisa mostrou que os acidentes de trânsito ocorrem por toda malha viária, de maneira geral, com uma maior incidência de acidentes com danos materiais nas áreas centrais da cidade e acidentes com vítimas mais nas regiões periféricas. Foi possível observar que existe um deslocamento dos acidentes de trânsito para quase todas as regiões da cidade de São Carlos, tornando um fenômeno espacial de difícil tratamento. As maiores dificuldades encontradas para a realização deste trabalho estão ligadas à análise da consistência das informações. Concluiu-se que, para que as análises dos acidentes de trânsito obtenham resultados cada vez mais satisfatórios, é necessária uma maior atenção no processo de coleta e armazenamento dessas informações, tornando-as cada vez melhores.
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Vedovato, Maria Aparecida 1953. « A mortalidade infantil e a relação com o espaço geografico na Cidade de Rio Claro, SP, BR ». [s.n.], 2009. http://repositorio.unicamp.br/jspui/handle/REPOSIP/311817.
Texte intégralRésumé :
Orientadores: Roberto Wagner Lourenço, Maria Rita Donalisio CordeiroDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
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Resumo: A mortalidade infantil em populações urbanas é de grande importância para as políticas de saúde pública. Foi realizado um estudo ecológico exploratório com dados espaciais com o objetivo de contribuir para o entendimento das causas contextuais da mortalidade infantil, tendo em vista a distribuição territorial dos eventos. Neste trabalho são apresentados os resultados obtidos das análises estatística e espacial realizadas por meio de técnicas de geoprocessamento da mortalidade neonatal, mortalidade de crianças com até um ano de idade e de natimortos entre o período de 2000 a 2007, bem como da construção de seus coeficientes por áreas de abrangência em unidades de atendimento da saúde na área urbana do município de Rio Claro, SP, Brasil. Foram identificadas durante o período estudado as tendências do comportamento espaçotemporal da distribuição da mortalidade infantil e da natimortalidade no cenário urbano que neste trabalho se mostraram distribuídos irregularmente pela área de estudo com grande oscilação nos dados e que apesar de apresentar correlação positiva com as variáveis sócio-ambientais, estas foram pouco significativas. A correlação mais significativa observada foi entre o coeficiente de natimortalidade e o índice de qualidade sócio ambiental que registrou maior valor de correlação estatística linear de Pearson (r=0.2733), mostrando ser uma variável de influencia significativa na MI. Espera-se que com os resultados obtidos o estudo possa auxiliar no entendimento de determinantes de agravos à saúde e ajudar na implementação de programas de gestão e planejamento de diversos setores administrativos em áreas urbanas, inclusive o setor de saúde
Abstract: The child mortality in urban populations is of great importance for the policies of public health. An exploratory and ecological study using spatial data was carried out aiming to contribute for the understanding of the contextual causes of child mortality considering the territorial distribution of the events. This paper presents the results obtained in the spatial and statistical analysis carried out through geoprocessing techniques considering neonatal mortality, mortality of children up to one year old and stillbirths between 2000 and 2007 as well as the construction of coefficients considering the areas serviced by health centers in the urban area of Rio Claro, São Paulo state, Brazil. During the studied period spatial and temporal tendencies of the distribution of child mortality and stillbirths could be identified in the urban setting and were irregularly spread over the studied area with large oscillation in the data and, although they showed a positive correlation with the social and environmental variables this correlation was little significant. The most significant correlation was between the stillbirths between coefficient and the social environmental quality index which showed the higher Pearson statistical correlation linear value (r=0.2733) turning out to be influential in CM. It is expected that the study can help in the understanding of health hazards determiners and in the implementation of administrative programs of several sectors in the urban areas, including the health sector
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Livres sur le sujet "Sistemi informativi statistici"
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Alagoas (Brazil). Fundação de Saúde e Serviço Social. Coordenação de Estatística e Informação. Sistema de Informação de Saúde--SIS. Maceió : CEIN, 1985.
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Ana Ma Amo y Suárez. Sistema mexicano de información y documentación sobre educación : Diagnóstico y diseño. [Aguascalientes] : PIIES, 1996.
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Gosudarstvennai͡a biblioteka SSSR im. V.I. Lenina. Otdel teorii i metodiki organizat͡sii bibliotechnoĭ seti. Normativnye materialy po trudu dli͡a t͡sentralizovannykh bibliotechnykh sistem. Moskva : Gos. biblioteka SSSR im. V.I. Lenina, 1989.
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Nauchno-tekhnicheskiĭ seminar "Statisticheskiĭ sintez i analiz informat͡sionnykh sistem" sekt͡sii "Teorii͡a informat͡sii" (13th 1994 ? Ri͡azanʹ, Russia?). Materialy XIII nauchno-tekhnicheskogo seminara "Statisticheskiĭ sintez i analiz informat͡sionnykh sistem". Ri͡azanʹ : Ri͡azanskai͡a gos. radiotekhn. akademii͡a, 1994.
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Vladmirovich, Gusev Aleksandr, Romanov Fedor Anatolʹevich, Dudanov Ivan Petrovich et Voronin Anatoliĭ Viktorovich, dir. Medit︠s︡inskie informat︠s︡ionnye sistemy. Petrozavodsk : Petrozavodskiĭ gos. universitet, 2005.
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V, Tvarijonavičienė, Gaižauskienė A, Lithuania Sveikatos apsaugos ministerija et Lietuvos Sveikatos informacijos centras, dir. Sveikatos informacijos sistema : Naujas požiūris ir naudojimas : metodinės rekomendacijos. Vilnius : Lietuvos Sveikato apsaugos ministerija, Lietuvos Sveikatos informacijos centras, 1996.
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Velásquez, José Luis Vicente. Sistema de información geográfica para el manejo de información de accidentes en carreteras federales : Caso, Estado de Oaxaca. Sanfandila, Qro. [Mexico] : Instituto Mexicano del Transporte, Secretaría de Comunicaciones y Transportes, 2001.
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N, Bubekina, dir. Bibliotechnye resursy Rossii v 1996-2006 gg. : Analiz statisticheskikh dannykh po bibliotekam sistemy Ministerstva kulʹtury RF : informat︠s︡ionno-analiticheskiĭ obzor. Moskva : Pashkov dom, 2009.
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N, Bubekina, dir. Bibliotechnye resursy Rossii v 1996-2006 gg. : Analiz statisticheskikh dannykh po bibliotekam sistemy Ministerstva kulʹtury RF : informat︠s︡ionno-analiticheskiĭ obzor. Moskva : Pashkov dom, 2009.
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(Society), Synergia, dir. Dinamiche del welfare pugliese : Implementazione del sistema informativo regionale : i risultati su sei reti di servizi alle persone. Milano, Italy : FrancoAngeli, 2010.
Trouver le texte intégralActes de conférences sur le sujet "Sistemi informativi statistici"
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Díaz Alarcón, Ismael, et Gilda Vargas MacCarte. « Geoestadística y los Sistemas de Información Geográfica ». Dans International Conference Virtual City and Territory. Concepción : Centre de Política de Sòl i Valoracions, 2005. http://dx.doi.org/10.5821/ctv.7402.
Texte intégralRésumé :
They are very diverse the occasions in which the use of the Systems of Geographical Information
for to represent variables distributed spatially. Indeed new technologies facilitated
graphic representations to carry out achieving results aesthetically notables. However,
the most important thing is frequently neglected: the application of a best method to determine
the values in those place where has not been carried out a direct measure of the
variable or attribute. This work presents “geo-statistic” like a methodology to analyze correctly
information coming from space samplings.
2
Barbado Júnior, Márcio. « Efficient Gaussian sampling for RLWE-based cryptography through a fast Fourier transform ». Dans Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação - SBC, 2022. http://dx.doi.org/10.5753/sbseg.2022.224430.
Texte intégralRésumé :
Quantum computing threatens classical cryptography, leading to the search for stronger alternatives. The cryptographic approach based on lattices is considered as a viable option. Schemes with that approach use Gaussian sampling, a design which brings along two concerns: efficiency and information leakage. This work adresses those concerns in the RLWE formulation, for digital signatures. Efficiency mitigation uses the central limit theorem, and the Walsh–Hadamard transform, whereas the information leakage risk is reduced via isochronous implementation. Up to 223 samples are queried, and the results are compared against those of a cumulative distribution table sampler. Statistical metrics show the suitability of the presented sampler in a number of contexts.
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Romero, Hugo, Cristian Henríquez, Gerardo Azócar, Aléxis Vásquez, Naircylene do Souza, Sebastían Riveros et Andrés Morán. « Sistemas de Información Geográfica para el Desarrollo Sustentable de las ciudades chilenas ». Dans International Conference Virtual City and Territory. Concepción : Centre de Política de Sòl i Valoracions, 2005. http://dx.doi.org/10.5821/ctv.7361.
Texte intégralRésumé :
The process of urban sprawl of Chilean metropolis and médium-size cities have been
analyzed using models and statistical tools provided by Geographical Information
Systems, like multiple regression and logistic analyses, Markov Chains and Celular
Automats. Environmental impacts of urbanization, such as urban heat, biomass and soil
moisture islands have been measured integrating air photographs, satellite images and
digital cartography. As a consequence, important observed levels of environmental
degradation and social segregation are urgently requiring environmental planning and
management for sustainable development of large and intermediate cities.
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Sousa, Daniel Alves de, Elaine Ribeiro de Faria et Rodrigo Sanches Miani. « Evaluating the Performance of Twitter-based Exploit Detectors ». Dans Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação - SBC, 2020. http://dx.doi.org/10.5753/sbseg.2020.19257.
Texte intégralRésumé :
Patch prioritization is a crucial aspect of information systems security, and knowledge of which vulnerabilities were exploited in the wild is a powerful tool to help systems administrators accomplish this task. The analysis of social media for this specific application can enhance the results and bring more agility by collecting data from online discussions and applying machine learning techniques to detect real-world exploits. In this paper, we use a technique that combines Twitter data with public database information to classify vulnerabilities as exploited or not-exploited. We analyze the behavior of different classifying algorithms, investigate the influence of different antivirus data as ground truth, and experiment with various time window sizes. Our findings suggest that using a Light Gradient Boosting Machine (LightGBM) can benefit the results, and for most cases, the statistics related to a tweet and the users who tweeted are more meaningful than the text tweeted. We also demonstrate the importance of using ground-truth data from security companies not mentioned in previous works.
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De A. S. M., Juliana, et Márjory Da Costa-Abreu. « An evaluation of a three-modal hand-based database to forensic-based gender recognition ». Dans Simpósio Brasileiro de Segurança da Informação e de Sistemas Computacionais. Sociedade Brasileira de Computação, 2019. http://dx.doi.org/10.5753/sbseg.2019.13989.
Texte intégralRésumé :
In recent years, behavioural soft-biometrics have been widely used to improve biometric systems performance. Information like gender, age and ethnicity can be obtained from more than one behavioural modality. In this paper, we propose a multimodal hand-based behavioural database for gender recognition. Thus, our goal in this paper is to evaluate the performance of the multimodal database. For this, the experiment was realised with 76 users and was collected keyboard dynamics, touchscreen dynamics and handwritten signature data. Our approach consists of compare two-modal and one-modal modalities of the biometric data with the multimodal database. Traditional and new classifiers were used and the statistical Kruskal-Wallis to analyse the accuracy of the databases. The results showed that the multimodal database outperforms the other databases.
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Vieira, Rafael G., Marcos A. Leone Filho et Robinson Semolini. « An Enhanced Seasonal-Hybrid ESD Technique for Robust Anomaly Detection on Time Series ». Dans Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação - SBC, 2018. http://dx.doi.org/10.5753/sbrc.2018.2422.
Texte intégralRésumé :
Nowadays, time series data underlies countless research activities. Despite the wide range of techniques to capture and process all this information, issues such as analyzing large amounts of data and detecting unusual behaviors on them still pose a great challenge. In this context, this paper suggests SHESD+, a statistical technique that combines the Extreme Studentized Deviate (ESD) test and a decomposition procedure based on Loess to detect anomalies on time series data. The proposed technique employs robust metrics to identify anomalies in a more proper and accurate manner, even in the presence of trend and seasonal spikes. Simulation studies are carried out to evaluate the effectiveness of the SH-ESD+ using the published Numenta Anomaly Benchmark (NAB) collection. Computational results show that the SH-ESD+ performs consistently when compared against state-of-the-art and classic detection techniques.
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Lazarević, Zlatko. « Sistem cevne zračne pošte UKCL, MF.ZTM, OI pridobitev dragocenega časa pri upravljanju delovnega procesa, ki zelo vpliva na kakovost obravnave bolnika in ima pomembno vlogo pri varnosti zaposlenih in bolnikov (COVID epidemija) ». Dans Values, Competencies and Changes in Organizations. University of Maribor Press, 2021. http://dx.doi.org/10.18690/978-961-286-442-2.37.
Texte intégralRésumé :
In the health sector, one of the biggest questions of modern time is the way of cutting cost while maintaining the same quality of service. Abroad, the use of pipe mail for the purpose of solving internal logistics and with that providing quality and adequacy of products and direct cut of costs related with the work force, is already widely present in hospitals. Transport with the use of pipe mail enables fast, safe and foremost economic content transfer. Hospitals abroad use the pipe mail mostly for: - transport of samples (swabs, blood, tissues) to laboratories, - transport of blood for the surgeries in operation rooms from the central blood bank, - transport of medicine from central pharmacy for surgeries in operation rooms or the need of different departments, - transport of documentation between departments and laboratories, - transport of lab test results to the department that ordered for that test. Pipe mail enables centralization – existence of one central laboratory, who takes care of all the necessary analysis, which directly means: - savings in space, - direct saving in the cost of pay due to the lowering number of employees or their redeployment, - higher efficiency (individual documentation processing, which directly means higher productivity based on the reduction of wasted time and waiting for documentation), - information renewal of processes, - reliability, timeliness and order, most importantly from the point of view of the patient, who will save unnecessary waiting time, from which most psychologically related issues arise, - the system is computer controlled and statistics are available to the system administrator at any time, - - Pipeline airmail has a significant impact on the safety of both employees and patients during an epidemic.
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Morillo Balsera, M. Carmen, Iñigo Molina Sánchez, César García Aranda, César García Aranda, César García Aranda et Sandra Martínez Cuevas. « Las técnicas de Minería de datos, Imágenes 3D, Sistemas de Información Geográfica y Estadística espacial aplicadas a la Innovación Educativa - [Techniques of Data Mining, 3D Images, Geographic Information Systems and Spatial Statistics applied to Educational Innovation] ». Dans IV Congreso Internacional Sobre Aprendizaje, Innovación y Competitividad. Zaragoza : Servicio de Publicaciones Universidad, 2017. http://dx.doi.org/10.26754/cinaic.2017.000001_052.
Texte intégral
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Cedeño Zambrano, Héctor, Ma Isabel López Meza et Héctor Gaete Feres. « Evaluación de la expansión urbana en asentamientos indígenas de la costa central del Pacífico de Latinoamérica : caso de la Comuna de Montañita, Ecuador : período 1940 -2010. » Dans International Conference Virtual City and Territory. Roma : Centre de Política de Sòl i Valoracions, 2014. http://dx.doi.org/10.5821/ctv.7922.
Texte intégralRésumé :
El objeto de esta contribución, es demostrar el proceso de crecimiento de un asentamiento
indígena ubicado en la Comuna Montañita, Ecuador, en la costa central del Pacífico de
Latinoamérica. El estudio establece periodos de análisis desde 1940 hasta 2010, donde se
estudian los factores que han provocado la transformación de un caserío de campesinos
indígenas a un pueblo que tiene una eventual estructura urbana originada en las actividades
económicas del turismo.
La metodología aplicada, para evaluar, se basa en el uso de Sistemas de Información
Geográfica; donde se incluyó una base de datos, con insumos obtenidos de información
relevante de la revisión de archivos históricos, documentales, legales, referenciales,
estadísticos, imágenes satelitales y aerofotogramétricas; junto con una importante aportación
por parte de un estudio de campo, para la observación del fenómeno urbano, que incluyó
registro fotográfico, entrevistas y talleres grupales con la participación de los actores que
intervienen en territorio indígena.
Una vez, organizada y clasificada la información, se utilizó el insumo tecnológico Arcgis 9.3
ESRI, para evaluar y posterior diagnóstico; que ayuda a entender como la sociedad indígena
administra su territorio con autonomía y donde se facilita la presencia de actores externos que
generan inversiones en servicios turísticos; así como la Inversión del Gobierno Estatal en
asuntos de equipamiento urbano e infraestructura básica. Pero, donde también se observó una
confrontación con actores del sector inmobiliario y agrícola que han intervenido en forma ilegal
en el territorio. El aporte de este trabajo es generar una herramienta que permite evaluar el
crecimiento de cualquier asentamiento indígena con similares características The purpose of this contribution is to demonstrate the growth process of an indigenous
settlement located in the Commune Montañita, Ecuador, on the central Pacific coast of Latin
America . The study provides analysis periods from 1940-2010; where we study the factors that
have led to the transformation of an indigenous village to a town that has a urban structure
originated in the economic activities of tourism.The methodology to evaluate, is based on the use of Geographic Information Systems, which
included a database with information inputs from historical reports, legal information, reference,
statistics, satellite images and aero photogrammetric. Along with a contribution from a field
study to observe the urban phenomenon that included photographic records, interviews and
group workshops with the participation of the actors involved in indigenous territory.
Once organized and classified information was used the technological input ESRI Arcgis 9.3 to
evaluate and diagnosis. That helped to understand how the society manages its territory, the
indigenous autonomy and the reasons that facilitated the presence of external actors generate
investments tourist services; as well as the State Government investment in urban
infrastructure issues and basic infrastructure. Without neglecting the people confrontations with
real estate agents and agricultural producers have remained illegal interventions in their
territory.
The contribution of this work is create a tool to assess the growth of any indigenous settlement
with similar characteristics.