Dissertations / Theses on the topic 'BG. Information dissemination and diffusion'
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Jacobs, Neil. "Scholarly Communication, the Information Chain and Technology: Analyses and Reflexions." Thesis, Loughborough University, 2001. http://eprints.rclis.org/6802/1/thesis.pdf.
Full textCubells, Puertes María José. "La classificació de la documentació parlamentària de Les Corts Valencianes: la funció de control al Consell." Thesis, Universitat de València, 2008. http://eprints.rclis.org/14243/1/1_tesi.pdf.
Full textPampel, Heinz. "Universitätsverlage im Spannungsfeld zwischen Wissenschaft und Literaturversorgung. Eine kritische Bestandsaufnahme." Thesis, Fachhochschulverlag Frankfurt am Main. Zugl.: Hochschule der Medien, Stuttgart, Diplomarbeit, 2006, 2007. http://eprints.rclis.org/9590/1/pampel.pdf.
Full textCosta, Sely Maria de Souza. "The impact of computer usage on scholarly communication amongst academic social scientists." Thesis, reponame:Repositório Institucional da UnB, 1999. http://eprints.rclis.org/11724/1/tese_sely_completa.pdf.
Full textGuallar, Javier. "Las hemerotecas de la prensa digital. Análisis de diarios españoles." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/96817.
Full textThis study presents a system for the analysis and evaluation of digital press archives, analyses the digital press archives of a sample of Spanish newspapers and presents a proposal to classify and analyze the main sources that provide access to online press. The system is a kind of heuristic evaluation procedure based on 27 indicators articulated in four main sections: general features, contents, the query system, and presentation of results. For each indicator is explained: definition, explanation and use of punctuation. With this method, it analyses the digital press archives of the Spanish newspapers with the largest digital circulations between 2007 and 2010. The study points out the best and worst aspects of the digital press archives, establishing a ranking of newspapers in which El Mundo, Abc, El País and La Vanguardia occupy the top positions, and finally shows five major trends: extension of the temporary fund online, free archives versus payment archives, simplification (and depletion) of the query, filters in the presentation of results and documentary products in the archive section.
Guallar, Javier. "Curación de contenidos en el periodismo digital: conceptualización y propuesta de un sistema para la evaluación de la curación en medios de comunicación digitales." Doctoral thesis, Universitat Pompeu Fabra, 2021. http://hdl.handle.net/10803/672646.
Full textThis research’s goal is to study content curation in the field of journalism, develop an analysis system to evaluate its use and analyse its implementation in digital media. In relation to this: a) a definition of the concept of content curation in journalism is proposed; b) the scope of the concept of journalistic curation is studied, and it is related to the close concept of journalistic documentation; c) research on journalistic curation is situated in the more general context of research on curation; d) a system for evaluating curation in digital media is presented for the first time in the literature; e) this new evaluation tool is tested and validated with a sample of journalistic products, specifically newsletters, in the first systematic study carried out on curation in the media of a country; f) the main characteristics of journalistic products based on curation are established; and g) good journalistic curation practices are identified.
Agarwal, Rachit. "Towards enhancing information dissemination in wireless networks." Thesis, Evry, Institut national des télécommunications, 2013. http://www.theses.fr/2013TELE0020/document.
Full textIn public warning message systems, information dissemination across the network is a critical aspect that has to be addressed. Dissemination of warning messages should be such that it reaches as many nodes in the network in a short time. In communication networks those based on device to device interactions, dissemination of the information has lately picked up lot of interest and the need for self organization of the network has been brought up. Self organization leads to local behaviors and interactions that have global effects and helps in addressing scaling issues. The use of self organized features allows autonomous behavior with low memory usage. Some examples of self organization phenomenon that are observed in nature are Lateral Inhibition and Flocking. In order to provide self organized features to communication networks, insights from such naturally occurring phenomenon is used. Achieving small world properties is an attractive way to enhance information dissemination across the network. In small world model rewiring of links in the network is performed by altering the length and the direction of the existing links. In an autonomous wireless environment such organization can be achieved using self organized phenomenon like Lateral inhibition and Flocking and beamforming (a concept in communication). Towards this, we first use Lateral Inhibition, analogy to Flocking behavior and beamforming to show how dissemination of information can be enhanced. Lateral Inhibition is used to create virtual regions in the network. Then using the analogy of Flocking rules, beam properties of the nodes in the regions are set. We then prove that small world properties are achieved using average path length metric. However, the proposed algorithm is applicable to static networks and Flocking and Lateral Inhibition concepts, if used in a mobile scenario, will be highly complex in terms of computation and memory. In a mobile scenario such as human mobility aided networks, the network structure changes frequently. In such conditions dissemination of information is highly impacted as new connections are made and old ones are broken. We thus use stability concept in mobile networks with beamforming to show how information dissemination process can be enhanced. In the algorithm, we first predict the stability of a node in the mobile network using locally available information and then uses it to identify beamforming nodes. In the algorithm, the low stability nodes are allowed to beamform towards the nodes with high stability. The difference between high and low stability nodes is based on threshold value. The algorithm is developed such that it does not require any global knowledge about the network and works using only local information. The results are validated using how quickly more number of nodes receive the information and different state of the art algorithms. We also show the effect of various parameters such as number of sources, number of packets, mobility parameters and antenna parameters etc. on the information dissemination process in the network. In realistic scenarios however, the dynamicity in the network is not only related to mobility. Dynamic conditions also arise due to change in density of nodes at a given time. To address effect of such scenario on the dissemination of information related to public safety in a metapopulation, we use the concepts of epidemic model, beamforming and the countrywide mobility pattern extracted from the $D4D$ dataset. Here, we also propose the addition of three latent states to the existing epidemic model ($SIR$ model). We study the transient states towards the evolution of the number of devices having the information and the difference in the number of devices having the information when compared with different cases to evaluate the results. Through the results we show that enhancements in the dissemination process can be achieved in the addressed scenario
Medetov, Seytkamal. "Bio-inspired Approaches for Informatio Dissemination in Ad hon Networks." Thesis, Belfort-Montbéliard, 2014. http://www.theses.fr/2014BELF0253/document.
Full textInformation dissemination in Vehicular Ad hoc Networks (VANETs) is a fundamental operation to increase the safety awareness among vehicles on roads. Thus, the design and implementation of efficient and scalable algorithms for relevant information dissemination constitutes a major issue that should be tackled.In this work, bio-inspired information dissemination approaches are proposed, that use self-organization principles of swarms such as Ant and Honey Bee colonies. These approaches are targeted to provide each vehicle with the required information about its surrounding and assist drivers to be aware of undesirable road conditions. In the first approach, Ant’s direct and indirect communication systems are used. Ants share information about food findings with colony members by throwing pheromone on the returning to the nest. The second, an RSU-based approach is inspired by the Bee communication system. Bees share profitable food sources with hive-mates in their hive by specific messages.A “relevance” value associated to the emergency messages is defined as an analogue to pheromone throwing in Ant colony, and as an analogue to profitability level in Bee colony, to disseminate safety information within a geographical area. Simulations are conducted using NS2 network simulator and relevant metrics are evaluated under different node speeds and network densities to show the effectiveness of the proposed approaches
Wallace, Richard. "ETSU Medical Residents' Clinical Information Behaviors, Skills, Training, and Resource Use." Digital Commons @ East Tennessee State University, 2007. https://dc.etsu.edu/etd/2076.
Full textHenry, Didier. "Modèles de propagation de l'information et méthodes de sciences des données." Thesis, Antilles, 2018. http://www.theses.fr/2018ANTI0323/document.
Full textNowadays, online social media has transformed the way we create, share and access information. These platforms rely on gigantic networks that promote the free exchange of information between hundreds of millions of people around the world, and this instantly.Whether related to a global event or in connection with a local event, these messages may influence a society and may contain information useful for the detection or prediction of real-world phenomena.However, some broadcast messages can have a very negative impact in real life. These messages containing false information can have disastrous consequences.To avoid and anticipate these dramatic situations, follow rumors, avoid bad reputations, it is necessary to study and then model the propagation of information.However, most of the diffusion models introduced are based on axiomatic hypotheses represented by mathematical models. As a result, these models are far removed from the users' dissemination behaviors in that they do not incorporate observations made on concrete dissemination cases. In our work, we study the phenomenon of diffusion of information at two scales. On a microscopic scale, we observed diffusion behaviors based on the personality traits of users by analyzing the messages they post in terms of feelings and emotions. On a macroscopic scale, we analyzed the evolution of the diffusion phenomenon by taking into account the geographical dimension of the users
Brun, Philippe. "Conférence répartie en mode messagerie." Saint-Etienne, 1987. http://tel.archives-ouvertes.fr/docs/00/94/12/02/PDF/1987_Brun_Philippe.pdf.
Full textBoulland, Romain. "Trois essais en finance d'entreprise." Thesis, Paris 9, 2013. http://www.theses.fr/2013PA090049.
Full textInvestors often fail to incorporate all relevant information when they make decisions. This is a consequence of both information overload and investors’ limited cognitive abilities. The first essay shows that firms take advantage of investors’ inattention by managing the advance notice period of earnings announcements. Firms notify the date of positive earnings announcement several weeks in advance while disappointing earnings are notified at late notice. The second essay deals with firms’ international visibility and studies how communicating on English-speaking wire services impacts investors’ attention. Higher dissemination of news increases investors’ attention and improves the incorporation of information into stock prices. The third essay deals with the effects of firms’ visibility on investment policy. It shows that higher dissemination of disclosures improves firms’ informational environment and investment efficiency
Boczkowski, Lucas. "Search and broadcast in stochastic environments, a biological perspective." Thesis, Sorbonne Paris Cité, 2018. http://www.theses.fr/2018USPCC044.
Full textThis thesis is built around two series of works, each motivated by experiments on ants. We derive and analyse new models,that use computer science concepts and methodology, despite their biological roots and motivation.The first model studied in this thesis takes its inspiration in collaborative transport of food in the P. Longicornis species. Wefind that some key aspects of the process are well described by a graph search problem with noisy advice. The advicecorresponds to characteristic short scent marks laid in front of the load in order to facilitate its navigation. In this thesis, weprovide detailed analysis of the model on trees, which are relevant graph structures from a computer science standpoint. Inparticular our model may be viewed as a noisy extension of binary search to trees. Tight results in expectation and highprobability are derived with matching upper and lower bounds. Interestingly, there is a sharp phase transition phenomenon forthe expected runtime, but not when the algorithms are only required to succeed with high probability.The second model we work with was initially designed to capture information broadcast amongst desert ants. The model usesa stochastic meeting pattern and noise in the interactions, in a way that matches experimental data. Within this theoreticalmodel, we present in this document a strong lower bound on the number of interactions required before information can bespread reliably. Experimentally, we see that the time required for the recruitment process of even few ants increases sharplywith the group size, in accordance with our result. A theoretical consequence of the lower bound is a separation between theuniform noisy PUSH and PULL models of interaction. We also study a close variant of broadcast, without noise this time butunder more strict convergence requirements and show that in this case, the problem can be solved efficiently, even with verylimited exchange of information on each interaction
Abiza, Yamina. "Personnalisation de la distribution et de la présentation des informations des bases de vidéo interactive diffusées." Nancy 1, 1997. http://www.theses.fr/1997NAN10249.
Full textIn this thesis we deal with the issues of the design and personalization of data-oriented interactive video applications (i. E. Multimedia/hypermedia documents applications with predominance of audio and video data) in the emerging residential multimedia informatoin services (i. E. Interactive television and second generation telematics) More specifically, we are concerned with the server-push information services (i. E. Distributed dynamic and broadcast information sources) to be deployed in heteroyenous environments with shared ressources and destinated to users having different information needs and preferences. In this context, they are a lot of possible aspects to personalize. Here we focus on two particular related aspects : structure-based information filtering and personalization of contents presentation modalities. The techniques to achieve these personalization aspects are tightly related to the design of a given information source. Our approach to personalization is based on the definition of a conceptual data model, HB_Model, composed of : 1) a base model to represent documents organization and internal structure in video interactive sources, 2) a versionning model, HB_Versions, to represents documents contents with multiple alternative representation forms or modalities, and 3) a model for wiews definition, HB_Views, to represent relatively stable users information needs. Personalized information delivery from a given server - based on structure criteria - is archived by the materialization of individual users' views specifications using newly available information on this server. Personalization of contents representation modalitics is archived by the intentional specification of documents contents configuration in the form of a CSP (Constraint Satisfaction Problem) which reflects the constraints of the interaction and presentation contexts caracteristics on the choice of the presentation modality for each content and garantees the coherence of presentation modalities combinations. Finally, we show how our propositions articulate and fit into the architecture of a personalized, server-push interactive video information service
Lin, Trista Shuenying. "Smart parking : Network, infrastructure and urban service." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0138/document.
Full textSmart parking, allowing drivers to access parking information through their smart-phone, is proposed to ease drivers' pain. We first spotlight the manner to collect parking information by introducing the multi-hop sensor network architecture, and how the network is formed. We then introduce the traffic intensity models by looking at the vehicle's arrival and departure probabilities, following the heavy-tailed distribution. We study the deployment strategy of wireless on-street parking sensor layouts. We define a multiple-objective problem and solve it with two real street parking maps. In turn, we present a Publish-Subscribe service system to provide good parking information to drivers. We illustrate the system with a vehicular network and point out the importance of content and context of a driver’s message. To evaluate the resilience, we propose an extended Publish-Subscribe model, and evaluate it under different unforeseen circumstances. Our work is based on the premise that large-scale parking sensors are deployed in the city. We look at the whole picture of urban service from viewpoint of the municipality. As such, we shed light on two main topics: the information collection on sensor deployment and an extended version of Publish-Subscribe messaging paradigm. Our work gives a guideline from network-related perspectives for city before launching a smart parking or any similar real-time urban service. It also provides a meaningful evaluation platform for testing more realistic datasets, such as real vehicle traces or network traffic
Viana, Cassandra Lúcia de Maya. "O fluxo de informações na transferência de tecnologia: estudo dos acordos tecnológicos registrados no INPI - Brasil." Thesis, 1997. http://eprints.rclis.org/7410/1/Fluxo_informa%C3%A7%C3%B5es_Transfer%C3%AAncia_de_Tecnologia.pdf.
Full textPetinari, Valdinéa Sonia. "Repositórios digitais de acesso livre de monografias na área a ciência da informação." Thesis, 2007. http://eprints.rclis.org/12378/1/TCC_Petinari.pdf.
Full textBorges, Maria Manuel. "A Esfera: comunicação académica e novos media." Thesis, 2006. http://eprints.rclis.org/20620/1/MMB%20A%20esfera.pdf.
Full textGakindi, Monica Jr. "Information access needs of satellite campuses in Kenya - Can OER close the gap? The Case of Moi University Nairobi Campus." Thesis, 2010. http://eprints.rclis.org/15384/1/Information%20Access%20Needs%20of%20Satellite%20Campuses%20in%20Kenya.pdf.
Full textVera-Baceta, Miguel-Ángel. "Ley de Transparencia: La apertura de datos en entidades externas a la Administración Pública." Thesis, 2014. http://eprints.rclis.org/24742/1/219501-775931-1-PB.pdf.
Full textJiang, William. "Internet Training of CUNY Librarians." Thesis, 1998. http://eprints.rclis.org/13713/1/1998_William_Jiang_-_Internet_Training_of_CUNY_Librarians.pdf.
Full textRosas, Hernández Charly Michelle. "El ecosistema de la desinformación en internet: Una radiografía de su estructura." Thesis, 2021. http://eprints.rclis.org/42272/1/El%20ecosistema%20de%20la%20desinformaci%C3%B3n%20en%20internet.pdf.
Full textFreire, Isadora. "Repositório institucional: um instrumento de divulgação de monografias de conclusão de curso do Departamento de Ciência da Computação." Thesis, 2008. http://eprints.rclis.org/13273/1/ISADORA_FREIRE.pdf.
Full textFehr, Beat. "Repositories beyond Open Access." Thesis, 2011. http://eprints.rclis.org/16441/1/20120105-Public-BT-Rep-beyond-OA.pdf.
Full textKremsner, Elisabeth. "Der Umgang mit Wissen und Information im Amtsärztlichen Dienst des Burgenlandes : Eine Erhebung des Ist-Zustandes und Empfehlungen zur Verbesserung der aktuellen Situation." Thesis, 2006. http://eprints.rclis.org/8617/1/AC05774929.pdf.
Full textYáñez-Arca, Marcos. "Google Académico en su apogeo. ¿Existen disciplinas todavía fuera de su alcance? Estudio de cobertura en el área de Arquitectura." Thesis, 2014. http://eprints.rclis.org/39135/1/TFM_Marcos_Ya%C3%B1ez.pdf.
Full textFernández-García, Jesús. "Diseño e implementación de un plan de social media marketing (o marketing 2.0) en la Biblioteca de la Universidad de Cádiz." Thesis, 2011. http://eprints.rclis.org/16456/1/Fernandez-Garcia%20-%202011%20-%20Dise%C3%B1o%20e%20implementaci%C3%B3n%20de%20un%20plan%20de%20Social%20Media%20Marketing%20%28o%20Marketing%202.0%29%20en%20la%20Biblioteca%20de%20la%20Universidad%20de%20C%C3%A1diz.pdf.
Full textIrenoa, Kenneth Ohis. "Use of Social Media in the Generation and Diffusion of Information during the 2015 General Elections in Nigeria." Thesis, 2017. http://eprints.rclis.org/32701/1/USE%20OF%20SOCIAL%20MEDIA%20IN%20THE%20GENERATION%20AND%20DIFFUSION%20OF%20INFORMATION%20DURING%20THE%202015%20GENERAL%20ELECTIONS%20IN%20NIGERIA.pdf.
Full textKlausner, Miriam. "Momentaufnahme und Entwicklungspotential von Open Access als alternative Publikationsstruktur an wissenschaftlichen Einrichtungen in Österreich." Thesis, 2005. http://eprints.rclis.org/6548/1/Klausner_2005.pdf.
Full textFauat, Ana Matild. "Comunicação organizacional e padrões de comportamento informacional de gestores e analistas de risco de crédito em instituições financeiras governamentais." Thesis, 2007. http://eprints.rclis.org/12283/1/disseerta%C3%A7%C3%A3o_amf.pdf.
Full textStern, Monika. "Klöster als Wissensvermittler im Raum Tirol, die sich seit der Säkularisation durch Joseph II. in ihrer Rolle behaupten." Thesis, 2005. http://eprints.rclis.org/6461/1/stern_kloester.pdf.
Full textRümker, Zoltán. "Die Positionierung einer zweisprachigen Internetzeitung unter besonderer Berücksichtigung der Bedürfnisse der ungarischen Volksgruppe im Burgenland." Thesis, 2002. http://eprints.rclis.org/6776/1/ruemker_internetzeitung.pdf.
Full textFresco-Santalla, Ana. "Edición y comunicación científica: evolución y tendencias actuales." Thesis, 2013. http://eprints.rclis.org/24471/1/Scholarly_comm_and_publishing_Evolution_and_Trends_AFresco.pdf.
Full textFernández, López Antonio Lázaro. "Análisis y diagnóstico de la difusión de la información y documentación estadística de las administraciones públicas en España." Thesis, 2013. http://eprints.rclis.org/23468/1/Trabajo%20inv%20Antonio%20Fernandez%202.pdf.
Full textCarlos, Lopezosa. "SEO, Periodismo y Comunicación: Conceptos, herramientas y procesos para optimizar la visibilidad web de los medios digitales." Thesis, 2019. http://eprints.rclis.org/42097/1/tclg.pdf.
Full textStefanek, Elisabeth. "Digital Divide : die Entwicklung eines Ablaufmodells zur Überwindung informationeller Ungleichheit." Thesis, 2007. http://eprints.rclis.org/10669/1/AC06412792.pdf.
Full textBorges, Claudia de Oliveira. "A importância dos periódicos de acesso aberto para o desenvolvimento da ciência e tecnologia do país." Thesis, 2010. http://eprints.rclis.org/14653/1/CLAUDIA_DE_OLIVEIRA_BORGES-E-LIS.pdf.
Full textChiroque-Solano, Richard. "Análisis bibliométrico en la revista de Gastroenterología Peruana durante los años 1995 al 2005." Thesis, 2009. http://eprints.rclis.org/31737/1/Chiroque-Solano_Analisis%20bibliometrico%20de%20la%20Revista%20de%20Gastroenterologia%20Peruana.pdf.
Full textMarconi, Claudio. "Open Access e archivi aperti: nuove modalità di diffusione della letteratura scientifica." Thesis, 2008. http://eprints.rclis.org/12839/1/tesi.pdf.
Full textPutz, Michaela. "Wandel der Informationsvermittlung in wissenschaftlichen Bibliotheken : Möglichkeiten neuer Produkte und Dienstleistungen." Thesis, 2002. http://eprints.rclis.org/6413/1/Diplomarbeit_Michaela_Putz.pdf.
Full textCanata, Fatih. "Ulusal Bilgi Politikaları ve Bilgi Merkezleri." Thesis, 2012. http://eprints.rclis.org/30118/1/328560.pdf.
Full textBayón-Sánchez, Javier. "Las Bibliotecas Municipales de León: Propuesta de creación de un repositorio institucional digital." Thesis, 2022. http://eprints.rclis.org/43579/1/Javier_Bay%C3%B3n_S%C3%A1nchez_TFM.pdf.
Full textAlmeida, Robson. "Disseminação de conteúdos na Web: a tecnologia RSS como proposta para a comunicação científica." Thesis, 2008. http://eprints.rclis.org/11856/1/disserta%C3%A7%C3%A3o_final_rss.pdf.
Full textRodríguez-Yunta, Luis. "Ciencia y Documentación en español en el espacio virtual iberoamericano : Rol de las revistas científicas y desarrollo de nuevos productos electrónicos de información bibliográfica." Thesis, 2010. http://eprints.rclis.org/15402/1/Tesis_LuisRodriguezYunta.pdf.
Full textFernández-Ramos, Andrés. "Subject gateways: herramientas para el filtrado de contenidos en la world wide web. Propuesta metodológica para su evaluación." Thesis, 2013. http://eprints.rclis.org/24011/1/tesisdoctoral.pdf.
Full textFuentes, González Irene. "Un museo de ciencia accesible a la sociedad. Contribución e impacto." Thesis, 2022. http://eprints.rclis.org/43534/1/TFG_FuentesGonzalez_Irene.pdf.
Full textCruz, Rodriguez Jorge J. "Herramientas de la Web 2.0 aplicadas a la Biblioteca Virtual UCV Caso: Facebook." Thesis, 2011. http://eprints.rclis.org/23921/1/tesis.pdf.
Full textKoltzenburg, Claudia. "Nicht-propositionales Wissen aus Literaturlektüre und Bedingungen seiner Darstellbarkeit in Wikipedia-Einträgen zu literarischen Werken." Thesis, 2015. http://eprints.rclis.org/25717/1/Koltzenburg_2015_Nicht-propositionales-Wissen_Literarische-Werke_Wikipedia_arxiv.1509.04206v1.pdf.
Full textGonzález-Solar, Llarina. "La biblioteca universitaria orientada a la investigación: propuesta de un modelo de servicio centrado en el usuario desde la perspectiva del marketing." Thesis, 2016. http://eprints.rclis.org/30313/1/GonzalezSolar_Llarina_TD_2016.pdf.
Full textMuela-Meza, Zapopan Martín. "Community Profiling to Analyse Community Information Needs, and Providers: Perceptions from the People of the Broomhall Neighbourhood, from Sheffield, UK." Thesis, 2010. http://eprints.rclis.org/14659/1/2005.Muela-Meza.ZM.Official.PhD.research.proposal.pdf.
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