Dissertations / Theses on the topic 'Extension bases'
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Martin, Exertier François. "Extension orientée objet d'un SGBD relationnel." Grenoble 1, 1991. http://tel.archives-ouvertes.fr/tel-00004715.
Full textBENMOHAMED, MOHAMED. "Etude des bases de donnees localisees de grande extension." Paris 7, 1993. http://www.theses.fr/1993PA077013.
Full textMello, Thiago Castilho de. "Sobre bases normais para extensões galoisianas de corpos." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-21052008-150202/.
Full textIn this work we present several demonstrations of The Normal Basis Theorem for certain kinds of galoisian extensions of fields, some of them existential and others constructive, pointing the diffculties and differences in each situation. We also present generalizations of such theorem and show that every odd degree galoisian extension of fields admits a self-dual normal base with respect to the trace bilinear map
Mopolo-Moke, Gabriel. "Nice-c++ : une extension c++ pour la programmation persistante a partir d'un serveur de bases d'objets." Nice, 1991. http://www.theses.fr/1991NICE4516.
Full textBuyukcan, Mehmet. "Preservation And Shelf Life Extension Of Shrimps And Mussels By High Hydrostatic Pressure(hpp)." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/3/12607290/index.pdf.
Full textC for 10 and 20 minutes. Microbial analysis were performed by analyzing the effect of treatments on the microbial reduction in the samples. Based on the results of the microbial reduction, the best combinations of HHP treatments were determined as 250 MPa, 50°
C, 10 minute for shrimps and 220 MPa, 50°
C, 10 minute for mussels where total microbial inactivation was achieved. Storage analysis was performed on the samples, treated at the selected HHP combinations and stored at room (25°
C) and refrigeration temperatures (4°
C). For the storage analysis, variations in Total Volatile Bases (TVB-N) and pH were measured. According to the results evaluated, shelf-life of the shrimps were detected as 10 and 16 days for storage at room and refrigeration temperature, respectively as compared to 4 days of untreated sample at 4oC. Similarly shelf-life for the mussel samples were obtained as 12 days for storage at room and 18 day for storage at refrigeration temperature as compared to 4 days of untreated sample at 4oC. HHP-at the studied parameters for shrimps and mussels- can be offered as an alternative method for the preservation of shell-fish instead of conventional frozen food technology, which is currently used in the industry, since it gives the opportunity to handle the samples at lower temperatures for the post-production period resulting in both reduction of energy required and operational costs without sacrificing from the quality as measured by microbial reduction, TVB-N and pH.
Hmida, Hmida. "Extension des Programmes Génétiques pour l’apprentissage supervisé à partir de très larges Bases de Données (Big data)." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLED047.
Full textIn this thesis, we investigate the adaptation of GP to overcome the data Volume hurdle in Big Data problems. GP is a well-established meta-heuristic for classification problems but is impaired with its computing cost. First, we conduct an extensive review enriched with an experimental comparative study of training set sampling algorithms used for GP. Then, based on the previous study results, we propose some extensions based on hierarchical sampling. The latter combines active sampling algorithms on several levels and has proven to be an appropriate solution for sampling techniques that can’t deal with large datatsets (like TBS) and for applying GP to a Big Data problem as Higgs Boson classification.Moreover, we formulate a new sampling approach called “adaptive sampling”, based on controlling sampling frequency depending on learning process and through fixed, determinist and adaptive control schemes. Finally, we present how an existing GP implementation (DEAP) can be adapted by distributing evaluations on a Spark cluster. Then, we demonstrate how this implementation can be run on tiny clusters by sampling.Experiments show the great benefits of using Spark as parallelization technology for GP
Tawbi, Chawki. "Adactif : extension d'un SGBD à l'activité par une approche procédurale basée sur les rendez-vous." Toulouse 3, 1996. http://www.theses.fr/1996TOU30262.
Full textLECUBIN, FLORENCE. "Synthese et etude de nouvelles bases heterocycliques : extension des motifs de reconnaissance de l'adn double brin par les oligonucleotides anti-genes." Paris 11, 1999. http://www.theses.fr/1999PA112083.
Full textGhederim, Alexandra. "Une extension des modèles sémantiques par un ordre sur les attributs : application à la migration de schémas relationnels vers des schémas orientés objet." Lyon 1, 1996. http://www.theses.fr/1996LYO10303.
Full textCollet, Philippe. "Un modele fonde sur les assertions pour le genie logiciel et les bases de donnees : application au langage oqual, une extension d'eiffel." Nice, 1997. http://www.theses.fr/1997NICE5130.
Full textBazhar, Youness. "Extension des systèmes de métamodélisation persistant avec la sémantique comportementale." Phd thesis, ISAE-ENSMA Ecole Nationale Supérieure de Mécanique et d'Aérotechique - Poitiers, 2013. http://tel.archives-ouvertes.fr/tel-00939900.
Full textKaramitros, Mathieu. "Extension de l'outil Monte Carlo généraliste Geant4 pour la simulation de la radiolyse de l'eau dans le cadre du projet Geant4-DNA." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14629/document.
Full textThe purpose of this work, performed under the Geant4-DNA project, is to design a prototype for simulating early chemical effects of ionizing radiation. The studied simulation model is based on the particle-continuum representation where all the molecules are explicitly simulated, and where the solvent is treated as a continuum. The method proposed by this thesis aims at improving the performance of this type of simulation. It is based on (1) a dynamical time steps method with a Brownian bridge process, to account for chemical reactions, which avoids the costly fixed time-step simulations, and (2) on the k-d tree data structure for quickly locating, for a given molecule, its closest reactants. The accuracy of the algorithm is demonstrated by comparing radiochemical yields over time and depending on the linear energy transfer with results obtained from other Monte Carlo codes and experimental data. Using this prototype, an attempt to predict the number and type of radical attacks on DNA has been performed using a simplified description of the cell nucleus
Elashter, Mouna. "Gestion et extension automatiques du dictionnaire relationnel multilingues de noms propres Prolexbase : mise à jour multilingues et création d'un volume arabe via la Wikipédia." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR4011/document.
Full textLexical databases play a significant role in natural language processing (NLP), however, they require permanent development and enrichment through the exploitation of free resources from the semantic web, among others, Wikipedia, DBpedia, Geonames and Yago2. Prolexbase, which issued of numerous studies on NLP, has ten languages, three of which are well covered: French, English and Polish. It was manually designed; the first semiautomatic attempt was made by the ProlexFeeder project (Savary et al., 2013). The objective of our work was to create an automatic updating and extension tool for Prolexbase, and to introduce the Arabic language. In addition, a fully automatic system has been implemented to calculate, via Wikipedia, the notoriety of the entries of Prolexbase. This notoriety is language dependent, is the first step in the construction of an Arabic module of Prolexbase, and it takes a part in the notoriety revision currently present for the other languages in the database
Brown, Almeshia S. "An Assessment of Virginia Cooperative Extension's New Extension Agent Training Program." Diss., Virginia Tech, 2003. http://hdl.handle.net/10919/29890.
Full textPh. D.
Guianvarc'h, Dominique. "Extension des motifs de reconnaissance de la triple-helice d'acides nucleiques. Synthese et evaluation dans un contexte oligonucleotidique de nouveaux analogues de nucleosides pour la reconnaissance specifique de la paire de bases a_t." Paris 6, 2001. http://www.theses.fr/2001PA066113.
Full textChakraborty, Olive. "Design and Cryptanalysis of Post-Quantum Cryptosystems." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS283.
Full textPolynomial system solving is one of the oldest and most important problems incomputational mathematics and has many applications in computer science. Itis intrinsically a hard problem with complexity at least single exponential in the number of variables. In this thesis, we focus on cryptographic schemes based on the hardness of this problem. In particular, we give the first known cryptanalysis of the Extension Field Cancellation cryptosystem. We work on the scheme from two aspects, first we show that the challenge parameters don’t satisfy the 80 bits of security claimed by using Gröbner basis techniques to solve the underlying algebraic system. Secondly, using the structure of the public keys, we develop a new technique to show that even altering the parameters of the scheme still keeps the scheme vulnerable to attacks for recovering the hidden secret. We show that noisy variant of the problem of solving a system of equations is still hard to solve. Finally, using this new problem to design a new multivariate key-exchange scheme as a candidate for NIST Post Quantum Cryptographic Standards
Hossain, Akash. "Forking in valued fields and related structures." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPASM019.
Full textThis thesis is a contribution to the model theory of valued fields. We study forking in valued fields and some of their reducts. We focus particularly on pseudo-local fields, the ultraproducts of residue characteristic zero of the p-adic valued fields. First, we look at the value groups of the valued fields we are interested in, the regular ordered Abelian groups. We establish for these ordered groups a geometric description of forking, as well as a full classification of the global extensions of a given type which are non-forking or invariant. Then, we prove an Ax-Kochen-Ershov principle for forking and dividing in expansions of pure short exact sequences of Abelian structures, as studied by Aschenbrenner-Chernikov-Gehret-Ziegler in their article about distality. This setting applies in particular to the leading-term structure of (expansions of) valued fields. Lastly, we give various sufficient conditions for a parameter set in a Henselian valued field of residue characteristic zero to be an extension base. In particular, we show that forking equals dividing in pseudo-local of residue characteristic zero. Additionally, we discuss results by Ealy-Haskell-Simon on forking in separated extensions of Henselian valued fields of residue characteristic zero. We contribute to the question in the setting of Abhyankar extensions, where we show that, with some additional conditions, if a type in a pseudo-local field does not fork, then there exists some global invariant Keisler measure whose support contains that type. This behavior is well-known in pseudo-finite fields
Jomier, Geneviève. "Bases de données relationnelles : le système PEPIN et ses extensions." Paris 5, 1989. http://www.theses.fr/1989PA05S008.
Full textDosi, Harsh. "Patway Pioneer: A Web-Based Metabolic Network Layout Extension." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/2797.
Full textHolmberg, Wilhelm. "Cost-efficient method forlifetime extension ofinterconnectedcomputer-based systems." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-303014.
Full textLivslängd och åldrande av komponenter för datorbaserade system utgör problem för fortsatt användande och underhåll av systemen. Den här avhandlingen undersöker möjliga alternativ för livstidsförlängning av ett tågidentifieringssystem som används i Stockholms tunnelbana. Efterforskningar av andra tågidentifieringssystem tillgängliga på marknaden genomfördes för att möjliggöra en kostnadsjämförelse mellan livstidsförlängning och systemutbyte. Metoder för förlängning av livslängd av datorbaserade system, där komponenter är föråldrade, undersöktes. Då stora delar av systemdokumentationen inte var tillgänglig valdes baklängesutveckling som strategi. Genom användande av förvärvade elscheman och öppen-källkod hårdvarubeskrivningar kunde en hårdvaruemulator utvecklas, vilken är direkt kompatibel med befintlig hårdvara. Den totala resursanvändningen indikerar att det är möjligt att förlänga systemets livslängd till en låg kostnad, jämfört med kostnaden för ett systembyte.
Graham, Matthew R. "Extensions in model-based system analysis." Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2007. http://wwwlib.umi.com/cr/ucsd/fullcit?p3273192.
Full textTitle from first page of PDF file (viewed August 31, 2007). Available via ProQuest Digital Dissertations. Vita. Includes bibliographical references (p. 116-123).
Cochran, Graham R. "Ohio State University Extension Competency Study: Developing a Competency Model for a 21st Century Extension Organization." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1243620503.
Full textJoshi, Laxman. "Incorporating farmers' knowledge in the planning of interdisciplinary research and extension." Thesis, Bangor University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364125.
Full textEnnaoui, Karima. "Computational aspects of infinite automata simulation and closure system related issues." Thesis, Université Clermont Auvergne (2017-2020), 2017. http://www.theses.fr/2017CLFAC031/document.
Full textThis thesis investigates complexity and computational issues in two parts. The first concerns an issue related to web services composition problem: Deciding whether the behaviour of a web service can be composed out of an existing repository of web services. This question has been reduced to simulating a finite automata to the product closure of an automata set. We study the complexity of this problem considering two parameters; the number of considered instances in the composition and the presence of the so-called hybrid states (states that are both intermediate and final). The second part concerns closure systems and two related issues; Maximal extension of a closure system : we give an incremental polynomial algorithm that computes a lattice's maximal extension when the input is a binary relation. Candidate keys enumeration : we introduce the notion of key-ideal sets and prove that their enumeration is equivalent to candidate keys enumeration. We then give an efficient algorithm that generates all non-minimal key-ideal sets in a polynomial delay and all minimal ones in incremental polynomial time
Corney, Diane. "Implementation of object-oriented languages based on type extension." Thesis, Queensland University of Technology, 1997.
Find full textMonge, Hernández Carmen Lidia. "La universidad latinoamericana en la sociedad. Análisis de la relación entre universidad y comunidad desde el enfoque de capacidades para el desarrollo humano." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/166794.
Full text[CA] La present tesi explora dues experiències d'extensió universitària llatinoamericanes des de l'enfocament de les capacitats per al desenvolupament humà, les quals són: la Universitat Nacional, Costa Rica i la Universitat Nacional de Rosario, Argentina. El nostre objectiu és comprendre la contribució d'aquestes pràctiques per transitar cap a una extensió transformadora. A partir d'una aproximació de tall qualitatiu, identifiquem les capacitats més valorades per les persones participants (estudiants i persones de les organitzacions socials i comunitàries), així com els recursos institucionals i els factors de conversió que intervenen en aquestes pràctiques extensionistes. Des d'una perspectiva crítica de l'extensió universitària i sostinguda en els paradigmes constructivista i interpretativista, triem l'estudi de cas, buscant la comprensió de la realitat i del significat de l'experiència per a les persones participants. En el camp metodològic, es van desplegar diferents mètodes qualitatius, com ara la revisió documental, l'observació participant, les entrevistes i els grups de discussió. Pel que fa als resultats, destaquem la recuperació i sistematització de literatura llatinoamericana relacionada amb l'extensió universitària, reconeixent la fortalesa de la cultura extensionista per a una formació integral, així com la seva contribució social al desenvolupament humà sostenible. D'altra banda, es posa en valor les virtuts metodològiques de l'enfocament de les capacitats en l'educació superior que va permetre el disseny del primer índex llatinoamericà que recull les capacitats individuals i col·lectives més valorades pels diferents actors de l'extensió universitària, així com els principals recursos i factors de conversió que possibiliten l'expansió d'aquestes capacitats. L'índex ací presentat agrupa sis capacitats estudiantils ampliades durant l'experiència extensionista, que evidencien l'enfocament integral i transformador de tals pràctiques en l'àmbit personal, comunitari i professional, que es troba alineat amb els valors del desenvolupament humà i l'ideari de la reforma de Còrdova. D'altra banda, des dels contextos locals, es va destacar l'expansió de tres capacitats individuals i cinc col·lectives. A partir d'aquest anàlisi, es va aconseguir visualitzar la confluència de diferents factors (personals, socials i ambientals) en l'expansió d'aquestes capacitats, així com proposar transformacions universitàries i educatives necessàries per transitar cap a una extensió transformadora. Finalment, aquesta investigació aporta una sèrie de valors, principis i fins per assolir una extensió transformadora alineada amb el desenvolupament humà sostenible. Per promoure aquesta transició, es requereix que les universitats públiques llatinoamericanes impulsin i facilitin processos de co-disseny que promoguin la creació i actualització de normativa institucional i el foment d'una cultura i gestió institucional dirigides a potenciar l'extensió transformadora.
[EN] This thesis explores two Latin American university extension experiences from the perspective of human development capabilities: Universidad Nacional, Costa Rica and Universidad Nacional de Rosario, Argentina. Its objective is to understand the contribution of such practices to move towards a transformative extension. From a qualitative approach, the participants' (students and people from social and community organizations) most valued capabilities were identified, along with the institutional resources and conversion factors involved in such extension practices. From a critical perspective of university extension and sustained in the constructivist and interpretivist paradigms, the case studies to understand the reality and meaning of the participants' experience were chosen. Different qualitative methods were deployed in the methodological field, such as documentary review, participant observation, interviews, and discussion groups. As for the results, the recovery and systematization of Latin American literature related to university extension were highlighted, recognizing the extensionist culture's strength for an integral formation and its social contribution to sustainable human development. On the other hand, there is an emphasis on the methodological virtues of the capabilities approach in higher education that allowed the design of the first Latin American index that gathers the individual and collective capabilities most valued by the different actors of university extension, as well as the primary resources and conversion factors that make possible the expansion of such capabilities. The index presented here brings together six student capabilities that were expanded during the extension experience, which show the comprehensive and transformative approach of such practices in the personal, community and professional fields, and aligned with the values of human development and the ideas of the Reforma de Córdoba. On the other hand, the expansion of three individual and five collective capabilities was highlighted from the local contexts. Based on this analysis, the confluence of different factors (personal, social and environmental) in expanding these capabilities was made visible and proposing the university and educational transformations needed to move towards a transformative extension. Finally, this research provides a series of values, principles and goals to achieve a transformative extension aligned with sustainable human development. To promote this transition, Latin American public universities are required to encourage and facilitate co-design processes that promote the creation and updating of institutional regulations and the promotion of institutional culture and management to enhance the transfer of knowledge and skills to the public sector.
Monge Hernández, CL. (2021). La universidad latinoamericana en la sociedad. Análisis de la relación entre universidad y comunidad desde el enfoque de capacidades para el desarrollo humano [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/166794
TESIS
Turan, Bora. "Analysis for a trusted computing base extension prototype board." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2000. http://handle.dtic.mil/100.2/ADA377677.
Full textThesis advisor(s): Irvine, Cynthia E. "March 2000." Includes bibliographical references (p. 101-102). Also available in print.
Apel, Joachim. "Computational Ideal Theory in Finitely Generated Extension Rings." Universität Leipzig, 1998. https://ul.qucosa.de/id/qucosa%3A34526.
Full textAndersson, Anders. "Extensions for Distributed Moving Base Driving Simulators." Licentiate thesis, Linköpings universitet, Institutionen för datavetenskap, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-136146.
Full textWeiss, Christian. "Games with fuzzy coalitions: concepts based on the Choquet extension." [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968578438.
Full textLiu, Enze. "Optimization and Application extension fora Bloom filter based sequence classifier." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142011.
Full textCao, Jun. "A Random-Linear-Extension Test Based on Classic Nonparametric Procedures." Diss., Temple University Libraries, 2009. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/48271.
Full textPh.D.
Most distribution free nonparametric methods depend on the ranks or orderings of the individual observations. This dissertation develops methods for the situation when there is only partial information about the ranks available. A random-linear-extension exact test and an empirical version of the random-linear-extension test are proposed as a new way to compare groups of data with partial orders. The basic computation procedure is to generate all possible permutations constrained by the known partial order using a randomization method similar in nature to multiple imputation. This random-linear-extension test can be simply implemented using a Gibbs Sampler to generate a random sample of complete orderings. Given a complete ordering, standard nonparametric methods, such as the Wilcoxon rank-sum test, can be applied, and the corresponding test statistics and rejection regions can be calculated. As a direct result of our new method, a single p-value is replaced by a distribution of p-values. This is related to some recent work on Fuzzy P-values, which was introduced by Geyer and Meeden in Statistical Science in 2005. A special case is to compare two groups when only two objects can be compared at a time. Three matching schemes, random matching, ordered matching and reverse matching are introduced and compared between each other. The results described in this dissertation provide some surprising insights into the statistical information in partial orderings.
Temple University--Theses
Walker, Daniel Harmen. "A knowledge-based systems approach to agroforestry research and extension." Thesis, Bangor University, 1994. https://research.bangor.ac.uk/portal/en/theses/a-knowledgebased-systems-approach-to-agroforestry-research-and-extension(01899f22-8cf4-42be-897e-00e904d186f3).html.
Full textLee, Joseph Jiazong. "Extensions of Randomization-Based Methods for Causal Inference." Thesis, Harvard University, 2015. http://nrs.harvard.edu/urn-3:HUL.InstRepos:17463974.
Full textStatistics
Romano, Tara Lynn. "EVALUATION OF AN ASSETS-BASED YOUTH DEVELOPMENT PROGRAM DESIGNED TO PROVIDE UNDERPRIVILEGED YOUTH WITH EDUCATIONAL AND EMPLOYMENT RESOURCES." NCSU, 2001. http://www.lib.ncsu.edu/theses/available/etd-20010711-202352.
Full textThis study was an evaluation of a 4-H Youth DevelopmentProgram that provided a series of weekend camps and a weeklong summer camp to underprivileged youth. This programattempted to provide the youth with additional knowledge, skills, and aspirations necessary for a successful educational and employment future. This program took place in Carteret County, NC. The major purposes of this study were: (1) to determine whether or not the youths' knowledge, skills, and aspirations increased due to their participation in this program; and (2) to provide recommendations for the program so that the program may increase its effectiveness and possibly be replicated by other counties in North Carolina. A case study research design was used to gather data for this evaluation, with a variety of different data collected from program staff, local schools, parents and guardians of the program participants, and the participants themselves. Surveys, pre- and post-tests, interviews, and observations were the tools used to collect the data. A control group of inactive participants (who had rarely attended program activities) was used as a comparison for the group of youth that were active program participants. An analysis of the data determined if any trends or patterns existed that supported the program's objectives of increasing the youth's knowledge, skills, and aspirations. The major findings of this study were that: (1) the program, while providing some benefits to the children in terms of support and relationship-building, did not completely achieve its objectives; and (2) a number of recommendations, including increased family involvement in the program, could help to improve and possibly achieve the program's initial objectives.
Cummings, Gregory Aaron. "Defining the knowledge base of our profession: a look at agricultural and extension education in the 21st century." Texas A&M University, 2003. http://hdl.handle.net/1969.1/2279.
Full textStarr, Cynthia Louise. "A graphical extension for Pascal based on the Graphical Kernel System." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/28402.
Full textScience, Faculty of
Computer Science, Department of
Graduate
Gould, Gwyneth (Gwyneth Michelle) Carleton University Dissertation Engineering Mechanical. "Damage tolerance based life extension of turbine discs; a PFM approach." Ottawa, 1987.
Find full textKrejčí, Jana. "MCDM methods based on pairwise comparison matrices and their fuzzy extension." Doctoral thesis, Università degli studi di Trento, 2017. https://hdl.handle.net/11572/369186.
Full textKrejčí, Jana. "MCDM methods based on pairwise comparison matrices and their fuzzy extension." Doctoral thesis, University of Trento, 2017. http://eprints-phd.biblio.unitn.it/2009/3/Thesis-KrejciJ.pdf.
Full textKinney, Kimberlee Ann. "Exploration of Facilitators, Barriers and Opportunities for Faith-Based Organizations to Implement Nutrition and Physical Activity Programs and Partner with Virginia's Supplemental Nutrition Assistance Program Education." Diss., Virginia Tech, 2018. http://hdl.handle.net/10919/82927.
Full textPh. D.
Er, Ngurah Agus Sanjaya. "Techniques avancées pour l'extraction d'information par l'exemple." Electronic Thesis or Diss., Paris, ENST, 2018. http://www.theses.fr/2018ENST0060.
Full textSearching for information on the Web is generally achieved by constructing a query from a set of keywords and firing it to a search engine. This traditional method requires the user to have a relatively good knowledge of the domain of the targeted information to come up with the correct keywords. The search results, in the form of Web pages, are ranked based on the relevancy of each Web page to the given keywords. For the same set of keywords, the Web pages returned by the search engine would be ranked differently depending on the user. Moreover, finding specific information such as a country and its capital city would require the user to browse through all the documents and reading its content manually. This is not only time consuming but also requires a great deal of effort. We address in this thesis an alternative method of searching for information, i.e. by giving examples of the information in question. First, we try to improve the accuracy of the search by example systems by expanding the given examples syntactically. Next, we use truth discovery paradigm to rank the returned query results. Finally, we investigate the possibility of expanding the examples semantically through labelling each group of elements of the examples
Gonzalez, Raul. "Liquidity-Based Extensions of GARCH Models of Stock Volatility." St. Gallen, 2005. http://www.biblio.unisg.ch/org/biblio/edoc.nsf/wwwDisplayIdentifier/03608031001/$FILE/03608031001.pdf.
Full textWalker, Ian James Victor. "Fact-based extensions to object-oriented analysis and design." Thesis, Leeds Beckett University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306970.
Full textThétiot, Franck. "Matériaux moléculaires magnétiques à base d'anions polynitrile : Extension aux matériaux bimétalliques." Brest, 2004. http://www.theses.fr/2004BRES2001.
Full textDue to their high electronic delocalization and their cyano groups juxtaposed in such a way Chat they cannot all coordinate to the same metal ion, cyano- and azacyano- carbanions are interesting ligands in the field of molecular materials with magnetic properties. In this context, reactivities of two original polynitrile anions [(CN),CC(OIOF. R] a_n_d [(CN),CC(OEt)C(CN)2ll with transition metal ions led to the first magnetic polymeric compounds in which these polynitrile anions act as bridging ligands. In order to estimate the influence of a co-ligand in these "binary" molecular systems M11/polynitrile, we then considered combination of neutral co-ligands 2,2'-bipyrimidine (bpym) and 1,3-diaminopropane (tri) with différent polynitrile anions. These combinations displayed rich and various structural architectures with magnetic coupling between the metal centers. Based on the studies of ibese polynitrile coordination compounds, we substituted the diamagnetic polynitrile anions by the paramagnetic hexacyanometallate anions [M(CN)6]3- (Ml" = Fe"', Cr"'). The combination of these anions with the two-coordinate original assembling unit [Cu(tn)]2 led to extended bimetallic cyano-bridged assemblies with varions structural architectures and magnetic properties, including the first two-dimensional ferromagnet [Cu(tn)]3[Cr(CN)612. 3H20 involving "-Cu-NC-Cr-" linkages
Ackah-Nyamike, Edward Ernest. "Expanding the funding base for public agricultural extension delivery in Ghana : an analysis of farmer willingness to pay for extension services." Thesis, University of Reading, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288736.
Full textInzinger, Dagmar, and Peter Haiss. "Integration of European Stock Markets. A Review and Extension of Quantity-Based Measures." Europainstitut, WU Vienna University of Economics and Business, 2006. http://epub.wu.ac.at/320/1/document.pdf.
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Tian, Meng. "Extension in domain specific code generation with meta-model based aspect weaving." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/416607/.
Full textManandhar, S. K. "Relational extensions to feature logic : applications to constraint based grammars." Thesis, University of Edinburgh, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.657261.
Full textOkuno, Akifumi. "Studies on Neural Network-Based Graph Embedding and Its Extensions." Kyoto University, 2020. http://hdl.handle.net/2433/259075.
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