Literatura científica selecionada sobre o tema "Graphes sémantiques"
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Artigos de revistas sobre o assunto "Graphes sémantiques"
Colazzo, Dario, François Goasdoué, Ionna Manolescu e Alexandra Roatis. "Analyse de données RDF. Lentilles pour graphes sémantiques". Ingénierie des systèmes d'information 19, n.º 4 (28 de agosto de 2014): 87–117. http://dx.doi.org/10.3166/isi.19.4.87-117.
Texto completo da fonteOtman, Gabriel. "Les bases de connaissances terminologiques : les banques de terminologie de seconde génération". Meta 42, n.º 2 (30 de setembro de 2002): 244–56. http://dx.doi.org/10.7202/003772ar.
Texto completo da fonteBadir, Sémir, e Stéphane Polis. "Les cartes sémantiques en typologie des langues. La médiation iconique entre qualification et quantification dans des représentations visuelles du discours linguistique". Travaux de linguistique 87, n.º 2 (10 de janeiro de 2024): 51–73. http://dx.doi.org/10.3917/tl.087.0051.
Texto completo da fonteRichard, Chantal. "Visualiser la cartographie postmoderne cybernétique de Régine Robin à l’aide du logiciel Hyperbase". Articles 45, n.º 1-2 (8 de fevereiro de 2017): 215–31. http://dx.doi.org/10.7202/1038909ar.
Texto completo da fonteBLUM, Véronique, Nhu-Tuyën Lê e Bernard Gumb. "La résonnance d’un plaidoyer au cours d’un processus de concertation sur une norme comptable: le cas des activités extractives". Revue Française de Gestion Industrielle 38, n.º 1 (19 de março de 2024): 13–34. http://dx.doi.org/10.53102/2024.38.01.1185.
Texto completo da fonteGarcia-Debanc, Claudine, Myriam Bras e Laure Vieu. "Annotation de la cohérence dans des textes d’élèves et jugements de cohérence d’enseignants du primaire". SHS Web of Conferences 186 (2024): 03003. http://dx.doi.org/10.1051/shsconf/202418603003.
Texto completo da fonteNgatcha-Ribert, Laëtitia, e Arielle Gondonneau. "Changements sémantiques en gérontologie : avancée ou nouvelle langue de bois ?" Le Sociographe N° 74, n.º 2 (17 de maio de 2021): 91–103. http://dx.doi.org/10.3917/graph.074.0091.
Texto completo da fonteDelteil, Alexandre, Catherine Faron e Rose Dieng. "Le modèle des graphes conceptuels pour le web sémantique Extensions de RDF et RDFS basées sur le modèle des graphes conceptuels". L'objet 9, n.º 3 (30 de setembro de 2003): 95–122. http://dx.doi.org/10.3166/objet.9.3.95-122.
Texto completo da fonteBaray, Jérôme, Amina Béji-Bécheur e Yves Soulabail. "Appréhender les thématiques et communautés de recherche en gestion à travers l’analyse sémantique des publications en sciences de gestion sur HAL". La Revue des Sciences de Gestion N° 313, n.º 1 (9 de maio de 2022): 13–24. http://dx.doi.org/10.3917/rsg.313.0017.
Texto completo da fonteLe Gouriérec, Frédéric. "Créer l’obscurité : mission historique du traducteur du chinois. Raison d’être et constance de quelques procédés du XVIIIe siècle à nos jours". Convergences francophones 2, n.º 1 (22 de junho de 2015): 37–53. http://dx.doi.org/10.29173/cf244.
Texto completo da fonteTeses / dissertações sobre o assunto "Graphes sémantiques"
Auillans, Pascal. "Modélisation de réseaux sémantiques par des hypergraphes et applications". Bordeaux 1, 2005. http://www.theses.fr/2005BOR12966.
Texto completo da fonteThe goal of the Web evolutions planned by the W3C is to enable the improvement of web services quality. To this end, W3C has added to the Web architecture a knowledge management system named Semantic Web, which implements a theoretical model relying on descriptive logic. This thesis, of which researches are more specifically applied to another knowledge representation system named Topic Maps, aims to rovide an alternative to the use of descriptive logic. We will show how graph theory can be used to structure the knowledge, hence benefit to the field of knowledge representation. This thesis initialy stands within the european project KePT, which aimed to implement a visualization interface for knowledge, structured according to the norm ISO 13250 Topic Maps, in Mondeca's ITM application. Research on graph clustering made for this project raised the need of both a better understanding of the topic maps structure, and tools that enable implementation of efficient processing. Therefore, we propose a formal model relying on graph theory that enables to express structural properties, beyond the expressive power of first order logic. Our model is not only suited for theoretical studies, but also for the adaptation of fast graph theory algorithms to knowledge processing. These processing were previously hardly implementable in industrial applications
Hubert, Nicolas. "Mesure et enrichissement sémantiques des modèles à base d'embeddings pour la prédiction de liens dans les graphes de connaissances". Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0059.
Texto completo da fonteKnowledge graph embedding models (KGEMs) have gained considerable traction in recent years. These models learn a vector representation of knowledge graph entities and relations, a.k.a. knowledge graph embeddings (KGEs). This thesis specifically explores the advancement of KGEMs for the link prediction (LP) task, which is of utmost importance as it underpins several downstream applications such as recommender systems. In this thesis, various challenges around the use of KGEMs for LP are identified: the scarcity of semantically rich resources, the unidimensional nature of evaluation frameworks, and the lack of semantic considerations in prevailing machine learning-based approaches. Central to this thesis is the proposition of novel solutions to these challenges. Firstly, the thesis contributes to the development of semantically rich resources: mainstream datasets for link prediction are enriched using schema-based information, EducOnto and EduKG are proposed to overcome the paucity of resources in the educational domain, and PyGraft is introduced as an innovative open-source tool for generating synthetic ontologies and knowledge graphs. Secondly, the thesis proposes a new semantic-oriented evaluation metric, Sem@K, offering a multi-dimensional perspective on model performance. Importantly, popular models are reassessed using Sem@K, which reveals essential insights into their respective capabilities and highlights the need for multi-faceted evaluation frameworks. Thirdly, the thesis delves into the development of neuro-symbolic approaches, transcending traditional machine learning paradigms. These approaches do not only demonstrate improved semantic awareness but also extend their utility to diverse applications such as recommender systems. In summary, the present work not only redefines the evaluation and functionality of knowledge graph embedding models but also sets the stage for more versatile, interpretable AI systems, underpinning future explorations at the intersection of machine learning and symbolic reasoning
Puget, Dominique. "Aspects sémantiques dans les Systèmes de Recherche d'Informations". Toulouse 3, 1993. http://www.theses.fr/1993TOU30139.
Texto completo da fonteTailhardat, Lionel. "Anomaly detection using knowledge graphs and synergistic reasoning : application to network management and cyber security". Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS293.
Texto completo da fonteIncident management on telecom and computer networks, whether it is related to infrastructure or cybersecurity issues, requires the ability to simultaneously and quickly correlate and interpret a large number of heterogeneous technical information sources. In this thesis, we study the benefits of structuring this data into a knowledge graph, and examine how this structure helps to manage the complexity of networks, particularly for applications in anomaly detection on dynamic and large-scale networks. Through an ontology (a model of concepts and relationships to describe an application domain), knowledge graphs allow different-looking information to be given a common meaning. We first introduce a new ontology for describing network infrastructures, incidents, and operations. We also describe an architecture for transforming network data into a knowledge graph organized according to this ontology, using Semantic Web technologies to foster interoperability. The resulting knowledge graph allows for standardized analysis of network behavior. We then define three families of algorithmic techniques for using the graph data, and show how these techniques can be used to detect abnormal system behavior and assist technical support teams in incident diagnosis. Finally, we present a software architecture to facilitate the interactions of support teams with the knowledge graph and diagnostic algorithms through a specialized graphical user interface. Each proposal has been independently tested through experiments and demonstrations, as well as by a panel of expert users using the specialized graphical interface within an integrated solution
Talon, Bénédicte. "Un système d'aide à l'acquisition de concepts nouveaux pour un outil d'analyse du langage naturel". Compiègne, 1991. http://www.theses.fr/1991COMPD378.
Texto completo da fonteGueffaz, Mahdi. "ScaleSem : model checking et web sémantique". Phd thesis, Université de Bourgogne, 2012. http://tel.archives-ouvertes.fr/tel-00801730.
Texto completo da fonteLajmi, Sonia. "Annotation et recherche contextuelle des documents multimédias socio-personnels". Phd thesis, INSA de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00668689.
Texto completo da fonteAllani, Atig Olfa. "Une approche de recherche d'images basée sur la sémantique et les descripteurs visuels". Electronic Thesis or Diss., Paris 8, 2017. http://www.theses.fr/2017PA080032.
Texto completo da fonteImage retrieval is a very active search area. Several image retrieval approaches that allow mapping between low-level features and high-level semantics have been proposed. Among these, one can cite object recognition, ontologies, and relevance feedback. However, their main limitation concern their high dependence on reliable external resources and lack of capacity to combine semantic and visual information.This thesis proposes a system based on a pattern graph combining semantic and visual features, relevant visual feature selection for image retrieval and improvement of results visualization. The idea is (1) build a pattern graph composed of a modular ontology and a graph-based model, (2) to build visual feature collections to guide feature selection during online retrieval phase and (3) improve the retrieval results visualization with the integration of semantic relations.During the pattern graph building, ontology modules associated to each domain are automatically built using textual corpuses and external resources. The region's graphs summarize the visual information in a condensed form and classify it given its semantics. The pattern graph is obtained using modules composition. In visual features collections building, association rules are used to deduce the best practices on visual features use for image retrieval. Finally, results visualization uses the rich information on images to improve the results presentation.Our system has been tested on three image databases. The results show an improvement in the research process, a better adaptation of the visual features to the domains and a richer visualization of the results
Dennemont, Yannick. "Une assistance à l'interaction 3D en réalité virutuelle par un raisonnement sémantique et une conscience du contexte". Thesis, Evry-Val d'Essonne, 2013. http://www.theses.fr/2013EVRY0010/document.
Texto completo da fonteTasks in immersive virtual environments are associated with 3D interaction techniques and devices (e.g. the selection of 3D objects with the virtual hand and a flystick). As environments and tasks become more and more complex, techniques can not remain the same for each application, even for every situations of a single application. A solution is to adapt the interaction depending on the situation in order to increase usability. These adaptations can be done manually by the designer or the user, or automatically by the system thus creating an adaptative interaction. Formalisation of such assistance needs the management of pertinent information regarding the situation. Those items of information make the context emerge from the interaction. The adaptative assistance obtained by reasoning on this information is then context-aware. Numerous possibilities can be used to build one. Our objective is a context management that preserves its high degrees of expressiveness and evolutivity while being easy to plug in. We have built a model for this issue using conceptual graphs based on an ontology and managed externally with a first order logic engine. The engine is generic and uses a knowledge base with facts and rules which can be dynamically changed. We have added a confidence notion, in order to establish a situation similarity to the knowledge base. Reactions’confidences are compared to their impacts so as to keep only the pertinent ones while avoiding user overload. Applications have tools that can be controlled by the engine. Sensors are used to extract semantic information for the context. Effectors are used to act upon the application and to have adaptations. A tools set and a knowledge base have been created for 3D interaction. Numerous steps have been added in the knowledge base to obtain good combinations and a reasoning independent from specific tools. Our first applications shows the situation understanding, including user interests and difficulties, and the triggering of pertinent assistances. An off-line study illustrates the access and evolution of the internal engine steps. The built generic semantic reasoning is expressive, understandable, extensive and modifiable dynamically. For 3D interaction, it allows universal assistances for the user that can be automatic, punctual or manual and off-line activities or conceptions analysis fort he designers
Allani, Atig Olfa. "Une approche de recherche d'images basée sur la sémantique et les descripteurs visuels". Thesis, Paris 8, 2017. http://www.theses.fr/2017PA080032.
Texto completo da fonteImage retrieval is a very active search area. Several image retrieval approaches that allow mapping between low-level features and high-level semantics have been proposed. Among these, one can cite object recognition, ontologies, and relevance feedback. However, their main limitation concern their high dependence on reliable external resources and lack of capacity to combine semantic and visual information.This thesis proposes a system based on a pattern graph combining semantic and visual features, relevant visual feature selection for image retrieval and improvement of results visualization. The idea is (1) build a pattern graph composed of a modular ontology and a graph-based model, (2) to build visual feature collections to guide feature selection during online retrieval phase and (3) improve the retrieval results visualization with the integration of semantic relations.During the pattern graph building, ontology modules associated to each domain are automatically built using textual corpuses and external resources. The region's graphs summarize the visual information in a condensed form and classify it given its semantics. The pattern graph is obtained using modules composition. In visual features collections building, association rules are used to deduce the best practices on visual features use for image retrieval. Finally, results visualization uses the rich information on images to improve the results presentation.Our system has been tested on three image databases. The results show an improvement in the research process, a better adaptation of the visual features to the domains and a richer visualization of the results
Livros sobre o assunto "Graphes sémantiques"
1921-, Robinson H. Alan, ed. The semantic organizer approach to writing and reading instruction. Rockville, Md: Aspen Systems Corp., 1985.
Encontre o texto completo da fonteStefan, Leue, e Systä Tarja Johanna, eds. Scenarios: Models, Transformations and Tools: International workshop, Dagstuhl Castle, Germany, September 7-12, 2003 : revised selected papers. Berlin: Springer, 2005.
Encontre o texto completo da fonteIakovidis, Dimitris, Phivos Mylonas e Evaggelos Spyrou. Semantic Multimedia Analysis and Processing. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteIakovidis, Dimitris, Phivos Mylonas e Evaggelos Spyrou. Semantic Multimedia Analysis and Processing. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteIakovidis, Dimitris, Phivos Mylonas e Evaggelos Spyrou. Semantic Multimedia Analysis and Processing. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteSemantic Multimedia Analysis and Processing. Taylor & Francis Group, 2014.
Encontre o texto completo da fonteSemantic Multimedia Analysis and Processing. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteVisualizing the semantic Web: XML-based Internet and information visualization. London: Springer, 2003.
Encontre o texto completo da fonte