Knowledge bases Preferences Animal food product Knowledge representation Conjunctive Queries with Negation AI Applications Expert knowledge Homomorphisme OWL Algorithms Informatique Graphes conceptuels Intelligence Artificielle Algorithme Deduction Argumentation Framework Description Logics Ontologies Ontology Datalog+ Decision Support System Reverse engineering Outil d'aide à la décision Reasoning Existential rules Query rewriting Knowledge base Agroalimentaire Algorithm Data integration Ontologie Artificial Intelligence CONCEPTUAL GRAPHS Annotation Rules ASPIC+ Linked data RDFS Graphs Flexible querying Information integration Web sémantique Decision making Decision support Knowledge Representation SPARQL Conceptual Graphs Decision support system Sustainability Conceptual graph Knowledge management Analyse multicritère Graphes Règles existentielles Query answering Query language Logic-based argumentation Déduction Intelligence artificielle Negation Inconsistency First-order logic Existential Rules Knowledge Representation and Reasoning Graphes Conceptuels Complexity Information extraction RDF Heuristics Représentation des connaissances TGD Selection criterion Chase Food packaging Argumentation TOPIC MAPS Argumentation framework Agent-based simulation Aide à la décision Decidability Explanation Semantic Web Alternative Databases Agrifood chain control Knowledge integration Homomorphism Backward chaining Artificial intelligence Critère de choix Conceptual graphs Ontology-Based Data Access Semantic web Argumentation systems Acyclicity Conceptual Graph Experiments Base de connaissances Modeling