Search results for "Ontology language"

showing 2 items of 32 documents

HOWERD: A Hidden Markov Model for Automatic OWL-ERD Alignment

2016

The HOWERD model for estimating the most likely alignment between an OWL ontology and an Entity Relation Diagram (ERD) is presented. Automatic alignment between relational schema and ontology represents a big challenge in Semantic Web research due to the different expressiveness of these representations. A relational schema is less expressive than the ontology; this is a non trivial problem when accessing data via an ontology and for ontology storing by means of a relational schema. Existent alignment methodologies fail in loosing some contents of the involved representations because the ontology captures more semantic information, and several elements are left unaligned. HOWERD relies on a…

computer.internet_protocolComputer scienceProcess ontology02 engineering and technologyOntology (information science)computer.software_genre01 natural sciencesOWL-S0202 electrical engineering electronic engineering information engineeringUpper ontologyHidden Markov modelcomputer.programming_languageSettore ING-INF/05 - Sistemi Di Elaborazione Delle Informazionibusiness.industryComputer Science::Information RetrievalOntology-based data integration010401 analytical chemistry020207 software engineeringWeb Ontology Language0104 chemical sciencesHidden Markov models Knowledge representation languages Ontologies (artificial intelligence) Semantic Web Databases OWL ERDArtificial intelligencebusinesscomputerOntology alignmentNatural language processing2016 IEEE Tenth International Conference on Semantic Computing (ICSC)
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Working with Multiple Ontologies on the Semantic Web.

2016

The standardization of the second generation Web Ontology Language, OWL, leaves a crucial issue for Web-based ontologies unsatisfactorily resolved: how to represent and reason with multiple distinct, but linked, ontologies. OWL provides the owl:imports construct which, roughly, allows Web ontologies to include other Web ontologies, but only by merging all the linked ontologies into a single logical "space". Recent work on multidimensional logics, fusions and other combinations of modal logics, distributed and contextual logics, and the like have tried to find formalisms wherein knowledge bases (and their logic) are kept more distinct but yet affect each other. These formalisms have various …

computer.internet_protocolSemantic Web Rule LanguageComputer scienceProgramming languagebusiness.industryModal logicWeb Ontology LanguageSemantic reasonerOntology (information science)computer.software_genreOWL-SWorld Wide WebKnowledge baseOntologybusinesscomputerSemantic Webcomputer.programming_languageInternational Semantic Web Conference
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