Ontologie
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Thesaurus
The Product Types Ontology: Use Wikipedia pages for describing products or services with GoodRelations
On this page: Usage Examples schema.org/Microdata Facebook OGP RDF/XML Dump FAQs Caching Policy License Contact Information Acknowledgments References This service provides ca. 300,000 precise definitions for types of product or services that extend the schema.org and GoodRelations standards for e-commerce markup, e.g. GoodRelations is a standardized vocabulary (also known as "schema", "data dictionary", or "ontology") for product, price, and company data that can (1) be embedded into existing static and dynamic Web pages and that (2) can be processed by other computers. This increases the visibility of your products and services in the latest generation of search engines, recommender systems, and other novel applications. schema.org is an entry-level alternative for marking up pages for search engines.
Modeling Online Presence With the appearance of instant messaging (IM) tools and Social Web sites, most notably Social Networks, Internet faced a proliferation of social activities among users. On a typical service that offers some form of social interactions, users present themselves to their contacts by maintaining user profiles.
The Online Presence Project
Ontologie, thésaurus, taxonomie et Web sémantique - 2004-03-19 - Carnet Web Karl
Comme cela arrive souvent, on me pose des questions par courrier électronique qui sont intéressantes mais dont je n'ai pas forcément la réponse immédiate donc cela demande beaucoup de recherche et de lectures. Ce n'est pas trop un problème car la question était fort intéressante. Je ne vais pas citer le nom de l'auteur du courrier sauf s'il m'y autorise. Quelle est la différence entre ontologie et thésaurus ? En fait la question exacte est : une ontologie correspond ni plus ni moins à ce que les documentalistes [...] appelaient un thésaurus.