Abstract: With fast development, Internet has become one of the most popular resources for information retrieval. Nevertheless, the categories of information on the Internet are so disparate that user constantly find it time consuming to retrieve precisely what they actually need. To solve the problem, the Semantic Web is emerging. Ontology as the most important foundation of the Semantic Web, is used to describe the knowledge of a specific domain. The resources online can be defined explicitly with the use of ontology. Via the description of ontology, user can not only understand and access the resources on the internet, but also make computers and other terminals access or integrate the resources automatically. Yet, the design and implementation of ontology is a time-consuming and monotonous work. As a result, to develop ontology automatically has becomes a critical issue. In this study, a temporal ontology and an event ontology was designed and implemented with OWL, and E-commerce application was discussed as an example, by extending the interval temporal logic implemented by James Allen, July 1994 and the integration of existing event ontology on W3C. Experiments regarding different scenarios have been conducted and explained in later chapters. Keyword: Ontology, Semantic Web, OWL, Temporal, Event.
Sommario Con il suo rapido sviluppo, Internet è diventata una delle risorse più importanti per il recupero delle informazioni. Tuttavia, le categorie di informazioni su Internet sono così diverse che l'utente perde molto tempo nel recuperare esattamente ciò di cui ha effettivamente bisogno. Per risolvere il problema sta emergendo il Semantic Web. L'ontologia, su cui si basa il Web Semantico, è usata per descrivere la conoscenza di un dominio specifico. Le risorse online possono essere definite esplicitamente attraverso l’ontologia. Attraverso la descrizione dell’ontologia, l'utente non solo può comprendere ed accedere alle risorse su Internet, ma anche rendere computer e altri terminali in grado di accedere alle risorse o di integrarle automaticamente. Tuttavia, la progettazione e la realizzazione di ontologie è un lavoro lungo e monotono. Per questo automatizzare lo sviluppo di ontologie è diventato un problema cruciale. In questo studio, una Ontologia temporale e una Ontologia dell’evento sono stati progettato e implementato con OWL, estendendo la “interval temporal logic” implementata da James Allen, luglio 1994, e l'integrazione con l’ontologia degli eventi presenti in W3C. Esperimenti riguardanti diversi scenari sono stati condotti e spiegati nei capitoli successivi. Parole chiavi: Ontologia, Semantic Web, OWL, temporale, eventi.
An OWL ontology of time and events
SUN, JIA QI
2010/2011
Abstract
Abstract: With fast development, Internet has become one of the most popular resources for information retrieval. Nevertheless, the categories of information on the Internet are so disparate that user constantly find it time consuming to retrieve precisely what they actually need. To solve the problem, the Semantic Web is emerging. Ontology as the most important foundation of the Semantic Web, is used to describe the knowledge of a specific domain. The resources online can be defined explicitly with the use of ontology. Via the description of ontology, user can not only understand and access the resources on the internet, but also make computers and other terminals access or integrate the resources automatically. Yet, the design and implementation of ontology is a time-consuming and monotonous work. As a result, to develop ontology automatically has becomes a critical issue. In this study, a temporal ontology and an event ontology was designed and implemented with OWL, and E-commerce application was discussed as an example, by extending the interval temporal logic implemented by James Allen, July 1994 and the integration of existing event ontology on W3C. Experiments regarding different scenarios have been conducted and explained in later chapters. Keyword: Ontology, Semantic Web, OWL, Temporal, Event.File | Dimensione | Formato | |
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2011_07_Sun_Jiaqi.pdf
Open Access dal 07/07/2012
Descrizione: Thesis Text
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https://hdl.handle.net/10589/20321