Expressive querying over fuzzy DL-Lite ontologies

Jeff Z. Pan*, Giorgos Stamou, Giorgos Stoilos, Edward Thomas

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

13 Citations (Scopus)


Fuzzy Description Logics (f-DLs) have been proposed as formalisms capable of capturing and reasoning about imprecise and vague knowledge. The last years, research in Description Logics, and also in f- DLs, is largely focused on the development of languages where complexity of query answering is as efficient as query answering in data bases. One such example is the DL-Lite language and its fuzzy extension f-DL-Lite. In the current paper we present various a variety of query languages by which we can query a fuzzy DL-Lite knowledge base. Then, we present a prototype implementation for querying f-DL-Lite ontologies.

Original languageEnglish
Pages (from-to)427-434
Number of pages8
JournalCEUR Workshop Proceedings
Publication statusPublished - 1 Dec 2007
Event20th International Workshop on Description Logics, DL 2007 - Brixen/Bressanone, Italy
Duration: 8 Jun 200710 Jun 2007

Bibliographical note

This research was partially supported by (1) the FP6 Network of Excellence EC project Knowledge Web (IST-2004-507842), (2) the Advanced Knowledge Technologies (AKT6) project which is sponsored by the UK Engineering and Physical Sciences Council under grant number GR/N15764/01 and (3) the FP6 EC project X-Media (FP6-26978). Giorgos Stoilos was also partially supported by project PENED 03ED475 2003, which is cofinanced 75% of public expenditure through EC - European
Social Fund, 25% of public expenditure through Ministry of Development - General Secretariat of Research and Technology and through private sector, under measure 8.3 of OPERATIONAL PROGRAMME “COMPETITIVENESS” in the 3rd Community Support Programme.


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