43 search results - page 5 / 9 » Expressive Querying over Fuzzy DL-Lite Ontologies |
PVLDB
2010
14 years 8 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...
SSDBM
1999
IEEE
15 years 2 months ago
1999
IEEE
Conducting bioinformatic analyses involves biologists in expressing requests over a range of highly heterogeneous information sources and software tools. Such activities are labor...
AICOM
2004
14 years 9 months ago
2004
Abstract. In the framework of possibility theory, a tool named `fuzzy pattern matching' (FPM) has been proposed in the eighties and since successfully used in flexible queryin...
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DLOG
2011
14 years 1 months ago
2011
In this paper we present a formal framework and tool supporting the user in the task of formulating a precise query – which best captures their information needs – even in the ...
AMW
2010
14 years 11 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...