571 search results - page 4 / 115 » Instance-Based Query Answering with Semantic Knowledge Bases |
SEMWEB
2009
Springer
14 years 2 months ago
2009
Springer
An important issue for the Semantic Web is how to combine open-world ontology languages with closed-world (non-monotonic) rule paradigms. Several proposals for hybrid languages all...
SEMWEB
2007
Springer
14 years 1 months ago
2007
Springer
Current information retrieval (IR) approaches do not formally capture the explicit meaning of a keyword query but provide a comfortable way for the user to specify information need...
SEMCO
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, we present an approach which, given a knowledge base and an appropriate text corpus, automatically induces patterns which can be used to query the knowledge base. W...
DLOG
2007
13 years 10 months ago
2007
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...
SEMWEB
2010
Springer
13 years 5 months ago
2010
Springer
We develop query relaxation techniques for regular path queries and combine them with query approximation in order to support flexible querying of RDF data when the user lacks know...