2145 search results - page 21 / 429 » Answering Queries Using Views |
OWLED
2008
13 years 8 months ago
2008
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
WEBI
2007
Springer
14 years 1 months ago
2007
Springer
In this paper, we propose document-centric query answering, a novel form of query answering for the Semantic Web. We discuss how we have built a knowledge base system to support t...
FOCS
2004
IEEE
13 years 11 months ago
2004
IEEE
We study the learning models defined in [AKST97]: Learning with equivalence and limited membership queries and learning with equivalence and malicious membership queries. We show ...
ICDT
2001
ACM
13 years 12 months ago
2001
ACM
In information-integration systems, source relations often have limitations on access patterns to their data; i.e., when one must provide values for certain attributes of a relatio...
AAAI
2010
13 years 8 months ago
2010
Conjunctive query answering is a key reasoning service for many ontology-based applications. In order to improve scalability, many Semantic Web query answering systems give up com...