427 search results - page 48 / 86 » Conjunctive Query Answering in EL using a Database System |
RR
2007
Springer
14 years 2 months ago
2007
Springer
Abstract. This essay describes fuzzy CARIN, a knowledge representation language combining fuzzy description logics with Horn rules. Fuzzy CARIN integrates the management of fuzzy l...
FQAS
2009
Springer
14 years 3 months ago
2009
Springer
Information extraction systems have been dealt with at length from the viewpoint of users posing definite questions whose expected answer is to be found in a document collection. T...
AMW
2009
13 years 9 months ago
2009
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
SIGMOD
2012
ACM
11 years 11 months ago
2012
ACM
While extensive work has been done on evaluating queries over tuple-independent probabilistic databases, query evaluation over correlated data has received much less attention eve...
PPDP
2010
Springer
13 years 6 months ago
2010
Springer
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...