251 search results - page 14 / 51 » Rewriting Aggregate Queries using Description Logic |
DLOG
2007
13 years 10 months ago
2007
Abstract. The DL implementation group (DIG) has specified a common interface for description logic reasoner. While the original intention was to make it easier for other tools to ...
VLDB
2001
ACM
14 years 8 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
ECOWS
2006
Springer
13 years 11 months ago
2006
Springer
In this paper, we present an approach to hybrid semantic web service matching based on both logic programming, and syntactic similarity measurement. The implemented matchmaker, ca...
DLOG
2007
13 years 10 months ago
2007
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present a decision procedure for conjunctive query...
ADBIS
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...