427 search results - page 10 / 86 » Conjunctive Query Answering in EL using a Database System |
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Current approaches for answering queries with imprecise constraints require user-specific distance metrics and importance measures for attributes of interest - metrics that are ha...
DEXAW
1998
IEEE
14 years 1 months ago
1998
IEEE
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
ISCIS
2004
Springer
14 years 2 months ago
2004
Springer
One of the classic data mining problems is discovery of frequent itemsets. This problem particularly attracts database community as it resembles traditional database querying. In t...
VLDB
1997
ACM
14 years 27 days ago
1997
ACM
Information integration systems have to cope with the different and limited query interfaces of the underlying information sources. First, the integration systems need description...