142 search results - page 7 / 29 » On Conjunctive Query Answering in EL |
VLDB
2003
ACM
14 years 10 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...
ICDT
2012
ACM
12 years 6 days ago
2012
ACM
The problems of query containment, equivalence, and minimization are recognized as very important in the context of query processing, specifically of query optimization. In their...
PAKDD
2004
ACM
14 years 3 months ago
2004
ACM
Inductive queries are queries to an inductive database that generate a set of patterns in a data mining context. Inductive querying poses new challenges to database and data mining...
ICDT
2007
ACM
14 years 4 months ago
2007
ACM
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
We define a framework for static optimization of sliding window conjunctive queries over infinite streams. When computational resources are sufficient, we propose that the goal of...