521 search results - page 20 / 105 » Answering Queries by Semantic Caches |
SUM
2007
Springer
15 years 4 months ago
2007
Springer
Abstract. We present the Consistency Extractor System (ConsEx) that uses answer set programming to compute consistent answers to first-order queries posed to relational databases ...
ICDE
1998
IEEE
15 years 2 months ago
1998
IEEE
Query folding is a technique for determining how a query may be answered using a given set of resources, which may include materialized views, cached results of previous queries, ...
CORR
2011
Springer
14 years 4 months ago
2011
Springer
Contemporary use of the term ’intension’ derives from the traditional logical doctrine that an idea has both an extension and an intension. In this paper we introduce an intens...
FQAS
2004
Springer
15 years 3 months ago
2004
Springer
Abstract. There is currently great interest in integrating knowledge discovery research into mainstream database systems. Such an enterprise is nontrivial because knowledge discove...
DLOG
2007
15 years 5 days ago
2007
We present a query answering technique based on notions and results from modal Correspondence Theory. It allows us to answer a wide family of conjunctive queries by polynomial redu...