58 search results - page 1 / 12 » Aggregation and Relevance in Deductive Databases |
VLDB
1991
ACM
13 years 8 months ago
1991
ACM
In this paper we present a technique to optimize queries on deductive databases that use aggregate operations such as min, max, and “largest Ic values.” Our approach is based ...
DEDUCTIVE
1993
13 years 5 months ago
1993
This chapter discusses an extended deductive database prototype system, Q-Data, developed by Bellcore to improve data quality through data validation and cleanup. The key technolo...
FQAS
2004
Springer
13 years 8 months ago
2004
Springer
In the context of relational as well as deductive databases, correct and efficient integrity checking is a crucial issue, as, without any guarantee of data consistency, the answers...
DOOD
1991
Springer
13 years 8 months ago
1991
Springer
This paper examines the problem of adding non-deterministic constructs to a declarative database language based on Horn Clause Logic. We revise a previously proposed approach, the...
ICLP
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. Bottom-up evaluation is a central part of query evaluation / program execution in deductive databases. It is used after a source code optimization like magic sets or SLDm...