87 search results - page 4 / 18 » Inferring Function Semantics to Optimize Queries |
105
Voted
CIKM
2004
Springer
15 years 6 months ago
2004
Springer
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
117
Voted
ICLP
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. In this paper we describe the OnEQL system, a query engine that implements optimization techniques and evaluation strategies to speed up the evaluation time of querying a...
109
Voted
COMPSAC
1996
IEEE
15 years 5 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
119
Voted
VLDB
1987
ACM
15 years 4 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
117
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BDA
2007
15 years 2 months ago
2007
We present Pattern-by-Example (PBE), a graphical language that allows users with little or no knowledge of pattern-matching and functional programming to define complex and optim...