Sciweavers

1394 search results - page 237 / 279
» Executing Nested Queries
Sort
View
134
Voted
VLDB
1994
ACM
153views Database» more  VLDB 1994»
15 years 6 months ago
Optimization Algorithms for Exploiting the Parallelism-Communication Tradeoff in Pipelined Parallelism
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
Waqar Hasan, Rajeev Motwani
LILOG
1989
15 years 6 months ago
Order Sorted Predicate Logic
We propose a theory for reasoning about actions based on order-sorted predicate logic where one can consider an elaborate taxonomy of objects. We are interested in the projection ...
Arnold Oberschelp
138
Voted
FQAS
2004
Springer
122views Database» more  FQAS 2004»
15 years 6 months ago
Simplification of Integrity Constraints with Aggregates and Arithmetic Built-Ins
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...
Davide Martinenghi
135
Voted
ICLP
2010
Springer
15 years 6 months ago
Improving the Efficiency of Gibbs Sampling for Probabilistic Logical Models by Means of Program Specialization
Abstract. There is currently a large interest in probabilistic logical models. A popular algorithm for approximate probabilistic inference with such models is Gibbs sampling. From ...
Daan Fierens
147
Voted
APWEB
2008
Springer
15 years 4 months ago
Traceable P2P Record Exchange Based on Database Technologies
Information exchanges in P2P networks have become very popular in recent years. However, tracing how data circulates between peers and how data modifications are performed during t...
Fengrong Li, Yoshiharu Ishikawa