Sciweavers

236 search results - page 10 / 48
» join 2006
Sort
View
BNCOD
2006
55views Database» more  BNCOD 2006»
13 years 8 months ago
On the Optimal Ordering of Maps, Selections, and Joins Under Factorization
We examine the problem of producing the optimal evaluation order for queries containing joins, selections, and maps. Specifically, we look at the case where common subexpressions i...
Thomas Neumann, Sven Helmer, Guido Moerkotte
WWW
2006
ACM
14 years 7 months ago
Semantic link based top-K join queries in P2P networks
An important issue arising from Peer-to-Peer applications is how to accurately and efficiently retrieve a set of K best matching data objects from different sources while minimizi...
Jie Liu, Liang Feng, Chao He
SAC
2006
ACM
14 years 20 days ago
Imprecise RDQL: towards generic retrieval in ontologies using similarity joins
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Abraham Bernstein, Christoph Kiefer
FQAS
2006
Springer
186views Database» more  FQAS 2006»
13 years 10 months ago
Project-Join-Repair: An Approach to Consistent Query Answering Under Functional Dependencies
Consistent query answering is the term commonly used for the problem of answering queries on databases that violate certain integrity constraints. We address this problem for univ...
Jef Wijsen
ECOOP
2006
Springer
13 years 10 months ago
Design-Based Pointcuts Robustness Against Software Evolution
Aspect-Oriented Programming (AOP) is a powerful technique to better modularize object-oriented programs by introducing crosscutting concerns in a safe and noninvasive way. Unfortu...
Walter Cazzola, Sonia Pini, Massimo Ancona