1779 search results - page 99 / 356 » Views in Object-Oriented Databases |
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
Abstract-- Workflow systems have become increasingly popular for managing experiments where many bioinformatics tasks are chained together. Due to the large amount of data generate...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
PODS
2005
ACM
14 years 9 months ago
2005
ACM
We investigate the question of whether a query can be answered using a set V of views. We first define the problem in information-theoretic terms: we say that V determines if V pr...
ICDT
2005
ACM
14 years 2 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
ADBIS
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. Query rewriting method is proposed for the heterogeneous information integration infrastructure formed by the subject mediator environment. Local as View (LAV) approach t...