1782 search results - page 144 / 357 » Processing Queries over Distributed XML Databases |
WEBDB
2009
Springer
14 years 4 months ago
2009
Springer
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
VLDB
2002
ACM
13 years 10 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
We propose efficient techniques for processing various TopK count queries on data with noisy duplicates. Our method differs from existing work on duplicate elimination in two sign...
ICDE
1999
IEEE
14 years 11 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
EUROPAR
2008
Springer
14 years 1 days ago
2008
Springer
Abstract. Distributed moving object database servers are a feasible solution to the scalability problem of centralized database systems. In this paper we propose a distributed inde...