305 search results - page 20 / 61 » Query Answering Using Views for Data Integration over the We... |
OTM
2005
Springer
14 years 27 days ago
2005
Springer
Abstract. Caching can highly improve performance of query processing in distributed databases. In this paper we show how this technique can be used in grid architecture where data ...
BMCBI
2007
13 years 7 months ago
2007
Background: Information resources on the World Wide Web play an indispensable role in modern biology. But integrating data from multiple sources is often encumbered by the need to...
SIGMOD
1999
ACM
13 years 11 months ago
1999
ACM
Query processing in data integration occurs over network-bound, autonomous data sources. This requires extensions to traditional optimization and execution techniques for three re...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
The problem of finding contained rewritings of queries using views is of great importance in mediated data integration systems. In this paper, we first present a general approach f...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...