324 search results - page 1 / 65 » Adapting to Source Properties in Processing Data Integration... |
SIGMOD
2004
ACM
14 years 4 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
GCC
2007
Springer
13 years 10 months ago
2007
Springer
Data integration has evolved to provide efficient data management across distributed and heterogeneous data sources in grid environment. However, existing works in data integratio...
SIGMOD
1999
ACM
13 years 8 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...
SIGMOD
1995
ACM
13 years 8 months ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
ICDE
2005
IEEE
13 years 10 months ago
2005
IEEE
Current federated systems deploy cost-based query optimization mechanisms; i.e., the optimizer selects a global query plan with the lowest cost to execute. Thus, cost functions in...