60 search results - page 8 / 12 » A pruning-based approach for supporting Top-K join queries |
ADBIS
2006
Springer
15 years 3 months ago
2006
Springer
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
108
click to vote
CORR
2011
Springer
14 years 1 months ago
2011
Springer
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information ab...
DMDW
2000
14 years 11 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
SIGMOD
1999
ACM
15 years 1 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...
126
click to vote
VLDB
1995
ACM
15 years 1 months ago
1995
ACM
Parallel database systems have to support the effective parallelization of complex queries in multi-user mode, i.e. in combination with inter-query/inter-transaction parallelism. ...