331 search results - page 43 / 67 » A framework for selective query expansion |
P2P
2006
IEEE
14 years 2 months ago
2006
IEEE
Large-scale distributed data management with P2P systems requires the existence of similarity operators for queries as we cannot assume that all users will agree on exactly the sa...
ICDE
2010
IEEE
14 years 1 months ago
2010
IEEE
— When a database system is extended with the skyline operator, it is important to determine the most efficient way to execute a skyline query across tables with join operations...
SIGIR
2005
ACM
14 years 2 months ago
2005
ACM
The TREC .GOV collection makes a valuable web testbed for distributed information retrieval methods because it is naturally partitioned and includes 725 web-oriented queries with ...
VLDB
2004
ACM
14 years 2 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...