951 search results - page 71 / 191 » Groupwise Processing of Relational Queries |
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
Query length in best-match information retrieval (IR) systems is well known to be positively related to effectiveness in the IR task, when measured in experimental, non-interactiv...
LAWEB
2005
IEEE
15 years 3 months ago
2005
IEEE
The concurrent growth of on-line communities exhibiting large-scale social structure, and of large decentralized peer-to-peer file-sharing systems, has stimulated new interest in...
ICDE
2010
IEEE
15 years 9 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
CIKM
2005
Springer
15 years 3 months ago
2005
Springer
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
PODS
2010
ACM
15 years 3 months ago
2010
ACM
The notion of certain answers arises when one queries incompletely specified databases, e.g., in data integration and exchange scenarios, or databases with missing information. W...