951 search results - page 85 / 191 » Groupwise Processing of Relational Queries |
108
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CIKM
2010
Springer
14 years 8 months ago
2010
Springer
Query recommendation has been recognized as an important mean to help users search and also improve the usability of search engines. Existing approaches mainly focus on helping us...
151
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
Optimizing SQL subqueries has been an active area in database research and the database industry throughout the last decades. Previous work has already identified some approaches ...
172
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SIGMOD
2006
ACM
15 years 10 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
SSD
2009
Springer
15 years 2 months ago
2009
Springer
We introduce TOQL, a query language for querying time information in ontologies. TOQL is a high level query language that handles ontologies almost like relational databases. Queri...