951 search results - page 53 / 191 » Groupwise Processing of Relational Queries |
PVLDB
2010
14 years 8 months ago
2010
Keyword search in relational databases has been extensively studied. Given a relational database, a keyword query finds a set of interconnected tuple structures connected by fore...
EDBTW
2006
Springer
15 years 1 months ago
2006
Springer
Abstract. Most of the recent work on adaptive processing and continuous querying of data streams assume that data objects come in the form of tuples, thus relying on the relational...
SIGMOD
2001
ACM
15 years 10 months ago
2001
ACM
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
115
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ER
1999
Springer
15 years 2 months ago
1999
Springer
A Data Warehouse DW can be abstractly seen as a set of materialized views de ned over a set of remote data sources. A DW is intended to satisfy a set of queries. The views materi...
100
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ICDT
2012
ACM
13 years 9 days ago
2012
ACM
We introduce a representation system for relational data based on algebraic factorisation using distributivity of product over union and commutativity of product and union. We giv...