765 search results - page 99 / 153 » Query Processing over Incomplete Autonomous Databases |
PVLDB
2008
14 years 9 months ago
2008
Estimates of predicate selectivities by database query optimizers often differ significantly from those actually encountered during query execution, leading to poor plan choices a...
CIKM
2009
Springer
15 years 1 months ago
2009
Springer
Keyword search techniques that take advantage of XML structure make it very easy for ordinary users to query XML databases, but current approaches to processing these queries rely...
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...
WEBDB
2010
Springer
15 years 3 months ago
2010
Springer
Wikipedia has become an important source of information which is growing very rapidly. However, the existing infrastructure for querying this information is limited and often igno...
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ICDT
2010
ACM
15 years 7 months ago
2010
ACM
The work reported here lays the foundations of data exchange in the presence of probabilistic data. This requires rethinking the very basic concepts of traditional data exchange, ...