736 search results - page 144 / 148 » Confidence-Aware Join Algorithms |
225
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SIGMOD
2009
ACM
16 years 3 months ago
2009
ACM
Keyword search in relational databases (RDBs) has been extensively studied recently. A keyword search (or a keyword query) in RDBs is specified by a set of keywords to explore the...
188
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SIGMOD
2008
ACM
16 years 3 months ago
2008
ACM
There has been a significant amount of excitement and recent work on column-oriented database systems ("column-stores"). These database systems have been shown to perfor...
190
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
216
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SIGMOD
2007
ACM
16 years 3 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
131
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SIGMOD
2002
ACM
16 years 3 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...