721 search results - page 93 / 145 » Supporting top-k join queries in relational databases |
152
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ICDE
1997
IEEE
15 years 11 months ago
1997
IEEE
We propose a data model and a few algebraic operations that provide semantic foundation to multidimensional databases. The distinguishing feature of the proposed model is the symm...
OOPSLA
2007
Springer
15 years 3 months ago
2007
Springer
Current real-world software applications typically involve heavy use of relational and XML data and their query languages. Unfortunately object-oriented languages and database que...
149
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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 ...
158
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VLDB
2008
ACM
15 years 10 months ago
2008
ACM
This paper studies aggregate search in transaction time databases. Specifically, each object in such a database can be modeled as a horizontal segment, whose y-projection is its s...
CORR
2007
Springer
14 years 9 months ago
2007
Springer
Data mining is a useful decision support technique that can be used to discover production rules in warehouses or corporate data. Data mining research has made much effort to appl...