568 search results - page 55 / 114 » Query by table |
TKDE
2010
14 years 4 months ago
2010
The sparse data is becoming increasingly common and available in many real-life applications. However, relative little attention has been paid to effectively model the sparse data ...
SIGMOD
2009
ACM
15 years 4 months ago
2009
ACM
The state of the art commercial query optimizers employ cost-based optimization and exploit dynamic programming (DP) to find the optimal query execution plan (QEP) without evalua...
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SIGMOD
2007
ACM
15 years 10 months ago
2007
ACM
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
ICDIM
2007
IEEE
15 years 1 months ago
2007
IEEE
We propose an XML storage scheme based on Document Table Model (DTM) which expresses an XML document as a table form. When performing query processing on large scale XML data, XML...
DAWAK
2000
Springer
15 years 2 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...