1709 search results - page 189 / 342 » Comparing the Performance of Database Selection Algorithms |
197
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DEXA
2004
Springer
15 years 11 months ago
2004
Springer
: In this paper, we propose a framework, called XAR-Miner, for mining ARs from XML documents efficiently and effectively. In XAR-Miner, raw XML data are first transformed to either...
150
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BTW
2007
Springer
16 years 15 days ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...
278
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
We address the problem of executing continuous multiway join queries in unpredictable and volatile environments. Our query class captures windowed join queries in data stream syst...
178
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
We consider the problem of pipelined filters, where a continuous stream of tuples is processed by a set of commutative filters. Pipelined filters are common in stream applications...
173
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
On-Line Analytical Processing (OLAP) based on a dimensional view of data is being used increasingly for the purpose of analyzing very large amounts of data. To improve query perfo...