649 search results - page 115 / 130 » Improved and Optimized Partitioning Techniques in Database Q... |
109
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DASFAA
2010
IEEE
15 years 5 months ago
2010
IEEE
We address the problem of skyline query processing for a count-based window of continuous streaming data that involves both totally- and partially-ordered attribute domains. In thi...
132
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DEXA
1998
Springer
15 years 5 months ago
1998
Springer
Abstract. To achieve acceptable query response times in data warehouse environments, the data have to be pre-aggregated according to the need of the applications and stored redunda...
127
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EDBT
2008
ACM
16 years 2 months ago
2008
ACM
There has been much recent interest in on-line data mining. Existing mining algorithms designed for stored data are either not applicable or not effective on data streams, where r...
135
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SIGMOD
2010
ACM
15 years 6 months ago
2010
ACM
Edit distance based string similarity join is a fundamental operator in string databases. Increasingly, many applications in data cleaning, data integration, and scientific compu...
122
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ADC
2004
Springer
15 years 7 months ago
2004
Springer
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...