6905 search results - page 259 / 1381 » Querying Multidimensional Databases |
203
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VLDB
2007
ACM
16 years 22 days ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
156
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BTW
2005
Springer
16 years 5 days ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
214
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Similarity search in large time series databases has attracted much research interest recently. It is a difficult problem because of the typically high dimensionality of the data....
156
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
We study the recurrence dynamics of queries in Web search by analysing a large real-world query log dataset. We find that query frequency is more useful in predicting collective ...