1709 search results - page 118 / 342 » Comparing the Performance of Database Selection Algorithms |
138
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DEXA
2006
Springer
15 years 8 months ago
2006
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Recently, Lu et al. [7] proposed the TJFast algorithm ...
130
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EDBT
2006
ACM
16 years 5 months ago
2006
ACM
Navigational queries on Web-accessible life science sources pose unique query optimization challenges. The objects in these sources are interconnected to objects in other sources, ...
175
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IPPS
2006
IEEE
15 years 11 months ago
2006
IEEE
Because of the growing use of multimedia content over Internet, Content-Based Image Retrieval (CBIR) has recently received a lot of interest. While accurate search techniques base...
256
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ICDE
2001
IEEE
16 years 6 months ago
2001
IEEE
We study the problem of approximately answering aggregation queries using sampling. We observe that uniform sampling performs poorly when the distribution of the aggregated attrib...
118
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ICIAR
2005
Springer
15 years 10 months ago
2005
Springer
A method for color indexing is proposed that is based upon nonparametric statistical techniques. Nonparametrics compare the ordinal rankings of sample populations, and maintain the...