245
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ICDE
13 years 3 months ago
2012 IEEE 
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
134
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ICDE
13 years 3 months ago
2012 IEEE 
—When comparing clustering results, any evaluation metric breaks down the available information to a single number. However, a lot of evaluation metrics are around, that are not ...
138
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ICDE
13 years 3 months ago
2012 IEEE 
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
127
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ICDE
13 years 3 months ago
2012 IEEE
— XML is commonly supported by SQL database systems. However, existing mappings of XML to tables can only deliver satisfactory query performance for limited use cases. In this pa...
163
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ICDE
13 years 11 months ago
2012 IEEE 
Top-k pairs queries have received significant attention by the research community. k-closest pairs queries, k-furthest pairs queries and their variants are among the most well stu...
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