23590 search results - page 4503 / 4718 » Algorithm Performance Contest |
216
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SIGMOD
2007
ACM
16 years 5 months ago
2007
ACM
Modern storage systems are sophisticated. Simple directattached storage devices are giving way to storage systems that are shared, flexible, virtualized and network-attached. Toda...
221
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
The original PageRank algorithm for improving the ranking of search-query results computes a single vector, using the link structure of the Web, to capture the relative "impor...
362
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SIGMOD
2006
ACM
16 years 5 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...
147
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
XML is widely praised for its flexibility in allowing repeated and missing sub-elements. However, this flexibility makes it challenging to develop a bulk algebra, which typically ...
166
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SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...