2539 search results - page 478 / 508 » Updates for Structure Indexes |
182
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SIGMOD
2009
ACM
15 years 10 months ago
2009
ACM
This tutorial presents an overview of the data management issues faced by computer games today. While many games do not use databases directly, they still have to process large am...
157
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SIGMOD
2007
ACM
15 years 9 months ago
2007
ACM
The Boolean semantics of SQL queries cannot adequately capture the "fuzzy" preferences and "soft" criteria required in non-traditional data retrieval applicati...
177
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
The reverse k-nearest neighbor (RkNN) problem, i.e. finding all objects in a data set the k-nearest neighbors of which include a specified query object, is a generalization of the...
175
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...
170
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SIGMOD
2006
ACM
15 years 9 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...