9687 search results - page 1638 / 1938 » On Natural Mobility Models |
252
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VLDB
2007
ACM
16 years 7 months ago
2007
ACM
This paper analyzes the performance of concurrent (index) scan operations in both record (NSM/PAX) and column (DSM) disk storage models and shows that existing scheduling policies...
270
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Orion is a state-of-the-art uncertain database management system with built-in support for probabilistic data as first class data types. In contrast to other uncertain databases, ...
230
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...
188
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
QURSED enables the development of web-based query forms and reports (QFRs) that query and report semistructured XML data, i.e., data that are characterized by nesting, irregularit...
182
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Abstract. The retrieval of objects from a multimedia database employs a measure which defines a similarity score for every pair of objects. The measure should effectively follow th...