2724 search results - page 266 / 545 » Optimizing Queries on Files |
146
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SEBD
2007
15 years 5 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
122
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CORR
2010
Springer
15 years 4 months ago
2010
Springer
Consider a family of sets and a single set, called the query set. How can one quickly find a member of the family which has a maximal intersection with the query set? Time constra...
137
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JOT
2010
15 years 2 months ago
2010
Abstract The integration of database and programming languages is difficult due to the different data models and type systems prevalent in each field. We present a solution wher...
230
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ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
Traditional approaches for efficiently processing historical queries, where a history is a multidimensional timeseries, employ a two step filter-and-refine scheme. In the filter s...
253
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Skyline queries are well suited when retrieving data according to multiple criteria. While most previous work has assumed a centralized setting this paper considers skyline queryi...