3969 search results - page 555 / 794 » Query Processing Using Ontologies |
153
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
146
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IDEAS
2008
IEEE
16 years 23 days ago
2008
IEEE
In this paper we show the usefulness and feasibility of applying conventional SQL queries for analyzing a wide spectrum of data streams. As application area we have chosen the ana...
192
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CSR
2007
Springer
16 years 16 days ago
2007
Springer
Traditionally, data that has both linear and hierarchical structure, such as annotated linguistic data, is modeled using ordered trees and queried using tree automata. In this pap...
169
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VLDB
2007
ACM
16 years 14 days ago
2007
ACM
Intuitively, aggressive work sharing among concurrent queries in a database system should always improve performance by eliminating redundant computation or data accesses. We show...
307
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DAWAK
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. In this paper, we present a new approach to indexing multidimensional data that is particularly suitable for the efficient incremental processing of nearest neighbor quer...