3969 search results - page 152 / 794 » Query Processing Using Ontologies |
149
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DASFAA
2009
IEEE
15 years 9 months ago
2009
IEEE
In recent years, data provenance or lineage tracing which refers to the process of tracing the sources of data, data movement between databases, and annotations written for data ha...
143
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PVLDB
2010
14 years 9 months ago
2010
Top-k spatial preference queries return a ranked set of the k best data objects based on the scores of feature objects in their spatial neighborhood. Despite the wide range of loc...
244
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ICDE
2008
IEEE
16 years 4 months ago
2008
IEEE
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
125
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SSD
2005
Springer
15 years 8 months ago
2005
Springer
Spatial data are particularly useful in mobile environments. However, due to the low bandwidth of most wireless networks, developing large spatial database applications becomes a c...
109
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JCDL
2006
ACM
15 years 9 months ago
2006
ACM
Currently in document retrieval there are many algorithms each with different strengths and weakness. There is some difficulty, however, in evaluating the impact of the test quer...