577 search results - page 35 / 116 » A Query Language for Data Access in Ubiquitous Environments |
174
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BIBM
2008
IEEE
16 years 11 days ago
2008
IEEE
Biologists are often interested to query published phylogenetic data for research purposes. PhyQL, a web-based visual phylogenetic query engine, can be quite useful on this regard...
173
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VLDB
2005
ACM
15 years 11 months ago
2005
ACM
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the sel...
170
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DAWAK
2001
Springer
15 years 10 months ago
2001
Springer
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
132
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SIGIR
1996
ACM
15 years 10 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
190
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APWEB
2004
Springer
15 years 11 months ago
2004
Springer
The management of voluminous heterogeneous resources and services in the web environment is a complex task. Semantic knowledge is playing an increasing important role in order to h...