2674 search results - page 332 / 535 » Data Models and Query Languages for Spatial Databases |
172
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DBPL
2003
Springer
15 years 11 months ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
160
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CORR
2007
Springer
15 years 6 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
194
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ADBIS
2006
Springer
16 years 17 days ago
2006
Springer
Abstract. In this paper, we identify issues and present solutions developed – both theoretical and experimental – during the course of developing a data stream management syste...
162
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ADC
2008
Springer
16 years 28 days ago
2008
Springer
Several XML query languages have been proposed that use XPath expressions to locate data. But XPath expressions might miss some data because of irregularities in the data and sche...
169
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Recent work in supervised learning of term-based retrieval models has shown significantly improved accuracy can often be achieved via better model estimation [2, 10, 11, 17]. In ...