611 search results - page 58 / 123 » Querying Tree-Structured Data Using Dimension Graphs |
136
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SEMWEB
2009
Springer
15 years 6 months ago
2009
Springer
RDF is an increasingly important paradigm for the representation of information on the Web. As RDF databases increase in size to approach tens of millions of triples, and as sophis...
155
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EDBT
2012
ACM
13 years 4 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
134
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ICDE
2012
IEEE
13 years 4 months ago
2012
IEEE
—On a stream of two dimensional data items (x, y) where x is an item identifier, and y is a numerical attribute, a correlated aggregate query requires us to first apply a selec...
SAC
2004
ACM
15 years 7 months ago
2004
ACM
Understanding the relationship among different distance measures is helpful in choosing a proper one for a particular application. In this paper, we compare two commonly used dis...
114
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SEMWEB
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. The focus of web search is moving away from returning relevant documents towards returning structured data as results to user queries. A vital part in the architecture of...