146
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AMW
15 years 12 days ago
2010 
SPARQL currently does not include any form of nested queries. In this paper we present a proposal to incorporate nested queries into SPARQL along the design philosophy of SQL neste...
104
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AMW
15 years 2 months ago
2010 
Abstract. A large volume of data with complex structures is currently represented in GML (Geography Markup Language) for storing and exchanging geographic information. As the size ...
125
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AMW
15 years 2 months ago
2010 
Discovering the patterns in evolving data streams is a very important and challenging task. In many applications, it is useful to detect the dierent patterns evolving over time and...
106
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AMW
15 years 2 months ago
2010
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
102
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AMW
15 years 2 months ago
2010 
This paper introduces a set of challenges for developing a dissemination service over a Web collaborative network. We define specific metrics for working on a co-authorship researc...
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Knowledge Management