2095 search results - page 236 / 419 » Modeling and Querying Semi-structured Data |
169
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FMLDO
1990
Springer
15 years 10 months ago
1990
Springer
Object-oriented database systems (ooDBMSs) are supposed to offer at least the functionality available in commercial relational DBMSs of today. One important consequence of this is...
195
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DASFAA
2006
IEEE
16 years 16 days ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...
167
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CIKM
2005
Springer
16 years 1 days ago
2005
Springer
The detection of new information in a document stream is an important component of many potential applications. In this paper, a new novelty detection approach based on the identi...
185
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PVLDB
2008
15 years 6 months ago
2008
Graphs are widely used to model complicated data semantics in many applications. In this paper, we aim to develop efficient techniques to retrieve graphs, containing a given query...
203
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DBPL
1993
Springer
15 years 10 months ago
1993
Springer
In this paper we study the expressive power of query languages for nested bags. We de ne the ambient bag language by generalizing the constructs of the relational language of Brea...