1860 search results - page 322 / 372 » A Model of Queries for Object-Oriented Databases |
WWW
2004
ACM
16 years 1 months ago
2004
ACM
Maximizing only the relevance between queries and documents will not satisfy users if they want the top search results to present a wide coverage of topics by a few representative...
133
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SIGMOD
2003
ACM
16 years 21 days ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
92
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EDBT
2010
ACM
15 years 7 months ago
2010
ACM
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
126
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JCDL
2009
ACM
15 years 7 months ago
2009
ACM
We propose a generative model based on latent Dirichlet allocation for mining distinct topics in document collections by integrating the temporal ordering of documents into the ge...
107
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VLDB
2007
ACM
15 years 6 months ago
2007
ACM
Uncertain data are inherent in some important applications. Although a considerable amount of research has been dedicated to modeling uncertain data and answering some types of qu...