2308 search results - page 319 / 462 » A Perspective on Databases and Data Mining |
212
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EDBT
2012
ACM
13 years 9 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...
171
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KDD
2000
ACM
15 years 10 months ago
2000
ACM
Information extraction is one of the most important techniques used in Text Mining. One of the main problems in building information extraction (IE) systems is that the knowledge ...
218
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BMCBI
2006
15 years 6 months ago
2006
Background: In the Bioinformatics field, a great deal of interest has been given to Non-negative matrix factorization technique (NMF), due to its capability of providing new insig...
203
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PAKDD
2000
ACM
15 years 10 months ago
2000
ACM
Combining multiple global models (e.g. back-propagation based neural networks) is an effective technique for improving classification accuracy by reducing a variance through manipu...
180
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KDD
2009
ACM
16 years 7 months ago
2009
ACM
Motivated by structural properties of the Web graph that support efficient data structures for in memory adjacency queries, we study the extent to which a large network can be com...