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157
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CIMCA
2005
IEEE
15 years 12 months ago
2005
IEEE
Estimating the optimal number of clusters for a dataset is one of the most essential issues in cluster analysis. An improper pre-selection for the number of clusters might easily ...
173
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JCDL
2005
ACM
15 years 12 months ago
2005
ACM
In this paper we discuss the architecture of a tool designed to help users develop vertical search engines in different domains and different languages. The design of the tool is ...
155
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SIGMOD
1994
ACM
15 years 10 months ago
1994
ACM
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
129
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LREC
2008
15 years 7 months ago
2008
Polarizing discussions about political and social issues are common in mass media. Annotations on the degree to which a sentence expresses an ideological perspective can be valuab...
126
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KI
2008
Springer
15 years 6 months ago
2008
Springer
In the paper practical issues concerning the use of UML as a knowledge representation method for rules are discussed. A proposal of an UML-based representation for the XTT structur...