446 search results - page 59 / 90 » Formal concept analysis based on hierarchical class analysis |
121
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GEOS
2005
Springer
15 years 6 months ago
2005
Springer
Abstract. Conceptual Graphs are a very powerful knowledge and meaning representation formalism grounded on deep philosophical, linguistic and object oriented principles [1], [2]. C...
82
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CAIP
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. In this paper, we introduce a prototype-based clustering algorithm dealing with graphs. We propose a hypergraph-based model for graph data sets by allowing clusters overl...
119
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CIBB
2008
2008
Unsupervised Stability-Based Ensembles to Discover Reliable Structures in Complex Bio-molecular Data
15 years 2 months ago
The assessment of the reliability of clusters discovered in bio-molecular data is a central issue in several bioinformatics problems. Several methods based on the concept of stabil...
72
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FLAIRS
2007
15 years 2 months ago
2007
In this paper we discuss a rigorous foundation of similarity reasoning based on the concept of utility. If utility is formulated in mathematical terms it can serve as a formal spe...
138
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GFKL
2007
Springer
15 years 4 months ago
2007
Springer
Kernel methods offer a flexible toolbox for pattern analysis and machine learning. A general class of kernel functions which incorporates known pattern invariances are invariant d...