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- W2031194633 abstract "The ongoing exponential growth of online information sources has led to a need for reliable and efficient algorithms for text clustering. In this paper, we propose a novel text model called the relational text model that represents each sentence as a binary multirelation over a concept space documentclass{article}usepackage{amssymb}pagestyle{empty}begin{document}${mathcal{C}}$end{document}. Through usage of the smart indexing engine (SIE), a patented technology of the Belgian company i.Know, the concept space adopted by the text model can be constructed dynamically. This means that there is no need for an a priori knowledge base such as an ontology, which makes our approach context independent. The concepts resulting from SIE possess the property that frequency of concepts is a measure for relevance. We exploit this property with the development of the CR-algorithm. Our approach relies on the representation of a data set documentclass{article}usepackage{amssymb}pagestyle{empty}begin{document}${mathcal{D}}$end{document} as a multirelation, of which k-cuts can be taken. These cuts can be seen as sets of relevant patterns with respect to the topics that are described by documents. Analysis of dependencies between patterns allows to produce clusters, such that precision is sufficiently high. The best k-cut is the one that best approximates the estimated number of clusters to ensure recall. Experimental results on Dutch news fragments show that our approach outperforms both basic and advanced methods. © 2012 Wiley Periodicals, Inc." @default.
- W2031194633 created "2016-06-24" @default.
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- W2031194633 date "2012-08-27" @default.
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- W2031194633 title "Concept-relational text clustering" @default.
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- W2031194633 doi "https://doi.org/10.1002/int.21557" @default.
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