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For the computation of feature weights, this paper proposed a novel approach through introducing the concept of feature significance degree on the real rough set theory. The feature significance degree could characterize the contribution of features to the decision making more objectively. The proposed approach was applied to the benchmark test sets Reuters-21578 Top10 and 20 Newsgroups to examine...
Text classification is a very important technique for gathering Web information. A novel approach based on multi-population collaborative optimization is proposed for the extraction of Web text classification rules. The information entropy was applied for the initialization of the populations and the multi-population collaborative optimization was applied for the evolution of the populations. The...
Most text classification methods are highly complicated on computation and can not be used on the occasion of classifying a large number of texts. A novel approach based on multi-population collaborative optimization was proposed for the extraction of text classification rules. The mutual information was applied to generate the initial populations and the multi-population collaborative optimization...
A system of personalized dynamic service (PDS) in digital library (DL) based on independent component analysis (ICA) was proposed and discussed in detail in order to improve the quality of personalized service to readers. Meanwhile, architectures of general PDS system and the most important subsystem were introduced. The experiments showed that better effects of books' topic classifying and readers'...
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