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Several studies have been developed over the years in the areas of Text Mining, Social Network Analysis and Detection of Communities. In this paper, we present a new technique for community detection in social networking using the conversation of users in a social network. We showed that the proposal performed very well for a specific theme for defining a community and performed well for joint themes...
This paper presents a hybrid filter-wrapper approach to sentiment polarity classification. It is a two-phase feature selection method that differs from other approaches in a main aspect: an initial preprocessing step with typical data mining filters. After applying such filters, a wrapper-based feature selection method, which integrates the genetic algorithm and the support vector machine classifier,...
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