Provalis Research has announced the release of WordStat 5.1, Provalis Research's text mining and content analysis tool. WordStat allows analysis of large collections of unstructured data such as open-ended responses, customers' feedback, interview transcripts, technical reports, legal documents, speeches, and articles. This environment provides support to numerous text mining tasks including taxonomy building, automatic tagging and retrieval, categorization and classification of documents, and knowledge discovery, as well as quantitative and qualitative content analysis.

New Features of WordStat 5.1 include: an improved phrase extraction routine with built-in cross-tabulation, overlap identification, and filtering; the addition of more flexible feature selection and classification routines to the automatic document classification module; visualization tools (bar charts, pie charts, correspondence plots); enhanced support for disambiguation rules in KWIC list; and performance improvements and enhanced ergonomics. Users can download a free fully functional version of WordStat from the Web site.

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