By a News Reporter-Staff News Editor at Information Technology Newsweekly -- Investigators publish new report on Information Technology. According to news reporting originating in Boras, Sweden, by VerticalNews journalists, research stated, "Based on real-world user demands, we demonstrate how animated visualization of evolving text corpora displays the underlying dynamics of semantic content. To interpret the results, one needs a dynamic theory of word meaning."
The news reporters obtained a quote from the research from the University of Boras, "We suggest that conceptual dynamics as the interaction between kinds of intellectual and emotional content and language is key for such a theory. We demonstrate our method by two-way seriation, which is a popular technique to analyze groups of similar instances and their features as well as the connections between the groups themselves. The two-way seriated data may be visualized as a two-dimensional heat map or as a three-dimensional landscape in which color codes or height correspond to the values in the matrix. In this article, we focus on two-way seriation of sparse data in the Reuters-21568 test collection. To achieve a meaningful visualization, we introduce a compactly supported convolution kernel similar to filter kernels used in image reconstruction and geostatistics. This filter populates the high-dimensional sparse space with values that interpolate nearby elements and provides insight into the clustering structure."
According to the news reporters, the research concluded: "We also extend two-way seriation to deal with online updates of both the row and column spaces and, combined with the convolution kernel, demonstrate a three-dimensional visualization of dynamics."
For more information on this research see: Demonstrating Conceptual Dynamics in an Evolving Text Collection. Journal of the American Society for Information Science and Technology, 2013;64(12):2564-2572. Journal of the American Society for Information Science and Technology can be contacted at: Wiley-Blackwell, 111 River St, Hoboken 07030-5774, NJ, USA. (Wiley-Blackwell - www.wiley.com/; Journal of the American Society for Information Science and Technology - onlinelibrary.wiley.com/journal/10.1002/(ISSN)1532-2890)
Our news correspondents report that additional information may be obtained by contacting S. Daranyi, Univ Boras, Swedish Sch Lib & Informat Sci, S-50190 Boras, Sweden.
Keywords for this news article include: Boras, Sweden, Europe, Information Technology
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