Online Visual Analytics of Text Streams.
IEEE Transactions on Visualization and Computer Graphics(2016)
摘要
We present an online visual analytics approach to helping users explore and understand hierarchical topic evolution in high-volume text streams. The key idea behind this approach is to identify representative topics in incoming documents and align them with the existing representative topics that they immediately follow (in time). To this end, we learn a set of streaming tree cuts from topic trees...
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关键词
Visualization,Bayes methods,Heuristic algorithms,Data visualization,Electronic mail,Algorithm design and analysis,Clustering algorithms
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