NIRVE Features

• Graphical summary of result set of search with details on demand

• Map keywords into user-specified concepts

• Automatic clustering of documents based on their concept profiles

• Cluster icons arranged on sphere surface -- better clusters near the “North Pole”

• User can open a cluster to view constituent document titles, arranged according to title similarity and score assigned by search engine

• User can mark documents and clusters as good/bad/unsure and apply filter to result set

• User can see document text with color-coded keywords, via HTML

• User can see textual summary of all current clusters via HTML NIRVE

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