Information Technology Reference
In-Depth Information
Fig. 9.6
The list view of Jigsaw, showing a list of authors, a list of concepts, and a list of index
terms. The input documents are papers from the InfoVis and VAST conferences
concepts on the left include network, text, animation, usability, and matrix. The
index terms highlighted on the right are much more detailed, including citation
analysis, astronomical surveys, PFNET, and SDSS. The flexibility to browse entities
and relations across multiple lists is very convenient. It supports a very common task
in exploring a dataset.
Other views in Jigsaw include a Circular Graph View, a Calendar View, a
Document Cluster View, a Document Grid View, and a Word Tree View. Jigsaw
also provides functions to compute the sentiment of a document and display the
result in a Document Grid View. Jigsaw uses lists of “positive” and “negative” words
and counts the number of occurrences in each document. The Document Grid view
represents positive documents in blue and negative documents in red. Figure
9.7
shows a Word Tree View in Jigsaw.
Perhaps the function that is most useful for an analyst is the Tablet View in
Jigsaw (See Fig.
9.8
). The Tablet functions like a sandbox where the analyst can
organize various views of the same set of documents side by side. Tablet also allows
the analyst to create a timeline and place evidence and other information along the
timeline.
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