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Fig. 5.21
An annotated historiograph of co-citation research (Courtesy of Eugene Garfield;
the original diagram can be found at:
http://garfield.library.upenn.edu/histcomp/cocitation small-
A cites article B, then the connection is depicted by a directed line from A to B.
HistCite depicts how often an article has been cited by making the size of the node
proportional to the number of citations.
The historiograph in Fig.
5.21
illustrates what information could be conveyed
by such diagrams. The diagram is a co-citation historiograph generated by Eugene
Garfield on HistCite's website.
2
According to Garfield, the dataset, or collection,
consists of papers that either have the words csocitation or co-citation in the titles or
cite one of three articles identified below:
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