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  • 5.1.4 Studying Four Major NetSci Researchers (ISI Data)

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Select the "361 Unique ISI Records" and run 'Data Preparation > Extract Paper Citation Network'.   Select the 'Extracted Paper-Citation Network' and run 'Data Preparation > Extract Document Co-Citation Network.' The co-citation network will have 5,335 nodes (213 of which are isolates) and 193,039 edges. Isolates can be removed by running 'Preprocessing > Networks > Delete Isolates.' The resulting network has 5122 nodes and 193,039 edges – and is too dense for display in GUESS. Edges with low weights can be eliminated by running 'Preprocessing > Networks > Extract Edges Above or Below Value' with parameter values:
     Extract from this number: 4
     Below?: # leave unchecked
     Numeric Attribute: weight      Image Added

Here, only edges with a local co-citation count of five or higher are kept. The giant component in the resulting network has 265 nodes and 1,607 edges. All other components have only one or two nodes.