Co-Director Network Data Files in GEXF and JSON from OpenCorporates Data via Scraperwiki and networkx

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I’ve been tinkering with OpenCorporates data again, tidying up the co-director scraper described in Corporate Sprawl Sketch Trawls Using OpenCorporates (the new scraper is here: Scraperwiki: opencorporates trawler) and thinking a little about working with the data as a graph/network.

What I’ve been focussing on for now are networks that show connections between directors and companies, something we might imagine as follows:

comapny director netwrok

In this network, the blue circles represent companies and the red circles directors. A line connecting a director with a company says that the director is a director of that company. So for example, company C1 has just one director, specifically D1; and director D2 is director of companies C2 and C3, along with director D3.

It’s easy enough to build up a graph like this from a list of “company-director” pairs (or “relations”). These can be described using a simple two column data format, such…

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