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Boardtracker adds AuthorLine visualizations to threaded discussion search service

Boardtracker is a search engine and reporting service for threaded discussions.  Recently, the BoardTracker folks implemented a visualization of author activity overtime that was inspired by work Fernanda Viegas and I did in 2003/2004 called “AuthorLines”. AuthorLine visualizations represent the weekly rates and nature of contribution from a single author over the span of a [...]
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Contrasting “climate change” and “global warming” twitter maps with NodeXL

Building on the earlier post about the twitter network maps for topics like “oil spill“, “bp“, and “solar“, here is a map of the terms “climate change” and “global warming”.  This first map is of the connections among the people who recently tweeted the term “climate change”.  There is a sizable population of  isolates, people who tweet [...]
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