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A case for contextual data filters?

Sameer Vasta's picture

This afternoon, I had the pleasure of sitting in a session on information visualization by Ben Shneiderman of the University of Maryland Human-Computer Interaction Lab. In his presentation, Shneiderman shared one of his mantras when it comes to visualizing information:

Overview, zoom & filter, details on demand.

Open data: is it really worth it?

Sameer Vasta's picture

The launch of Data.gov last week brought back a slew of discussions on open data and the importance of opening up access to data for it to be used in new ways on the web.

One of the conversations that I haven't heard often, however, is about the true value of open data. I was talking to a friend of mine and we asked the question:

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