Calculating Feature Importance in Data Streams with Concept Drift using Online Random Forest

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I had the privilege of presenting my work on “Calculating Feature Importance in Data Streams with Concept Drift using Online Random Forest” at IEEE Big 2014 in Washington, DC this last week. The conference was an interesting mix of presentations … Read More

CCRi Oktoberfest

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Grey skies and persistent drizzle did nothing to deter the CCRi faithful from participating in their traditional Ocktoberfest in McIntire Park. Andrew Hulbert, with later assistance from Charles’s Ott and Gibson (C²), dutifully manned the grill, producing the afternoon’s seared … Read More

Which Armstrong?

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In my last post, I described how we used Elias, an exploratory analysis tool for large-scale information extractions, to look at which (person,location) pairs are mentioned the most together, and then extended the analysis to distinguish how those entities are comentioned. Today, … Read More

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