Github just announced their own version of the Netflix Prize. Instead of predicting movie ratings, Github wants you to suggest repositories for users to watch. This is different from the Netflix Prize in a number of ways: a user watching a repo is similar to a user visiting a page from a search engine – [...]
Archive for 30 July 2009
Github announces recommender system contest
Posted: 30 July 2009 in UncategorizedTags: contests, github, netflix prize, recommender systems
1
Updates to lda-ruby gem
Posted: 30 July 2009 in UncategorizedTags: c, computational linguistics, latent dirichlet allocation, lda, machine learning, nlp, ruby, rubygems, topic modeling
A while back I ported David Blei’s lda-c code for performing Latent Dirichlet Allocation to Ruby. Basically I just wrapped the C methods in a Ruby class, turned it into a gem, and called it a day. The result was a bit ugly and unwieldy, like most research code. A few months later, Todd Fisher [...]
