I am slightly biased since my favorites were the onces that were applied to social networks: 1) A social network caught in the Web. 2) Evaluating similarity mea

I am slightly biased since my favorites were the onces that were applied to social networks: 1) A social network caught in the Web. 2) Evaluating similarity measures: a large-scale study in the orkut social network. I also loved this other research paper I read yesterday on collaborative intelligence, "Item-based Collaborative Filtering Recommendation Algorithms" available at http://www.paulperry.net/notes/cf.asp - Jawad Shuaib