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Questions on how to represent real-world or non computer science problems with computer science tools.

4
votes
First a bit about the classifier: The knn classifier works by majority voting. It takes an input record, finds the k nearest labeled data points, looks at the class labels on each data point and assig …
answered Apr 3 '12 by Nick
10
votes
There is a lot of work done on this problem as the popularity of social networking has taken off. The problem is typically termed "Link Prediction" and very good and comprehensive surveys can be found …
answered Apr 4 '12 by Nick