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2012 Apr 01
1
[GSoC2012] Learning to Rank: few thoughts/issues
...ommonly used features. *Please note:* all this is in addition to the traditional features and finally we would be using *listwise/pairwise approaches*[ListMLE, et cetera] to train our models on the new set of features. Please let me know if this sounds good. *Doubt2:* *Rank Aggregation:* Now that Xappian will have >1 Learning to rank algorithms, we should look into some kind of rank aggregation as well: combining outputs by various algorithms to get a final rank ordering for results. I went though a ECML'07 paper on unsupervised method for the same[link<http://l2r.cs.uiuc.edu/~danr/Papers...