Displaying 1 result from an estimated 1 matches for "letor_rank".
2016 Jun 29
2
xapian-letor: FeatureVector discussion
...ining/ranking or as deafult set).
At present, letor is mostly centred around RankList (for both training and
ranking), whereas RankList is just a vector of FeatureVectors corresponding
to a qid. Having RankList in ranking has no meaning since qid isn't
required once the training part is over. (letor_rank(*) method in
letor_internal.cc supplies a junk qid to the RankList while performing the
ranking, which points out that the RankList approach isn't quite correct).
Hence, RankList can be completely eliminated and instead we can have
FeatureVector work on top of FeatureManager directly. Am I rig...