9. A memory having computer-executable instructions embodied thereon, the computer-executable instructions to configure a computer to perform acts comprising: subspace learning for ranking; and returning a search based at least in part on the subspace learning for ranking.
9. A memory having computer-executable instructions embodied thereon, the computer-executable instructions to configure a computer to perform acts comprising: subspace learning for ranking; and returning a search based at least in part on the subspace learning for ranking. 11. The memory as recited in claim 9 wherein the subspace learning for ranking further comprises: learning from a plurality of labeled queries; and applying the learning from the labeled queries for ranking unranked documents.