3. The method as recited in claim 2 , wherein the ranking features of each of the plurality of labeled matches further comprise: match features for which attributes of the dating profile of the corresponding one of the second set of members of the dating website match corresponding attributes in the query of the first member of the dating website; and wherein the ranking features of each of the unlabeled matches further comprise: match features for which attributes of the dating profile of the corresponding one of the first set of members of the dating website match the corresponding attributes in the query of the first member of the dating website.
2. The method as recited in claim 1 , wherein the ranking features of each of the plurality of labeled matches further comprise at least one selected from a group consisting of: a query of the first member of the dating website and a query of the corresponding one of the second set of members of the dating website; and wherein the ranking features of each of the unlabeled matches further comprise at least one selected from a group consisting of: the query of the first member of the dating website and a query of the corresponding one of the first set of members of the dating website.