1. A method for providing enhanced search results in response to a search request having a search term, the search results including a plurality of document identifiers, each document identifier having a hyperlink and an abstract with a plurality of abstract terms, the method comprising: receiving a search query containing a plurality of terms; retrieving a plurality of document identifiers associated with the search query; retrieving a plurality of feedback logs associated with the search query terms, the feedback logs containing a plurality of past document identifiers previously presented to users and an indication of a user selections of the past document identifiers; identifying a plurality of contiguous phrases present in the abstract of a given past document identifier; filtering out a plurality of non-biddable phrases in the abstract; for each identified contiguous phrase, generating a popularity factor, the popularity factor based on the number of occurrences of the identified phrase in the feedback logs and the indication of a user selections of the past document identifiers; determining the relevancy factors based on the popularity factors; and generating a search results page in response to the search request for the search term where the ordering of the document identifiers is determined based on the relevancy factors.
1. A method for providing enhanced search results in response to a search request having a search term, the search results including a plurality of document identifiers, each document identifier having a hyperlink and an abstract with a plurality of abstract terms, the method comprising: receiving a search query containing a plurality of terms; retrieving a plurality of document identifiers associated with the search query; retrieving a plurality of feedback logs associated with the search query terms, the feedback logs containing a plurality of past document identifiers previously presented to users and an indication of a user selections of the past document identifiers; identifying a plurality of contiguous phrases present in the abstract of a given past document identifier; filtering out a plurality of non-biddable phrases in the abstract; for each identified contiguous phrase, generating a popularity factor, the popularity factor based on the number of occurrences of the identified phrase in the feedback logs and the indication of a user selections of the past document identifiers; determining the relevancy factors based on the popularity factors; and generating a search results page in response to the search request for the search term where the ordering of the document identifiers is determined based on the relevancy factors. 2. The method of claim 1 , wherein the determining of a plurality of contiguous phrases further includes: filtering out a plurality of noise terms in the abstracts.