Patent Document ID: 8577901
Application ID: 13250703

Base Claim:
1. A method comprising: determining, by one or more server devices and at a first time, a first position of a document with respect to a first set of documents in a first list of search results, the first position being based on a first score of the document with respect to one or more scores associated with the first set of documents in the first list of search results; determining, by at least one of the one or more server devices and at a second time, a second position of the document with respect to a second set of documents in a second list of search results, the second position being based on a second score of the document with respect to one or more scores associated with the second set of documents in the second list of search results, determining, by at least one of the one or more server devices, an amount or rate of change between the first position and the second position; generating, by at least one of the one or more server devices, a third score for the document based on the determined amount or rate of change between the first position and the second position; and ranking, by at least one of the one or more server devices, the document against at least one other document based on the third score.

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Claim 4:
4. The method of claim 1 , further comprising: receiving, based on a query, information regarding sets of documents, where at least two of the sets of documents include the document, and where determining the amount or rate of change includes: determining the amount or rate of change of the document within the at least two sets of documents.