25. A computing system, comprising: one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, the one or more programs comprising instructions for: identifying a plurality of newly crawled documents, wherein a respective document in the plurality of newly crawled document is associated with a query independent score; identifying (i) a newly crawled document in the plurality of newly crawled documents, and (ii) a first query independent score associated with the newly crawled document; and determining a first equivalence class, from among a plurality of equivalence classes, for the newly crawled document based upon a fingerprint for the newly crawled document, wherein the first equivalence class comprises a plurality of documents, each document in the plurality of documents is uniquely associated with a respective query independent score, and the fingerprint of the newly crawled document indicates that the newly crawled document is substantially identical to each document in the plurality of documents.
25. A computing system, comprising: one or more processors; memory; and one or more programs, wherein the one or more programs are stored in the memory and are configured to be executed by the one or more processors, the one or more programs comprising instructions for: identifying a plurality of newly crawled documents, wherein a respective document in the plurality of newly crawled document is associated with a query independent score; identifying (i) a newly crawled document in the plurality of newly crawled documents, and (ii) a first query independent score associated with the newly crawled document; and determining a first equivalence class, from among a plurality of equivalence classes, for the newly crawled document based upon a fingerprint for the newly crawled document, wherein the first equivalence class comprises a plurality of documents, each document in the plurality of documents is uniquely associated with a respective query independent score, and the fingerprint of the newly crawled document indicates that the newly crawled document is substantially identical to each document in the plurality of documents. 27. The computing system of claim 25 , wherein the first query independent score includes a document ranking value indicative of document importance.