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Document scoring based on link-based criteriaRelated Patent Categories: Data Processing: Database And File Management Or Data Structures, Database Or File Accessing, Query Processing (i.e., Searching), Query Augmenting And Refining (e.g., Inexact Access)Document scoring based on link-based criteria description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070094255, Document scoring based on link-based criteria. Brief Patent Description - Full Patent Description - Patent Application Claims
RELATED APPLICATION [0001] This application is a divisional of U.S. patent application, Ser. No. 10/748,664, filed Dec. 31, 2003, which claims priority under 35 U.S.C. .sctn. 119 based on U.S. Provisional Application No. 60/507,617, filed Sep. 30, 2003, the disclosures of which are incorporated herein by reference. BACKGROUND OF THE INVENTION [0002] 1. Field of the Invention [0003] The present invention relates generally to information retrieval systems and, more particularly, to systems and methods for generating search results based, at least in part, on historical data associated with relevant documents. [0004] 2. Description of Related Art [0005] The World Wide Web ("web") contains a vast amount of information. Search engines assist users in locating desired portions of this information by cataloging web documents. Typically, in response to a user's request, a search engine returns links to documents relevant to the request. [0006] Search engines may base their determination of the user's interest on search terms (called a search query) provided by the user. The goal of a search engine is to identify links to high quality relevant results based on the search query. Typically, the search engine accomplishes this by matching the terms in the search query to a corpus of pre-stored web documents. Web documents that contain the user's search terms are considered "hits" and are returned to the user. [0007] Ideally, a search engine, in response to a given user's search query, will provide the user with the most relevant results. One category of search engines identifies relevant documents based on a comparison of the search query terms to the words contained in the documents. Another category of search engines identifies relevant documents using factors other than, or in addition to, the presence of the search query terms in the documents. One such search engine uses information associated with links to or from the documents to determine the relative importance of the documents. [0008] Both categories of search engines strive to provide high quality results for a search query. There are several factors that may affect the quality of the results generated by a search engine. For example, some web site producers use spamming techniques to artificially inflate their rank. Also, "stale" documents (i.e., those documents that have not been updated for a period of time and, thus, contain stale data) may be ranked higher than "fresher" documents (i.e., those documents that have been more recently updated and, thus, contain more recent data). In some particular contexts, the higher ranking stale documents degrade the search results. [0009] Thus, there remains a need to improve the quality of results generated by search engines. SUMMARY OF THE INVENTION [0010] Systems and methods consistent with the principles of the invention may score documents based, at least in part, on history data associated with the documents. This scoring may be used to improve search results generated in connection with a search query. [0011] According to one aspect, a method may include determining time-varying behavior of links pointing to a document; generating a score for the document based, at least in part, on the time-varying behavior of the links pointing to the document; and ranking the document with regard to at least one other document based, at least in part, on the score. [0012] According to another aspect, a system may include means for determining whether there is a growth in links from a number of independent peer documents that point to a document that exceeds a threshold; means for generating a score for the document based, at least in part, on whether there is a growth in the links from the number of independent peer documents that exceeds the threshold; and means for ranking the document with regard to at least one other document based, at least in part, on the score. [0013] According to yet another aspect, a method may include determining a freshness of a document based, at least in part, on a group of links that point to the document; generating a score for the document based, at least in part, on the freshness of the document; and ranking the document with regard to at least one other document based, at least in part, on the score. [0014] According to a further aspect, a method may include determining freshness of links that point to a document; generating a score for the document based, at least in part, on the freshness of the links; and ranking the document with regard to at least one other document based, at least in part, on the score. [0015] According to another aspect, a method may include determining an age distribution associated with links pointing to a document; generating a score for the document based, at least in part, on the age distribution associated with the links; and ranking the document with regard to at least one other document based, at least in part, on the score. [0016] According to yet another aspect, a system may include means for identifying a group of first documents that each contains a link to a second document; means for determining a freshness associated with each of the first documents; means for determining a freshness associated with the second document based, at least in part, on the freshness associated with each of the first documents; and means for ranking the second document with regard to at least one other document based, at least in part, on the freshness associated with the second document. [0017] According to a further aspect, a system may include means for identifying a group of links that each points to a document; means for determining a freshness associated with each of the links; means for determining a freshness associated with the document based, at least in part, on the freshness associated with each of the links; and means for ranking the document with regard to at least one other document based, at least in part, on the freshness associated with the document. BRIEF DESCRIPTION OF THE DRAWINGS [0018] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, explain the invention. In the drawings, [0019] FIG. 1 is a diagram of an exemplary network in which systems and methods consistent with the principles of the invention may be implemented; [0020] FIG. 2 is an exemplary diagram of a client and/or server of FIG. 1 according to an implementation consistent with the principles of the invention; Continue reading about Document scoring based on link-based criteria... Full patent description for Document scoring based on link-based criteria Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Document scoring based on link-based criteria patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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