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Ranking similar passagesRanking similar passages description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20090055389, Ranking similar passages. Brief Patent Description - Full Patent Description - Patent Application Claims
CROSS REFERENCE TO RELATED APPLICATIONS
This application claims the benefit of U.S. Patent Provisional Application No. 60/956,880, filed Aug. 20, 2007, the contents of which are hereby incorporated by reference. This application is related to U.S. patent application Ser. No. 11/781,213, filed Jul. 20, 2007, and titled “Identifying and Linking Similar Passages in a Digital Text Corpus,” the contents of which are hereby incorporated by reference. BACKGROUND1. Field of Art This invention pertains, in general, to scoring similar passages in digital text documents and, in particular, to ranking similar passages based on characteristics of the similar passages occurring in the digital text documents. 2. Description of the Related Art Advancement in digital technology has changed the way people acquire information. For example, people can now view electronic documents that are stored in a predominantly text corpus such as a digital library that is accessible via the Internet. Such a digital text corpus is established, for example, by scanning paper copies of documents including books and newspapers, and then applying an optical character recognition (OCR) process to produce computer-readable text from the scans. The corpus can also be established by receiving documents and other texts already in machine-readable form. Many of these electronic documents contain similar passages or quotations that appear multiple times within the corpus. Users may search for documents in the digital corpus based on various search queries. Additionally, users may search for the documents based on known or popular quotations or phrases contained in the documents. However, these types of searches may yield thousands of matching results and the most relevant results may not initially be displayed making it difficult for users to locate the documents or passages most relevant to their queries. SUMMARYThe problems described above are addressed by a computer-implemented method, computer program product, and computer system for calculating a score for a passage having a plurality of instances occurring in a digital corpus. Embodiments of the method comprise calculating at least one score based at least in part on characteristics of instances of the passage occurring in the digital corpus and generating a ranking score associated with the passage based at least in part on the calculated at least one score. The method further comprises storing the ranking score in association with the passage in a computer-readable medium. Embodiments of the computer program product and computer system comprise computer code for performing similar functions. The features and advantages described in the specification are not all inclusive and, in particular, many additional features and advantages will be apparent to one of ordinary skill in the art in view of the drawings, specification, and claims. Moreover, it should be noted that the language used in the specification has been principally selected for readability and instructional purposes, and may not have been selected to delineate or circumscribe the disclosed subject matter. BRIEF DESCRIPTION OF DRAWINGSThe disclosed embodiments have other advantages and features which will be more readily apparent from the detailed description, the appended claims, and the accompanying figures (or drawings). A brief introduction of the figures is below. FIG. 1 shows an environment adapted to support ranking similar passages according to one embodiment. FIG. 2 is a high-level block diagram illustrating a functional view of a typical computer for use as one of the entities illustrated in the environment of FIG. 1 according to one embodiment. FIG. 3 is a high-level block diagram illustrating modules within the scoring engine according to one embodiment. FIG. 4 is a flow chart illustrating steps performed by the scoring engine according to one embodiment. Continue reading about Ranking similar passages... Full patent description for Ranking similar passages Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Ranking similar passages patent application. Patent Applications in related categories: 20090287697 - Agent rank - The present invention provides methods and apparatus, including computer program products, implementing techniques for searching and ranking linked information sources. 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