U.S. patents available from 1976 to present.
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Process and system for arrangement of documents

Patent 5745893 Issued on April 28, 1998. Estimated Expiration Date: Icon_subject November 30, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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Inventors

Assignee

Application

No. 565806 filed on 11/30/1995

US Classes:

707/5, Query augmenting and refining (e.g., inexact access)707/3, Query processing (i.e., searching)707/6, Pattern matching access707/7Sorting

Examiners

Primary: Black, Thomas G.
Assistant: Coby, Frantz

Attorney, Agent or Firm

International Class

G06F 017/30

Abstract

According to one embodiment of the present invention, a system (10) for arrangement of documents (13) is provided. The system includes a document repository (12) storing a plurality of documents (13). An arrangement engine (14) is coupled to the document repository (12). The arrangement engine (14) is operable to build a plurality of symmetric matrices based upon a plurality of identified arrangements of the plurality of documents (13) in the document repository (12). Each matrix is structured such that each row and each column is associated with a document (13). The arrangement engine (14) is also operable: to fill each cell of each symmetric matrix with a relevance value representing a relevance between a document (13) associated with the row of the cell and a document (13) associated with the column of the cell, to generate a fitness value for each matrix based upon a magnitude and a position of each relevance value by analyzing each symmetric matrix using a fitness function (16), to identify an optimal arrangement of the plurality of documents (13) based upon the fitness value of each matrix, and to provide the optimal arrangement of documents (18) as system output.

Other References

  • Hill, Joe R. and Tsai, Chih-Ling, Calculating the Efficiency of Maximum Quasilikelihood Estimation, Appl. Stat. vol. 37, No. 2, 1988
  • van Rijsbergen, C.J., Information Retrieval, Depart. of Computer Science, University College, Dublin, 1975
  • Fuhr, Norbert and Chris Buckley, A Probabilistic Learning Approach for Document Indexing, ACM Transactions on Information Systems, vol. 9, No. 3, Jul. 1991, pp. 223-248
  • Turtle, Howard and W. Bruce Croft, Evaluation of an Inference Network-Based REtrieval Model, ACM Transactions on Information Systems, vol. 9, No. 3, Jul. 1991, pp. 187-22
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