Indexing subject-locating method
Patent 4580218 Issued on April 1, 1986. Estimated Expiration Date: 
September 8, 2003. 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.
September 8, 2003. 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.Patent ReferencesAbstracting system for index search machine Patent #: 3947825 InventorAssigneeApplicationNo. 06/530387 filed on 09/08/1983US Classes:707/1, DATABASE OR FILE ACCESSING704/1LINGUISTICSExaminersPrimary: Zache, Raulfe B.Attorney, Agent or FirmInternational ClassesG06F 17/30 (20060101)G06F 17/27 (20060101) AbstractA determination is made as to whether or not each word of a segment of a body of text is included in one or more multi-word subjects of a list of subjects included in the text. If a subject word is found, a further determination is made as to whether or not all words of the subject are included in the same segment. A subject, as to which all words are in the same segment, is associated with text-locating indications for indexing purposes. Routines are also shown for updating a window portion of a textual manuscript for indexing purposes, searching a word list for matches and forming an active list for words which match, performing approximate root matches, and determining from an activated word match which subjects of a subject list are found in their entirety in a manuscript text.Other References
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