U.S. patents available from 1976 to present.
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Selective dissemination of information

Patent 5428778 Issued on June 27, 1995. Estimated Expiration Date: Icon_subject September 13, 2014. 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 References

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4956769

Document retrieval system
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Method of assigning retention and deletion criteria to electronic documents stored in an interactive information handling system
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Issued on: 04/21/1992
Inventor: MacPhail

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Inventor

Assignee

Application

No. 304812 filed on 09/13/1994

US Classes:

707/5Query augmenting and refining (e.g., inexact access)

Examiners

Primary: Black, Thomas G.
Assistant: Von Buhr, Maria N.

Attorney, Agent or Firm

Foreign Patent References

  • 364179 EP. 04/11/1990
  • 420424 EP. 04/11/1991

International Class

G06F 017/30

Abstract

A database method and system for disseminating information to user, and for alerting users to the disseminated information, stores a plurality of parameters in association with information items. The plurality of parameters includes at least one keyword taken from a finite hierarchical set of keywords indicative of the subject matter of the information items, and a priority level value indicative of the perceived importance of the information items. The finite hierarchical set of keywords has a tree structure relating broad keywords to progressively narrower keywords. An interest profile is created for each of the users and comprises a list of keywords, selected from the finite hierarchical set, and a priority level associated with each keyword. The parameters stored in association with each information item, and the stored interest profile for that user, are compared. Each user whose interest profile matches the parameters of the information item is alerted to the presence of the matching information item.

Other References

  • "The Rapport Multimedia Conferencing System", S. R. Ahuja, et al., AT&T Bell Laboratories, 1988 ACM, pp. 1-8
  • "The Evolution of User Behavior in a Computerized Conferencing System", Starr Roxanne Hiltz and Murray Turoff, Communications of the ACM, Nov. 1981, vol. 24, No. 11
  • "Knowledge Based Document Classification Supporting Integrated Document Handling", Helmut Eirund and Klaus Kreplin, 1988 ACM, pp. 189-196
  • "Beyond The Chalkboard: Computer Support Collaboration and Problem Solving in Meetings", Mark Stefik, et al., Communications of the ACM, Jan. 1987, vol. 30, No. 1
  • "Intelligent Information-Sharing Systems", Thomas W. Malone, et al., Communications of the ACM, May 1987, vol. 30, No.
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