Multiplex communications – Wide area network – Packet switching
Patent
1995-02-07
1998-02-10
Black, Thomas G.
Multiplex communications
Wide area network
Packet switching
395609, 39520001, 395356, 395329, 370431, C06F 1730
Patent
active
057179174
ABSTRACT:
A method of controlling information on data links is provided which allows a user to establish a new link between a data which is being referred to by some other user or task and another data and to update and delete pieces of link information which has been established for the former data. A data layer composed of a plurality of data and a link layer for holding link information which represents link relationships among the plurality of data are disposed separately. In the case that a user refers to a data in the data layer except when link information in the link layer is being referred to or updated, other users are inhibited from modifying the data and are allowed to read the data. Furthermore, other users are allowed to read and modify the link information in the link layer which corresponds to the data being referred to.
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J. Noll & W. Scacchi, "Integrating Diverse Information Repositories: A Distributed Hypertext Approach", Computer Dec. '91.
Black Thomas G.
Lewis Cheryl R.
Mitsubishi Denki & Kabushiki Kaisha
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