Data processing: database and file management or data structures – Collaborative document database and workflow
Reexamination Certificate
2011-03-22
2011-03-22
Lie, Angela M (Department: 2163)
Data processing: database and file management or data structures
Collaborative document database and workflow
C707S756000
Reexamination Certificate
active
07912811
ABSTRACT:
A computer-based system for collaborative editing of documents has a computer-based control module and computerized workstations. The system has a database connected to the control module that stores a document in the database as linked character objects. Each character object represents one particular character of the document, includes a unique object identifier, and represents a type of the particular character. The character object represents the particular character being linked to a first character object representing a character preceding directly the particular character in the document and to a second character object representing a character following directly the particular character in the document. The control module receives and processes editing commands. The system has a propagation module for transmitting propagation messages to the workstations participating in the collaborative editing of the document, propagation messages including the character objects inserted or deleted in the database.
REFERENCES:
patent: 2006/0190423 (2006-08-01), Tanaka et al.
Using Database Management Systems for collaborative text editing, Thomas B. Hodel et al., pp. 1-4.
Hodel et al.: Using Database Management Systems for Collaborative Text Editing; ACM European Conference on Computer-Supported Cooperative Work, 2003, Helsinki, FI XP-002386113 Retrieved from the Internet:: URL: http://www.tendax.net/index.php?option=com—docman&task=doc—download&gid=17&Itemid=79> Retrieved on Jun. 16, 2006.
Newman-Wolfe. et al.: “MACE: a fine grained concurrent editor”; SIGOIS Bulletin USA, vol. 12, No. 2-3, 1991, pp. 240-254 XP-002386114 ISSN: 0894-0819.
Chengzheng et al.: “REDUCE: a prototypical cooperative editing system”; Design of Computing Systems: Cognitive Considerations. Proceedings of the Seventh International Conference on Human-Computer Interaction (HCI International '97) Elsevier Amsterdam, Netherlands vol. 1, 1997, pp. 89-92 vol. 1, XP-008065414 ISBN: 0-444-82183-X cited in the application.
Greenberg Laurence A.
Lie Angela M
Locher Ralph E.
Stemer Werner H.
Universitaet Zuerich
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