| Mariani, J.A. and Rodden, T. The Impact of CSCW on Database Technology. In Proceedings, IFIP International Workshop on CSCW, (Berlin, Germany, 1991), 146-161. |
.... data could include the use of logins to automatically track who changed what, when, at the field level in the system; one could incorporate a digital history of data modifications that tracks not only all previous values but also why each value was changed, when, by whom, and with what authority [19, 25]. Design rationale [29] which serves a similar role in software development, should be used as inspiration in developing systems with lightweight features to record this additional contextual information. Such history enriched digital data could allow advanced systems to provide visualizations ....
Mariani, J.A. and Rodden, T. The Impact of CSCW on Database Technology. In Proceedings, IFIP International Workshop on CSCW, (Berlin, Germany, 1991), 146-161.
....distributed systems try to minimise the interference between multiple users and even multiple processes, for example, by locking mechanisms. However, cooperation between users suggests that this emphasis on transparency is unacceptable and it is replaced by a desire for mutual awareness [9]. Furthermore, traditional distributed systems rarely deal with systems with infrequent communications (although there have been some recent exceptions notable the Coda File System [8] Given these extra complications, it is not surprising that groupware systems are difficult to program and even ....
J. Mariani and T. Rodden, The impact of CSCW on database technology, in Proceedings of the IFIP Workishop on CSCW , Berlin, April 1991.
....one of the clients is in the slave or receive mode, and the other is in the master or send mode. Considering this simple model and our desired features within the context of a collaborative help system for ADL, there is no need to use complex concurrency control or shared object models [GM94, MR91] The user interface of the client, say A, that is currently in receive mode is simply locked; it may receive and interpret events or messages from the other client, say B (i.e. the remote client) but the user is unable to change client A s state. When the clients trade roles, client A takes ....
J. A. Mariani and T. Rodden. The impact of CSCW on database technology. In Proc. ACM Conference on Computer Supported Cooperative Work, 1991.
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