By Daniela Florescu, Alon Levy (auth.), Witold Litwin, Tadeusz Morzy, Gottfried Vossen (eds.)
This publication constitutes the refereed complaints of the second one East ecu Symposium on Advances in Databases and data structures, ADBIS '98, held in Poznan, Poland in September 1998.
The 25 revised complete papers awarded have been chosen from a complete of ninety submissions and 6 prolonged abstracts inside of a different part. "East meets West". The papers are equipped in topical sections on question languges, optimization, collaborative structures, schema integration, garage and model administration, item platforms, wisdom discovery and the internet, and structures design.
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Additional info for Advances in Databases and Information Systems: Second East European Symposium, ADBIS’98 Poznań, Poland, September 7–10, 1998 Proceedings
As a matter of fact, most accesses made by a workflow server to its repository will be in the form of update transactions. This is because most of the time the server accesses the repository to perform state transitions in the workflow process graph at the time of activity/process instance completions/initiations. Such actions have to be recorded persistently. The update transactions executed by the workflow servers tend to be of short duration. The locking granularity that the DBMS supports can have a significant impact on the number of workflow clients that can be supported.
To check if two rules r l and r2 have same consequents, one uses the expression: r l . c o n s e q u e n t = r 2 . c o n s e q u e n t . To check if the consequent attributes are the same (their respective values could differ) for r l and r2, one can say: r l . c _ s i g n a t u r e = r 2 . c_s i g n a t u r e In addition, the signature comparisons for Body also allow the has, in or is operators to permit set-containment checking. For instance, the expression to check if the set of attributes in r l ' s body is a superset of the set of attributes in r2's body, can be written as: r l .
Currently, the submitters of different proposals made in response to the RFP are merging their proposals to create an OMG Workflow Facility called jFlow. pdf). It shows how the WFMC specifications can be mapped onto the internet technologies. html). , CICS and MQSeries) integration, messaging, document management, simulation, and business practices and reengineering. Integrating different concepts from these areas poses many challenges. Factors like scalability, high availability, manageability, usability and security also further aggravate the demands on the designs of WFMSs.
Advances in Databases and Information Systems: Second East European Symposium, ADBIS’98 Poznań, Poland, September 7–10, 1998 Proceedings by Daniela Florescu, Alon Levy (auth.), Witold Litwin, Tadeusz Morzy, Gottfried Vossen (eds.)