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Institute for Mathematics and Computing Science

Petrosyan, S. (2007) Institute for Mathematics and Computing Science. Master's Thesis / Essay, Computing Science.

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Abstract

There is an increasing amount of data in databases that is shared among many client computers. Some of this data may be relatively static. However, certain types of data may be changing frequently. Client applications may be interested in changes that are made to these data. Notifications of such changes allow a client to be made aware of changes that are made by another client application in a timely fashion. In this paper, I describe my work on exploring, designing, implementing and integrating of a notification mechanism in the CS-ECIS application developed at the company ChipSoft. To achieve this goal is the publish/subscribe technology, which is emerging as an appropriate comxnunicatioii paradigm for large-scale distributed systems, used. In the designed architecture. each client application defines and advertises change events to the notification service. The clients can subscribe to events of interest, and can refine their subscriptions through attributefilter expressions. A notification is sent whenever a database change, detected by the notification service, matches some active subscriptions.

Item Type: Thesis (Master's Thesis / Essay)
Degree programme: Computing Science
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 15 Feb 2018 07:30
Last Modified: 15 Feb 2018 07:30
URI: http://fse.studenttheses.ub.rug.nl/id/eprint/8960

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