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Current developments in grid technologies involve fluid and dynamic interactions between service providers and service consumers. We are particularly interested in a notable obstacle, namely how to keep service consumers informed of relevant changes about data committed in multiple and distributed service provider levels, and most importantly, when these changes can affect others well-being. To achieve this,we use an aggregated service case scenario to demonstrate the need for a data-grid push service in disaster management response operations. With this in mind, the paper describes in detail the model architecture in the form of a UML activity diagram, as well as its mathematical modeling analysis for keeping interested stakeholders informed automatically about relevant and critical data changes.