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Awareness Data Management
Measurement tool selection module can select the user-required measurement tools based on the user-defined script file. Awareness manger organizes these tools, evaluates the awareness results based on composite events, and provides query interface for adaptive applications. A composite event is a combination of multiple simple events. A simple event is specified as a triple: an awareness value collected from the measurement tool, a comparison operator, and condition value. A composite event is organized in a tree structure, as shown in the figures below. The hierarchical implementation organizes one Composite Event as a binary tree. The root of the tree is a Boolean operator or an Event if the tree has a single node. The leaf of this tree is a Simple Event. The Boolean operator has a left hand side and a right hand side, where each side would be a Simple Event or a Composite Event. The awareness measurement tools notify their values to the Awareness class.

Awareness Data Management

Measurement tool selection module can select the user-required measurement tools based on the user-defined script file. Awareness manger organizes these tools, evaluates the awareness results based on composite events, and provides query interface for adaptive applications.

A composite event is a combination of multiple simple events. A simple event is specified as a triple: an awareness value collected from the measurement tool, a comparison operator, and condition value. A composite event is organized in a tree structure, as shown in the figures below.

The hierarchical implementation organizes one Composite Event as a binary tree. The root of the tree is a Boolean operator or an Event if the tree has a single node. The leaf of this tree is a Simple Event. The Boolean operator has a left hand side and a right hand side, where each side would be a Simple Event or a Composite Event. The awareness measurement tools notify their values to the Awareness class.

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