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This paper describes an evaluation model for a digital library tool, the Instructional Architect, which enables users to discover, select, reuse, sequence, and annotate digital library learning objects. By documenting our rapid-prototyping, iterative, and user-centered approach for evaluating a digital library service, we provide a model and set of methods(More)
Remote Sensing plays a vital role for the detection of urban expansion. Due to high complexity of urban landscapes such as building area, vegetation area are classified based on the feature extraction from the satellite Images. Different feature Extraction methods are employed for obtaining the primitives such as texture, shapes and sizes etc. In this(More)
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