many important and useful applications for software agents require multiple agents on a network that communicate with each other. we often use the word “agent” to describe people who have a helping or assistive relationship to us –– travel agents, secretaries, butlers. the job of such an agent is to act autonomously to satisfy goals that we may have, give us a greater sense of productivity and ...

Texture-based image retrieval is a very di cult task, especially for retrieving images of natural scene. Such images contain multiple texture patterns that may vary in intensity, scale, and orientation but still look the same to humans. Existing methods have been successful in retrieving images that contain single uniform texture but their performance deteriorates when retrieving natural scene ...