There is an extensive set of published and usable services on the internet. Human based approach to discover and utilize these services is not only time consuming, but also requires continuous user interaction. In this paper we demonstrate the use of agent technology and Web Service standards to enable automatic service discovery and utilization. Our approach called the Agent Approach for Service Discovery and Utilization (AASDU) focuses on using light weight autonomous agents, built into a multi-agent community called the Multi Agent Referral System and Web Service standards namely UDDI, SOAP, WSDL and XML.In the AASDU approach, agents interact with the end user to discover services, to specific queries, and efficiently manage their utilization. It uses intrinsic multi-agent properties to allow agents to communicate and cooperate with one another. As the system is agent driven, each agent conforms to a communication protocol that allows it to send and receive messages from another agent, without needing to know the address of the receiving agent. This paper also demonstrates the interoperability achieved between heterogeneous software components through the use of Web Service standards and protocols. We describe in detail the agent technology, Web Service standards and the AASDU approach.
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