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This paper is an exhaustive review summarizing the results, observations and findings of the renowned researchers in the domain of Web Service Discovery. After extensive scavenging on the Internet, we felt that there is a paucity of good quality survey papers, which can help, provide directions to a researcher looking for a fertile area to explore in the Web Services arena, especially in Discovery of Web Services. We highlight here the list of problems, which need to be looked into and investigated. This comprehensive listing of the open-ended unresolved issues is presented in a novel way, by providing its Cause-Effect Analysis. In this paper, we hand-hold you to into a literary journey that provides a glimpse of the huge spectrum of work investigated by researchers globally in the field of Discovering the Right Services, based on the Requirements provided by the Consumer.

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This Event-Condition-Action(ECA) rule description language for Web Services(named WS-ECA) is the latest buzzword in the realm of autonomous, intelligent Agent Based Web Service Oriented Computing (AWSOC). This rule description language supports interactions among serviceoriented, heterogeneous devices in a pervasive computing environment. It is based on ECA rules, which are embedded in distributed service devices and are triggered by events from internal or external factors. In this paper, we report our ongoing efforts to use DamlRuleML to define the ECA rules for a hybrid SNMP and Mobile Agent (MA) Based Network Management System (NMS) we have built in-house. Our work is a novel approach embedding ECA Rules into AWS (Agent Based Web Services) which is used to enable pervasive network management.