Dynamic Composition of Web Services by Service Invocation Dynamically

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Sumathi Pawar 1,* Niranjan N. Chiplunkar 2

1. Canara Engineering College, Mangalore-574219, India

2. NMAMIT, Nitte, Karkala – 574104, India

* Corresponding author.

DOI: https://doi.org/10.5815/ijeme.2017.04.05

Received: 8 Apr. 2017 / Revised: 17 May 2017 / Accepted: 29 Jun. 2017 / Published: 8 Jul. 2017

Index Terms

Web services, WSDL, dynamic composition, static composition


The automatic Web service composition is one of the greatest challenges. The problem of unavailability of public UDDI is motivation to develop an interactive system to search for Web services dynamically using search engines. This paper presents an interactive system for selecting composable Web services automatically and dynamically according to the user requirement through search results of Bingo search engine. The methodology used here is searching for requested functions according to the user requested functional word in the Bingo search engine, finding the search precision by the support of the requested function in the search results, displaying operation elements and allowing the user to select required operation. If the user is unable to enter the input value of the Web services then searching for the Web services that resolves the unknown input. The search process is continued in many levels till the user gets satisfied and the suitable Web services resulted in this process results in the dynamic composition. A composition rule is framed to show the operations of the Web services that are composed according to the user requests during the run time. This is an interactive system, where the user can select required operation from the list of operations. The required parameters to invoke the Web services are filled during runtime automatically resulted into a dynamic invocation of the Web services. Nowadays, QoS information such as availability and response time are not provided by the UDDI due to the absence of UDDI. Therefore, this system tests such information by invoking Web services and qualitative Web services are used to generate composition plan.

Cite This Paper

Sumathi Pawar, Niranjan N. Chiplunkar,"Dynamic Composition of Web Services by Service Invocation Dynamically", International Journal of Education and Management Engineering(IJEME), Vol.7, No.4, pp.41-50, 2017. DOI: 10.5815/ijeme.2017.04.05


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