Using information visualization to support web service discovery

Authors:
Simone Beets;Janet Wesson
Affiliations:
Nelson Mandela Metropolitan University, Port Elizabeth;Nelson Mandela Metropolitan University, Port Elizabeth
Venue:
Proceedings of the South African Institute of Computer Scientists and Information Technologists Conference on Knowledge, Innovation and Leadership in a Diverse, Multidisciplinary Environment
Year:
2011

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Abstract

Public web services are becoming popular Internet technology for service-based application development. Current web service discovery techniques are ineffective in supporting users in finding suitable web services. Information visualization (IV) has been used to assist users of large datasets by presenting this data visually. IV has not, however, been generally used to support web service discovery. In this paper, we introduce SerViz - a prototype tool for interactive visualization of web service collections. This tool uses a network IV technique to visualize a web service collection. The paper also discusses a user study comparing the network IV technique with the alphabetical list used in current web service discovery methods. The objectives of the user study were to compare these techniques and identify any usability problems in SerViz. Results obtained in this study showed that the network IV technique was the preferred method to visualize web service collections and only minor usability problems were identified. The results showed that the network technique was more efficient for browsing a large web service collection.