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User-centered design of a QoS-based web service selection system

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Abstract

In most of quality of service (QoS)-based web service selection systems, inexperienced end users are not the focal point of the design. Most systems assume that users could formulate their QoS requirements easily and are accurately using the provided query languages. However, oftentimes it is not true. To tackle this issue and emphasize more on the user-centered design of the service selection system, in this paper, we come up with a more expressive and flexible way for non-expert users to define their QoS queries, together with the user support on formulating queries and understanding services in the registry. Then, we propose an enhanced selection model that could handle both exact and fuzzy requirements, return two categories of matching offers—super-exact and partial matches, and rank them using a two-level ranking algorithm. A prototype system is implemented, and experiments are done using a real QoS dataset to show the system performance.

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Authors and Affiliations

  1. Department of Computer Science, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada

    Delnavaz Mobedpour & Chen Ding

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  1. Delnavaz Mobedpour
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  2. Chen Ding
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Correspondence to Chen Ding.

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Mobedpour, D., Ding, C. User-centered design of a QoS-based web service selection system. SOCA 7, 117–127 (2013). https://doi.org/10.1007/s11761-011-0091-x

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  • DOI: https://doi.org/10.1007/s11761-011-0091-x

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