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Poster Papers

Track: Services

Paper Title:
Towards Service Pool Based Approach for Services Discovery and Subscription

Authors:

Abstract:
There are many function identical web services in the internet or some large-scale organizations. They provide consumers with more choices according to their personalized QoS requirements. However, in current web service discovery and subscription, consumers pay too much time on manually selection and cannot easily benefit from the wide QoS spectrum brought by the proliferating services. In this paper, we propose a QoS-aware discovery and subscription approach to free consumers from time-consuming human computer interactions while helping them negotiate QoS with multiple service providers. The core of this approach is the service pool, which is a virtual service grouping function identical services together and dispatching consumer requests to the proper service in terms of QoS requirements. Based on our previous work on the service pool, this paper does two main contributions: one is we investigate the pool construction mechanisms by the similarity retrieval and formalize the representation of the service pool; another is we propose a formalized QoS model from consumer's perspective, and design a QoS-aware discovery algorithm to select the most adequate provider from the service pool according to consumer's QoS requirements.

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