NDLI: Web Service Selection for Resolving Conflicting Service Requests

Content Provider	IEEE Xplore Digital Library
Author	Guosheng Kang Jianxun Liu Mingdong Tang Xiaoqing Liu Fletcher, K.K.
Copyright Year	2011
Description	Author affiliation: Dept. of Comput. Sci. & Eng., Hunan Univ. of Sci. & Technol., Xiangtan, China (Guosheng Kang; Jianxun Liu; Mingdong Tang) \|\| Dept. of Comput. Sci., Missouri Univ. of Sci. & Technol., Rolla, MO, USA (Xiaoqing Liu; Fletcher, K.K.)
Abstract	Web service selection based on quality of service (QoS) has been a research focus in an environment where many similar web services exist. Current methods of service selection usually focus on a single service request at a time and the selection of a service with the best QoS at the user's own discretion. The selection does not consider multiple requests for the same functional web services. Usually, there are multiple service requests for the same functional web service in practice. In such situations, conflicts occur when too many requesters select the same best web service. This paper aims at solving these conflicts and developing a global optimal service selection method for multiple related service requesters, thereby optimizing service resources and improving performance of the system. It uses Euclidean distance with weights to measure degree of matching of services based on QoS. A 0-1 integral programming model for maximizing the sum of matching degree is created and consequently, a global optimal service selection algorithm is developed. The model, together with a universal and feasible optimal service selection algorithm, is implemented for global optimal service selection for multiple requesters (GOSSMR). Furthermore, to enhance its efficiency, Skyline GOSSMR is proposed. Time complexity of the algorithms is analyzed. We evaluate performance of the algorithms and the system through simulations. The simulation results demonstrate that they are more effective than existing ones.
Sponsorship	IEEE Comput. Soc.
Starting Page	387
Ending Page	394
File Size	247974
Page Count	8
File Format	PDF
ISBN	9781457708428
DOI	10.1109/ICWS.2011.37
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-04
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Web services Quality of service Algorithm design and analysis Computational modeling Quantization Linear programming Programming Skyline web service selection matching degree Euclidean distance 0-1 integral programming
Content Type	Text
Resource Type	Article

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