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Conference Papers Year : 2015

Heuristic Based Time-Aware Service Selection Approach

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Abstract

QoS-based service selection is one of the important requirements in Service Oriented Computing (SOC). A challenging task towards this purpose is the selection of the best combination of services that fulfils user’s requirements while meeting quality of service (QoS) constraints. This challenge becomes more complex when dealing with time-dependent QoS values and temporal properties. Indeed, during the selection, mutual dependencies between the different temporal constraints may arise so that the selection of each service may influence or be influenced by the selection of other services. On other side, to find the best solution, all potential combinations must be compared. However, the number of these combinations may be very high, which can present a barrier for enabling effective service selection. In this paper, we present a heuristic based timeaware service selection approach to efficiently select a close-tooptimal combination of services. First, pruning techniques are adopted to reduce the search space. Second, a novel heuristic approach is proposed based on service clustering, constraints decomposition and local selection while considering both QoS and temporal constraints. Finally, experiments which confirm the feasibility and effectiveness of the proposed approach in terms of its timeliness and optimality, are conducted.
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Dates and versions

hal-01396981 , version 1 (08-02-2017)

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Ikbel Guidara, Nawal Guermouche, Tarak Chaari, Saïd Tazi, Mohamed Jmaiel. Heuristic Based Time-Aware Service Selection Approach. International Conference on Web Services, Jun 2015, New York, United States. ⟨10.1109/ICWS.2015.19⟩. ⟨hal-01396981⟩
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