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Web Services Trust Assessment based on Probabilistic Databases

Zohra Saoud 1 Noura Faci 1 Zakaria Maamar 2 Djamal Benslimane 1 
1 SOC - Service Oriented Computing
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : This paper discusses the assessment of Web services trust. This assessment is undermined by the uncertainty that raises due to end-users' ratings that can be questioned and variations in Web services performance at run-time. To tackle the first uncertainty a fuzzy-based credibility model is suggested so that the gap between end-users (known as strict) and the current majority is reduced. To deal with the second uncertainty we propose a probabilistic trust approach. A series of experiments are carried out to validate the probabilistic approach built upon probabilistic databases and a fuzzy-based credibility model. The results show that the probabilistic approach improves significantly trust quality. Future work consists of incorporating several credibility models into one probabilistic trust model.
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Submitted on : Sunday, June 7, 2015 - 11:47:00 AM
Last modification on : Friday, September 30, 2022 - 11:34:16 AM


  • HAL Id : hal-01160758, version 1


Zohra Saoud, Noura Faci, Zakaria Maamar, Djamal Benslimane. Web Services Trust Assessment based on Probabilistic Databases. The International Conference on NETworked sYStems NETYS 2015, May 2015, Agadir, Morocco. pp.397-410. ⟨hal-01160758⟩



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