NDLI: A Preference and Honesty Aware Trust Model for Web Services

Content Provider	IEEE Xplore Digital Library
Author	Rui Song Bixin Li Xiaona Wu Cuicui Liu Shanshan Qi
Copyright Year	2012
Abstract	Trust is one of the most critical factors for a service requestor when selecting the best one from a large pool of services. However, existing web service trust models either do not focus on satisfying customer's preference for different quality of service (QoS) attributes, or do not pay enough attention to the impact of malicious ratings on trust evaluation. To address these gaps, a dynamic trust evaluation model considering customer's preference and false ratings is proposed in this paper. The model introduces an approach automatically mining customer's preference from their requirements. The preference is used to determine the weights on each QoS attribute when integrating trust of the multi-dimensional QoS attributes. The local trust of a service for the customer is derived by combining trust of QoS attributes and customer's ratings. Then, the customers are divided into different groups according to their preferences, and the honesty of each group is assessed by filtering out dishonest customers based on a hybrid approach combining rating consistency clustering and average method. Finally, the weight on ratings is dynamically adjusted according to the results of honesty assessment when calculating the global trustworthiness of a service for the user group. The simulation results indicate that the model works well on personalized evaluation of trust, and it can effectively dilute the influence of malicious ratings.
Starting Page	61
Ending Page	66
File Size	540142
Page Count	6
File Format	PDF
ISBN	9781467349307
ISSN	15301362
DOI	10.1109/APSEC.2012.28
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-04
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Quality of service Web services Availability Time factors Mathematical model Computational modeling Monitoring trust preference honesty
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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