Privacy-preserving shared collaborative web services QoS prediction

2018 ◽  
Vol 54 (1) ◽  
pp. 205-224 ◽  
Author(s):  
An Liu ◽  
Xindi Shen ◽  
Haoran Xie ◽  
Zhixu Li ◽  
Guanfeng Liu ◽  
...  
Keyword(s):  
Web Services ◽  
Privacy Preserving ◽  
Qos Prediction

Privacy-Preserving Collaborative Web Services QoS Prediction via Differential Privacy

2017 ◽  
pp. 200-214 ◽  
Author(s):  
Shushu Liu ◽  
An Liu ◽  
Zhixu Li ◽  
Guanfeng Liu ◽  
Jiajie Xu ◽  
...  
Keyword(s):  
Web Services ◽  
Differential Privacy ◽  
Privacy Preserving ◽  
Qos Prediction

Time-Based QoS Prediction and Rank Aggregation of Web Services

2019 ◽  
Vol 14 (4) ◽  
pp. 79-100
Author(s):  
V. Mareeswari ◽  
E. Sathiyamoorthy
Keyword(s):  
Web Services ◽  
Web Applications ◽  
Cloud Model ◽  
Health Care Systems ◽  
Rank Aggregation ◽  
Qos Prediction ◽  
Short Time Span ◽  
Wide Range ◽  
Care Systems ◽  
Commercial Applications

Everyday activities are equipped with smart intellectual possessions in the modern Internet domain for which a wide range of web services are deployed in business, health-care systems, and environmental solutions. Entire services are accessed through web applications or hand-held computing devices. The recommender system is more prevalent in commercial applications. This research predicts the preference of consumers and lists the recommended services in order of ranking for consumers to choose services in a short time span. This proposed approach aims to offer the exact prediction of missing QoS (quality of service) value of web services at a specified time slice. The uncertainty of QoS value has been predicted using the cloud model theory. The focus is to give the global ranking using the aggregated ranking of the consumer's ranking list, which has been obtained through the Kemeny optimal aggregation algorithm. In this work, multidimensional QoS data of web services have experimented and given an accurate prediction and ranking in the web environment.

Privacy-Preserving Trust Establishment with Web Service Enhancements

2013 ◽  
pp. 54-73
Author(s):  
Zhengping Wu ◽  
Alfred C. Weaver
Keyword(s):  
Web Services ◽  
Web Service ◽  
Critical Factor ◽  
Privacy Preserving ◽  
Policy Document ◽  
Daily Lives ◽  
Trust Relationship ◽  
Trust Establishment ◽  
Privacy Leakage ◽  
Trust Relationships

Web services are increasingly utilized in people’s daily lives to achieve various functionalities. Trustworthiness has become a critical factor for service provision and governance. The lack of effective trust establishment mechanisms impedes the deployment of diverse trust models for web services. One important issue is that collaborating organizations need mechanisms to bridge extant relationships among cooperating parties. Meanwhile, a trust establishment mechanism for web services must ensure privacy and owner control at all times due to the subjectivity of trust relationships. As an alternative and complementary approach to direct trust establishment, we describe an indirect trust establishment mechanism to bridge and build new trust relationships from extant trust relationships with privacy protection. Another issue is the lack of mechanisms that can directly establish trust relationships with privacy-preserving capabilities for web services. Current web service technologies encourage a service requester to reveal all its private attributes in a pre-packaged digital credential to the service provider to fulfill the requirements for verification. This may lead to privacy leakage. We propose a mechanism whereby the service requester discovers the service provider’s requirements from a web service policy document, then formulates a trust primitive by associating a set of attributes in a pre-packaged credential with a semantic name, signed with the requester’s digital signature, to negotiate a trust relationship. Thus the service requester’s privacy is preserved because only those attributes required to build a trust relationship are revealed.

Towards QoS Prediction for Web Services based on Adjusted Euclidean Distances

2013 ◽  
Vol 7 (2) ◽  
pp. 463-471 ◽  
Author(s):  
Yuyu Yin ◽  
Dongjing Yu ◽  
Ying Li
Keyword(s):  
Web Services ◽  
Qos Prediction ◽  
Euclidean Distances
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