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Trustworthy services diffusion based on optimizational nodes in online social network
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AUTHOR COPY
Journal of Intelligent & Fuzzy Systems 31 (2016) 2281–2290
DOI:10.3233/JIFS-169068
IOS Press
2281
Trustworthy services diffusion based
on optimizational nodes in online
social network
Peiyun Zhang
a
, Rongjian Xie
b,∗
and Bo Huang
c
a
School of Mathematics and Computer Science, Anhui Normal University, Wuhu, China
b
School of and Management, Anhui University of Technology and Science, Wuhu, Anhui, China
c
Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ, USA
Abstract. Web Service diffusion is becoming an important way of Web information share. Because of the existence of large
malicious nodes and Web services in online social network, the service diffusion in social network has got great trust crisis.
It hinders the sharing and reusing of services in online social network. In order to improve the credibility and the speed
of service diffusion in social network, we divide the nodes into common nodes and optimizational nodes by utilizing the
trustworthy relationship among social network nodes. The algorithm is designed to find optimizational trustworthy nodes
which have better trust values and better diffusion characteristics. Based on the optimizational trustworthy nodes, in the case
of the trust, the diffusion speed and other factors, the trusted service diffusion is achieved by the algorithm. Therefore, the
trustworthy services will be quickly diffused. The results of the experiments demonstrate that the diffusion model and our
algorithm are correct and effective.
Keywords: Web service, service diffusion, online social network, trustworthy nodes
1. Introduction
Nowadays, with the rapid development of online
social network, such as Facebook and Twitter, the
social media are heralding to be a hot spot and ten-
dency of the Internet development. Social network
has become one of the major platforms for people to
exchange information [1]. And it is gradually affect-
ing the network users’ life and work [2].
With the development of service-oriented archi-
tecture, services are becoming important Internet
resources. They have gained more and more atten-
tion. It is well known that services need publishing,
discovering, while traditional methods have adopted
centralized service architecture, such as Universal
∗
Corresponding author. Rongjian Xie, School of and Man-
agement, Anhui University of Technology and Science, Wuhu,
Anhui 241000, China. Tel.: +86 13955353386; E-mail: xrjustc@
ustc.edu.cn.
Description Discovery and Integration (UDDI) [3].
Such centralized architecture is facing the problems
of managing larger amount of data and dealing with
a number of data requests. The centralized register-
ing server is also vulnerable to be attacked because
of malicious nodes. Therefore, it reaches the bottle-
neck of service performance, and it has poor scaling
and poor credibility. It is also hard to find the inter-
action between the interaction nodes and services.
The failure problems often exist in centralized service
registry architecture. So, how to share and utilize ser-
vices quickly and efficiently is an important research
topic. It needs to improve the service diffusion effi-
ciency and credibility.
Because the structure of social network has better
scalability, it can solve those problems and promote
the performance of services diffusion. To quickly dif-
fuse services in social network, designing methods
for discovering optimizational trustworthy nodes is
1064-1246/16/$35.00 © 2016 – IOS Press and the authors. All rights reserved
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