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Social interactions assume a central role in everyday life of people strongly connected through online social networks and web communities. Trust can be used as a filter to the increasing flow of information, experiences and opinions exchanged among users. In the absence of direct relations, trust inference algorithms can be exploited in order to estimate missing trust values. However, controversial...
WebRTC provides web calling services by enabling communication between browsers in a P2P fashion. To achieve security and enhance user privacy it is essential to define the level of trust between the various entities involved in WebRTC security architecture. The existing P2P trust models are not directly applicable as the characteristics of browser to browser communication are not taken into account...
The study proposes to improve trusts among agents by determining the most trustworthy provider, focusing on four components, namely Similarity — Reliability — Reputation — Certainty (i.e. S2RC). These components were integrated into a single model, which was evaluated in a simulated multi-agent environment using MATLAB. S2RC significantly outperformed all the compared models in terms of its accuracy...
With globalization, commercial banks are facing increasingly strong competition, and their success now depends less on their hard power, but more on such soft powers as product ideas and moral orientation. Consequently, how to win customer with higher service quality, and to maintain and enlarge customer groups, becomes a central issue for them. By way of a customer questionnaire, this paper investigates...
Multi-cloud storage is an emerging technique using a set of clouds to provide data storage service for clients cooperatively. Reliability reflects the risk of data on clouds to be damaged or tampered and is a basic consideration when choosing multi-cloud. However, there exists no work to help clients evaluate the reliability of cloud storage, which is an important consideration of choosing clouds...
Trust is becoming an increasingly important issue in large-scale distributed systems. Especially self-managed systems from the Autonomic and Organic Computing domains consisting of several cooperating entities have to rely on an automated estimation how reliable and trustworthy potential cooperation partners are. In this paper, we introduce a novel concept to represent trust among those entities....
The immense growth of Social Networking Sites (SNSs) has provided fast interactions with strangers, friends and people known in person. This has increase the religious, political and social possibilities for maintaining virtually every type of significant bonds or groups. The personal information used while interacting on social networking sites is an asset for every user profile that may be traded...
Physical security of wireless sensor nodes cannot be provided because making sensor nodes tamperproof is prohibitively expensive. Due to this lack of physical security, intruders can easily compromise one or more sensor nodes to subvert network operations bypassing encryption and password security systems. Trust and reputation systems have been recently suggested as an effective security mechanism...
Reputation of Web service plays an important role in selecting the best service from massive services. Traditional approaches of measuring Web service reputation are based on all the historical ratings. Although these approaches are effective in the same context environment, they fail in obtaining accurate reputation measurement when users' context is different. In this paper, we propose a context-based...
Today, concurrence with information technology (IT) progress, a novel issue has been introduced which is named as" cloud computing". The greatest obstacle that often is considered for acceptance of cloud services is lack of customers' trust to service providers. In this research, the problem of creating trust in cloud services has been evaluated and a model is presented to perform a comprehensive...
Service-oriented environments comprise a number of interconnected service providers and service consumers and are filled by vast numbers of services of various functionalities with different qualities. Finding the desirable services among others is a major problem for a typical user, who can optimize its performance by utilizing services with good qualities. This problem is sometimes addressed by...
In many research and business domains, there are efforts to develop systems that aggregate user data gathered by various data sources. This approach involves secondary sharing of user data and potentially benefits the user in terms of improved personalization and better experience. However, concerns regarding privacy arise when sharing user data with unknown third parties. These concerns can be alleviated...
This paper proposes a trust model for a competitive federation of Cloud computing systems. The reference scenario is a large-scale environment in which different Cloud providers compete in offering their pay-per-use XaaS (Anything as a Service) resources to the various users. In this context, to obtain the assignment of a user request, providers may state to possess more resources than the amount...
Recommending trusted services to users is of paramount value in service-oriented environments. Reputation has been widely used to measure the trustworthiness of services, and various reputation models for service recommendation have been proposed. Reputation is basically a global trust score obtained by aggregating trust from a community of users, which could be conflicting with an individual's personal...
With the fast adoption of Services Computing, even more driven by the emergence of the Cloud, the need to ensure accountability for quality of service (QoS) for servicebased systems/services has reached a critical level. This need has triggered numerous researches in the fields of trust, reputation and provenance. Most of the researches on trust and reputation have focused on their evaluation or computation...
The current BitTorrent-like file sharing systems suffer from peer selfish behaviors. The uncooperative peers can freeload compliant users by free-riding and exploiting. To study the performance of BitTorrent's embedded incentive mechanism against selfishness, a fluid model with three different classes of peers, namely normal peers, exploiters and free-riders, is established. We point out that the...
Trust is an important aspect in human societies. It enables cooperation and provides means to estimate potential cooperation partners. Several works have addressed how the concept of trust can be transferred to computer systems. In this paper, we present an approach to calculate trust, including direct trust, confidence, and reputation, in a network consisting of agents with changing behavior. Our...
Online retailers are facing increasing competitions, thus, it is very important for them to attract and retain online customers. However, many factors can affect customer trust in online retailing (E-satisfaction) environment. This paper investigates the factors and their impacts on customer E-trust in online retail (B to C, C to C) in China. Based on the literature review and an exploratory study...
How to survive and grow has always been a serious problem faced by the small and medium sized enterprises (SMEs) on a B2B platform. A lot of researches in entrepreneurship field have proved the positive effects of entrepreneurial orientation on firms' performance, but few researchers studied how entrepreneurial orientation influences performance. Based on the institutional theory, this paper introduces...
Open, heterogeneous multi-agent systems (MAS) have to cope with a variety of uncertainties introduced by the systems' participants and their environment. In such systems, agents can use trust values that characterize the behavior of their interaction partners as a measure of uncertainty, allowing agents to make more appropriate decisions. However, because of the systems' dynamics and the agents' limited...
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