k-nearest neighbour (kNN) collaborative filtering (CF), the widely successful algorithm supporting recommender systems, attempts to relieve the problem of information overload by generating predicted ratings for items users have not expressed their opinions about; to do so, each predicted rating is computed based on ratings given by like-minded individuals. Like-mindedness, or similarity-based ...

A basic function of all signatures, digital or not, is to express trust and authority, explicit or implied. This is especially the case with digital signatures used in certificates. In this paper, we study the trust relationships expressed by the certificates used in X.509, PGP and SPKI. Especially, we present and revise the idea of a certificate loop, or a loop of certificates from the verifyi...

Trust, along with transparency, is an important indicator of a satisfactory relationship between a government and the public. Considering transparency as the key to trust in government, the purpose of this paper is to postulate a link between transparency and trust taking into account satisfaction as a psychological factor. This paper tries to find the answer of these questions: “Is there...

social capital has received considerable attention in all branches of social sciences, and has recently been the focus in the field to explain about procreator elements. trust is one of the social capital elements and plays an important role in specifying consequences incidental to social capital. nearly two decades ago, robert putnam proposed an explanation of trust relying on associational li...

Many applications running on the Internet operate in fully or semi-distributed fashion including P2P networks or social networks. Distributed applications exhibit many advantages over classical client-server models regarding scalability, fault tolerance, and cost. Unfortunately, the distributed system operation also brings many security threats along that challenge their performance and reliabi...

With the social trend of e-commerce, as an important source of word-of-mouth, online opinion leader is become more and more popular in industry and academics. Its impact on consumer purchase intention is emphasized as well. Based on communication and persuasion theory, communicator character, information feature and individual perceived value are taken as three basic constructs for influence mo...

Generally scarce computational and memory resource availability is a well known problem for the IoT, whose intrinsic volatility makes complex applications unfeasible. Noteworthy efforts in overcoming unpredictability (particularly in case of large dimensions) are the ones integrating Knowledge Representation technologies to build the so-called Semantic Web of Things (SWoT). In spite of allowed ...

In this case analysis deception or lying to a dying patient is discussed within the context of different relationships: the relationship between the patient and her family doctor, the relationship between the patient and the surgeon and the relationship between the patient and her family. It is suggested that the principle of veracity is not only a core feature in the patient-doctor relationshi...

In standard rational choice modelling decisions are made according to given information and preferences. In the model presented here the 'information technology' of individual decision makers as well as their preferences evolve in a dynamic process. In this process decisions are made rationally by players who differ in their informational as well as in their preference type. Relative success of...

In today’s work environment employees face many problems such as distrust, disempowerment, poor leadership and lack of support from the organization, the consequence of these factors is low commitment of employees towards their organization. Therefore, the basic objective of this paper is to examine the relationship of perceived organizational support, empowerment, perceived leadership behavior...