Nowadays, both text-based and 3D online applications rely on conversational agents autonomous characters to interact with users. Previous experiments demonstrated that perceived agency, is say, one’s belief in interacting a computer- or another human-controlled entity could impact social interaction. At present, theories results still diverge no consensus has been reached. Therefore, we develop...

As actors participate in the production of public goods, processes of social comparison may affect the

BACKGROUND Health sector reforms taking place in Colombia during the Nineties included policies to promote social participation in the health system, which is considered essential to its functioning. The aim of this article is to analyse the meaning and the significance of participation in health for the different social actors involved in implementing policies in Colombia. METHODS A qualitat...

Despite the progress made during the last decade in video understanding, extracting high-level semantics in the form of relations among the actors in a video is still an under-explored area. This chapter discusses a streamlined methodology to learn interactions between actors, construct social networks, identify communities, and find the leader of each community in a video sequence from a socio...

This study aimed to evaluate the effect of type of players on ecosystem accounting system using structural equations. In total, 84 activists in the field of environmental accounting (ecosystem) were selected through convenience sampling. Subjects filled the 22-item questionnaire of components of actor network and the 25-item questionnaire of ecosystem accounting. Given the fact that the signifi...

Despite a strong interest in media coverage of social problems, sociologists have failed to examine when and why news outlets present issues as problems in need of public action within short time periods. Through content analysis of 475 newspaper articles and negative binomial regression, I show that coverage of homelessness varies in the extent to which it presents homelessness as a social pro...

Link prediction has become a common way to infer new associations among actors in social networks. Most existing methods focus on the local and global information neglecting the implication of the actors in social groups. Further, the prediction process is characterized by a high complexity and uncertainty. In order to address these problems, we firstly introduce a new evidential weighted versi...

Monitoring threats to information security is increasingly becoming important to protecting secured organizational documents. There is increasing number of threats to information security, which originates from the internal users of the system. Insider is defined as a trusted person and has access to classified documents. Our focus here is on understanding mechanisms for monitoring insiders wor...

Public spaces changed in the last couple of years: abundant use of smart phones and other digitally connecting devices draw peoples' attention away from physical neighbors to virtual peer groups. So, will masses of isolated people be the desired future? We think that current technology involving new display technology and, therein, new interaction possibilities hint at a different future vision...

A social network (SN) 1 is defined as a tuple , where: V – is a not-empty set of actors representing social entities: humans, organizations, departments etc., called also vertices, nodes, vertexes, members, cases, agents, instances or points; E – is a set of directed edges (relations between actors called also arcs, connections, or ties) where a single edge is represented by a tuple ,...