With the development of social networks, the mechanism of crowdsourcing is not limited to commercial application. In the event of disaster, information disseminated through social networks, and the mechanism of crowdsourcing thus is established. However, it is worth discussing whether the accuracy of the disaster information through the virtual community can be referred to the government agenci...

There has been extensive research into friend-oriented and professional social networking websites, but relatively little work on passion-oriented sites designed to connect strangers around a shared passion. In this study, we extend the work on passion-oriented social networking through an examination of pet-oriented social networks. We address two questions. First, do people interacting in sem...

In this paper we study tools for conviviality to develop user-friendly multiagent systems. First, we show how to use the social-cognitive concept of conviviality in multiagent system technology by relating it to agent power and social dependence networks. Second, we define conviviality masks as transformations of social dependencies by hiding power relations and social structures to facilitate ...

bullying is a kind of peers’ altercation which usually occurs in schools. it seems to be a universal phenomenon that can be observed almost in all classrooms. since the expansion of information and communication technologies, there have been social concerns related to negative effects of these networks, especially in adolescents. in this paper which documentary methodology by referring to execu...

Quantification of human group-behavior has so far defied an empirical, falsifiable approach. This is due to tremendous difficulties in data acquisition of social systems. Massive multiplayer online games (MMOG) provide a fascinating new way of observing hundreds of thousands of simultaneously socially interacting individuals engaged in virtual economic activities. We have compiled a data set co...

Virtual worlds and massively multi-player online games are rich sources of information about large-scale teams and groups, offering the tantalizing possibility of harvesting data about group formation, social networks, and network evolution. However these environments lack many of the cues that facilitate natural language processing in other conversational settings and different types of social...

The current interest and extension of social networking are rapidly introducing a large number of applications that originate new communication and interaction forms among their users. Social networks and virtual worlds, thus represent a perfect environment for interacting with applications that use multimodal information and are able to adapt to the specific characteristics and preferences of ...

The scale, velocity, and dynamic nature of large scale social media systems like Twitter demand a new set of visual analytics techniques that support near real-time situational awareness. Social media systems are credited with escalating social protest during recent large scale riots. Virtual communities form rapidly in these online systems, and they occasionally foster violence and unrest whic...

We explore what benefits network position in online business social networks like LinkedIn might confer to an aspiring entrepreneur. We compare two network attributes, size and embeddedness, and two actor attributes, location and diversity, between virtual and real-world networks. The promise of social networks like LinkedIn is that network friends enable easier access to critical resources suc...