Abstract With the increasing of requirements from many aspects, various queries and analyses arise focusing on social network. Time is a common necessary dimension in types networks. Social networks with time information are called temporal networks, which can be when user sends message to another user. Keywords search consists finding relationships between group users that has set query labels...

one of the most important issues related to knowledge discovery is the field of comment mining. opinion mining is a tool through which the opinions of people who comment about a specific issue can be evaluated in order to achieve some interesting results. this is a subset of data mining. opinion mining can be improved using the data mining algorithms. one of the important parts of opinion minin...

In online social networks, users create a profile by setting some attributes that help in characterizing the user. We call these profile attributes the keywords of the user. In this work, we focus on social networks based on keywords and study how keywords can be effectively used to model and search in such networks. We make two main contributions in this thesis. First, we study the relationshi...

The Association between Use of Virtual Social Networks and Social Isolation among High School Girls in Shahrekord   K. Karimian [1] M. Parsamehr, Ph.D. [2] S.A.R. Afshani, Ph.D. [3]   This study [4] sought to examine the association between use of virtual social networks and social isolation among high school girls in Shahrekord. The research method was survey. The statistical population ...

This paper presents a novel framework for ubiquitous social networks (USNs). Instead of making virtual connections, on the basis of human social networks, an effort has been made to facilitate interactions among human social networks with the help of virtual social networks. The imperative domains that support ubiquitous social networks are highlighted and different scenarios are provided to pr...