background: co-authorship is one of the most tangible forms of research collaboration. a co-authorship network is a social network in which the authors through participation in one or more publication through an indirect path have linked to each other. the present research using the social network analysis studied co-authorship network of 681 articles published in journal of research in medical...

Many network analysis tasks in social sciences rely on pre-existing data sources that were created with explicit relations or interactions between entities under consideration. Examples include email logs, friends and followers networks on social media, communication networks, etc. In these data, it is relatively easy to identify who is connected to whom and how they are connected. However, mos...

Opinion leadersplay important roles in interpersonalcommunication.Marketerscancontact the opinionleadersandreducecostsandimproveoverallcommunicationefficacybycommunicating effectivelywiththem.Thisstudyinvestigatestheopportunityofconsumersbecomingopinionleaders andalsoinvestigatestheeffectsofperceivedriskandshoppingvalueononlineconsumerpurchase...

This study targets social login registrants on an EC site and aims to clarify the difference between the purchasing tendency of social login registrants and general members by analyzing product purchasing history. The authors focused on the golf portal site that is the subject of this research. The authors analyzed the purchasing data comparing social login registrants with general members. It ...