characteristics of Twitter and its power as a new medium of information sharing. We have crawled the entire Twitter site and obtained 41.7 million user profiles, 1.47 billion social relations, 4, 262 trending topics, and 106 million tweets. In its follower-following topology analysis we have found a non

Mobile phones as a social medium for the deaf: a uses and gratifications study

as follows. Section 2 explains the concepts of a social medium and the presenter robot. Section 3 describes the method of designing a presenter robot to perform a specific task. Section 4 presents our approach and the details of the implementation of the presenter robot. Section 5 concludes this study

Online human interactions take place within a dynamic hierarchy, where social influence is determined by qualities such as status, eloquence, trustworthiness, authority and persuasiveness. In this work, we consider topic-based Twitter interaction networks, and address the task of identifying

by relying trust, which is the basis of all social interactions. Although a small number of trust models have been proposed for the virtual medium, we find that they are largely impractical and artificial. In this paper we provide and discuss a trust model that is grounded in real-world social trust

A new type of social medium, which allows users to broadcast live video from mobile devices to websites on the internet, is becoming increasingly popular. We provide a qualitative content analysis of a sample from four such services. The analysis specifically focuses on the topics presented

Статья посвящена анализу социализирующей роли общества. С точки зрения Пла-тона рассматриваются последствия правильного и ошибочного осуществления воспи-тания и обучения, находящих отражение в формировании добродетельных или пороч-ных граждан. На примере неправильных типов государственного устройства, Платон вскрывал присущие им изъяны и псевдоценности, губительно сказывающиеся на жизненных уста-новках всего населения, т.к. неверные убеждения людей становятся причинами распрей, войн, плохих законов и несчастной жизни человека. Это позволило философу констати-ровать противоречивость человеческой природы, стремящейся вместо саморазвития к удовольствиям. Решение данной проблемы Платон видел в создании идеального государства, свобод-ного от пороков тимократии, олигархии, демократии и тирании. Однако характери-стики идеальной модели государственного устройства, свидетельствуют о жесткой социальной стратификации, деиндивидуализации, выступающих, по сути, стабилиза-торами слаженной работы государства. Ключевые слова: государство; добродетель; правитель; тиран; лишенный граж-данских прав; раб; закон; семья.

a field experiment at a train station –

naling. While the CCCBmeetings arose from interests in pheromone signaling and quorum sensing, it was evident at CCCB-5 that the cell-cell communication field is continuing to mature, expanding into new areas and integrating cutting-edge technolo-gies. In this minireview, we recap some of the research discussed at CCCB-5 and the questions that have arisen from it. The 5th American Society for Microbiology Conference onCell-Cell Communication in Bacteria (CCCB-5), which con-vened from 18 to 21 October 2014 in San Antonio, TX, and was organized by Marvin Whiteley and Eric Stabb, highlighted recent advances in our understanding of microbial intercellular signal-ing. (For reviews of past meetings, see references 1 to 4.) Tradi-tionally, cell-cell communication has mainly focused on quorum sensing (QS), in which bacteria release small diffusible molecules that can alter a neighboring cell’s behavior when present at thresh-old levels, therefore permitting for the measurement of local cell density. It was evident at CCCB-5 that the cell-cell communica-tion field is continuing to mature, moving from identifying new QS molecules to understanding environmental inputs affecting

of media, and the methods that employ them, as they interact with the cognitive and social processes by which knowledge is constructed. This approach is examined within the context of two major media-based projects, one which uses computers and the other video. The article discusses the implications