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Indexed at: search.filters.indexed.TR DizinSubject: search.filters.subject.Social networks

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    A reputation-based privacy management system for social networking sites
    (TÜBİTAK, 2013) Yüksel, Mehmet Erkan; Yüksel, Asım Sinan; Department of Computer Engineering; Faculty Member; Department of Computer Engineering; College of Engineering; 8693
    Social networking sites form a special type of virtual community where we share our personal information with people and develop new relationships on the Internet. These sites allow the users to share just about everything, including photos, videos, favorite music, and games, and record all user interactions and retain them for potential use in social data mining. This storing and sharing of large amounts of information causes privacy problems for the users of these websites. In order to prevent these problems, we have to provide strict privacy policies, data protection mechanisms, and trusted and built-in applications that help to protect user privacy by limiting the people who get access to a user's personal information. Thus, the privacy problem has prompted us to provide a solution that o ers the users of these social networking websites an opportunity to protect their information. In this paper, a social networking application and its system design, algorithm, and database structure are described. Our application o ers a reputation-based trusted architecture to social network users. It creates and monitors social reputations, nds social circles, and helps the users to group their friends easily, meaningfully, and automatically to protect their privacy. This system provides the grouping of users through an automated system into di erent social circles by analyzing the user's social connections depending on what common information or application they share that should not be accessed by other users.
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    Mobilization networks and the outcomes of neighborhood protests in Ankara
    (Vehbi Koç Ankara Studies Research Center (VEKAM) / Vehbi Koç Ankara Araştırmaları Uygulama ve Araştırma Merkezi (VEKAM), 2019) Department of International Relations; Ertan, Güneş; Faculty Member; Department of International Relations; College of Administrative Sciences and Economics; 219276
    This study aims to understand how the structure of mobilization networks relates to the outcomes of collective action by using 17 cases of neighborhood protests in Ankara between 2007-2011. Based on police records and on site interviews, the findings of the study suggest that successful outcomes depend on two mobilization structure related processes; the first one facilitates the efficient flow of information for coordination purposes, while the second increases the tendency of participants to use high-risk disruptive tactics due to the prevalence of strong ties amongst the protagonists. This paper also considers, to some extent, the antecedents of these structures, and shows that they originate from two sources that very much depend on each other: the spatial configuration of the neighborhood in question and pre-existing informal social ties. /Öz: Çalışma, 2007-2011 arası Ankara’nın çeşitli mahallelerinde gerçekleşen 17 eylemi inceleyerek mobilizasyon ağlarının yapısının yerel protesto olaylarının sonuçlarıyla nasıl ilişkili olduğunu anlamayı amaçlamaktadır. Araştırmanın verileri polis kayıtları ve saha görüşmelerinden oluşmaktadır. Sonuç olarak olumlu sonuç ile ilişkili iki ayrı mekanizma belirlenmiştir. Birinci mekanizma verimli bilgi akışını sağlayarak katılımcıların koordinasyonunu kolaylaştırır. İkincisi ise katılımcıların arasındaki güçlü bağlar nedeniyle riskli taktiklerin kullanılma eğilimini artırır. Mobilizasyon ağlarının öncülleri olarak mekansal yapılar ve enformel sosyal ağlar göze çarpmaktadır.