Design and implementation of user information sharing system using location-based services for social network services

Internet takes a role as a place for communication between people beyond a space simply for the acquisition of information.Recently,social network service (SNS) reflecting human's basic desire for talk...     

Memcached在彩印SNS网站上的应用

随着彩印业务的不断发展壮大,彩印SNS(Social Networking Services)网站用户访问量逐渐增多,对服务器的性能要求也越来越高。本文主要介绍了在SSH(Spring+Struts+Hibernate)框架下应用memcached缓存技术对彩印SNS网站进行改造,通过减少数据库访问数,加快Web请求处理能力。     

校园社区网页登录的交互界面设计研究

良好的交互界面设计可有效提高网页的登录效率,并能传递网站的定位与文化属性,形成较好的用户体验.以在校大学生为社区网用户群,通过问卷调查方法分析了登录操作行为过程中的用户需求偏好,提出了针对登录表单的3个可用性问题.结合大学生互动社区“易班”的登录界面进行了案例分析,归纳总结出校园社区网页登录界面在导航、布局、背景和文化诉求等方面的界面视觉设计元素.     

Excessive SNS use at work,technological conflicts and employee performance: A social-cognitive-behavioral perspective

Pervasive Social Networking Site (SNS) access has deeply penetrated workers' daily life, inducing excessive usage that can lead to negative consequences. Despite the danger, few studies have examined the dark side of social media from the performance perspective of workers. This paper explores how excessive use of SNSs impacts work performance, considering the underlying mechanisms by using the cognitive-behavioral model and social-cognitive theory (SCT) as the foundations of the model. We propose that excessive usage of SNSs positively influences the cognitive emotional preoccupation and thereby leads to three types of conflicts: task conflict, process conflict, and relationship conflict (TPR conflicts). TPR conflicts, in turn, diminish the work performance. A sample of 386 Chinese SNS user responses were empirically tested to validate the proposed model, and our hypotheses were confirmed except for one: the results reveal that relationship conflict has no significant correlation to work performance. This study contributes to mitigating the destructive nature of social media by identifying its drivers and consequences, considering a comprehensive classification of SNS-related conflicts in the working environment. It also provides theoretical and important practical insights that help organizations to improve their workers’ performance.     

An open book on Facebook? Examining the interdependence of adolescents’ privacy regulation strategies

Users of social network sites (SNSs) use three main strategies that help to manage the privacy of their profile information: (1) limiting the level of data revealed, (2) using privacy settings to exert control over data and (3) audience/friendship management by being restrictive about whom to accept as a ‘friend’. Extant research does not show whether these strategies operate as independent mechanisms or whether they are interdependent and work as a system. Given what offline privacy theorist Irwin Altman (1977 Altman, Irwin. 1977. “Privacy Regulation: Culturally Universal or Culturally Specific?” Journal of Social Issues 33 (3): 66–84. doi: 10.1111/j.1540-4560.1977.tb01883.x[Crossref], [Web of Science ®] , [Google Scholar]) designates as the multi-mechanic nature of privacy protection, we test a model in which we expect to find that the three discerned strategies are related to one another. Structural equation modelling analysis performed on the subsample (n?=?1564) of our study’s data – collected among 1743 adolescents by means of a paper-and-pencil survey – demonstrates that, in line with Altman’s vision of privacy protection, the three discerned strategies effectively operate as an interdependent system. In congruence with the hypotheses derived from extant research, we found that adolescents’ level of disclosure influences adolescents’ involvement in the two other discerned strategies: Adolescents with high levels of personal information disclosure share an increased tendency to have many friends on SNSs and a lower level of using privacy settings.     

社交网络服务中的多维空间视频推荐算法

视频推荐作为一项帮助用户迅速找到其最感兴趣视频的关键技术,是社交网络服务中比较重要的研究内容之一。传统推荐算法未能充分利用视频社会化网站中的多维信息,会导致冷启动和数据稀疏的问题。为此,提出一种社交网络服务中的多维空间视频推荐算法。综合分析构成视频社会化网络的多维信息源要素,在此基础上,通过构建多维聚类空间,进而实现基于多维聚类空间的视频推荐算法,利用构成视频社会化网络的多维信息源要素,为视频的个性化推荐提供信息来源,以解决冷启动和数据稀疏问题。实验结果表明,该算法在视频推荐准确度方面相对于传统视频推荐算法有明显提高。     

Power Aggregation Operators of Simplified Neutrosophic Sets and Their Use in Multi-attribute Group Decision Making

The simplified neutrosophic set (SNS) is a useful generalization of the fuzzy set that is designed for some practical situations in which each element has different truth membership function, indeterminacy membership function and falsity membership function. In this paper, we develop a series of power aggregation operators called simplified neutrosophic number power weighted averaging (SNNPWA) operator, simplified neutrosophic number power weighted geometric (SNNPWG) operator, simplified neutrosophic number power ordered weighted averaging (SNNPOWA) operator and simplified neutrosophic number power ordered weighted geometric (SNNPOWG) operator. We present some useful properties of the operators and discuss the relationships among them. Moreover, an approach to multi-attribute group decision making (MAGDM) within the framework of SNSs is developed by the above aggregation operators. Finally, a practical application of the developed approach to deal with the problem of investment is given, and the result shows that our approach is reasonable and effective in dealing with uncertain decision making problems.      

A comparative study of KakaoStory and Facebook: Focusing on use patterns and use motives

Before global SNS services, such as Facebook and Twitter, were introduced in Korea, Cyworld monopolized the Korean SNS market. However, Cyworld was left behind because it maintained a closed system, which no longer satisfied users. KakaoTalk, a popular Korean mobile messaging application has allowed the messenger itself to become a platform for various services including SNS. KakaoStory began as a photo-based SNS service; by integrating with KakaoTalk’s profile pictures, it has become the most popular SNS in Korea. This study focuses on the usage patterns of SNS users to analyze how KakaoStory became one of the most popular SNSs in Korea. In particular, we have examined the differences in usage patterns between KakaoStory and Facebook, and the primary reasons why Korean users select one of these two social networking sites instead of the other. We conducted an exploratory comparison between KakaoStory and Facebook, specifically focusing on the usage patterns and motivations of both sets of users. We also analyzed how the different usage motivations linked to these two social media networks have influenced usage patterns.     

Cyberbullying on social networking sites: A literature review and future research directions

Cyberbullying on social networking sites is an emerging societal issue that has drawn significant scholarly attention. The purpose of this study is to consolidate the existing knowledge through a literature review and analysis. We first discuss the nature, research patterns, and theoretical foundations. We then develop an integrative framework based on social cognitive theory to synthesize what is known and identify what remains to be learned, with a focus on the triadic reciprocal relationships between perpetrators, victims, and bystanders. We discuss the key findings and highlight opportunities for future research. We conclude this paper by noting research contributions and limitations.     

岩质高边坡SNS柔性防护网及其工程应用

以玉希莫勒盖隧道出口右侧高边坡崩塌落石及沟槽型雪崩治理采用SNS柔性被动防护系统(RX-050)拦截施工为例,介绍了SNS柔性被动防护网的施工技术.该防护系统的设置减少了边坡崩塌落石及雪崩的危险,保证了运营公路的安全,对同类工程的施工具有积极的指导意义.