社会计算与软件可信trustie.ppt

* * * * * * * Web 2.0 Alexa @ 2010.09 USA CHINA GLOBAL 1 Google Baidu Google 2 Facebook QQ Facebook 3 Yahoo! Taobao YouTube 4 YouTube Sina Yahoo! 5 Amazon Google Windows Live 6 Wikipedia 163 Baidu 7 Twitter Sohu Wikipedia 8 eBay Soso Blogger 9 Craigslist Sogou Blogspot 10 Windows Live Youku Twitter Alexa 网站排名 Social Networking Social Bookmarking Social Media Social News Social Knowledge Sharing Social Marketing Social Computing Social Behavior Computational Systems Social Computing 问题和认识 1 可信软件技术体系 2 社会计算 4 5 Trustie项目的背景和目标 3 社会计算中的可信 社会计算与可信--Trustie * Trustworthiness ? humans are socially blind and unsure in the cyber space. Can computing facilities be trusted? Can information systems be dependable? Can unknown people in the other end be trustworthy? Can certain community be trusted? * What is Trustworthiness ? In Wiktionary, trustworthiness is the personal state or quality of being trustworthy or reliable. We may refer trustworthiness as a value assigned to a human or a thing to show how (s)he or it is worthy of being trusted, honest, reliable, or dependable. In social computing, trustworthy computing facilities or human beings are those having acceptable trustworthiness within users’ expectations, where users can be human beings or computing facilities. * Trustworthiness ? Human-Computer Interaction vs Social Computing Dependability Trustworthiness Trusted Computing 可信计算组织TCG Trustworthy Computing 微软Microsoft High Confidence 美国信息与通信委员会CIC Dependability IEEE * Trustworthiness in Social Computing * Trustworthiness in Social Computing ‘Trusted’ sets up agreements of acceptable trust on common computing facilities ( security only ) Trusted computing hardware and software serves as elementary facilities for social computing. ‘Trustworthy’ broadens its attributes, with security, privacy, reliability, and business integrity involved, under common expectations. ‘Dependability’ and ‘High Confidence’ are about trustworthiness of human bein