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2 results for “securities exchanges”
Lab Study Dataset: Fast and Secure Contact Exchange in Groups
<p>This record contains the <strong>lab study dataset</strong> and <strong>evaluation R source code</strong> from the paper <em>"Sounds Good? Fast and Secure Contact Exchange in Groups"</em> by Florentin Putz, Steffen Haesler, and Matthias Hollick in Proceedings of the ACM on Human-Computer Interaction (CSCW '24).</p> <p> </p> <p><strong>Abstract:</strong></p> <p>Trustworthy digital communication requires the secure exchange of contact information, but current approaches lack usability and scalability for larger groups of users. We evaluate the usability of two secure contact exchange systems: the current state of the art, SafeSlinger, and our newly designed protocol, <em>PairSonic</em>, which extends trust from physical encounters to spontaneous online communication. Our lab study (N=45) demonstrates PairSonic's superior usability, automating the tedious verification tasks from previous approaches via an acoustic out-of-band channel. Although participants significantly preferred our system, minimizing user effort surprisingly decreased the perceived security for some users, who associated security with complexity. We discuss user perceptions of the different protocol components and identify remaining usability barriers for CSCW application scenarios.</p> <p> </p> <p><strong>Dataset:</strong></p> <p>Our pseudonymous dataset contains usability, security, and preference scores, completion times, reported usage of nine types of social and collaborative tools, and seven demographic and control variables, for each of our 45 participants.</p> <p> </p> <p><strong>Analysis source code:</strong></p> <p>Our R Markdown source code includes the full reproducible code of our analysis. This code generates all statistical figures from our paper. The code can also be used to reproduce our quantitative results and tables.</p> <p>Please refer to the README.md file and our paper for further details about the dataset and the lab study.</p> <p> </p> <p><strong>Acknowledgments:</strong></p> <p>This work has been funded by the LOEWE initiative (Hesse, Germany) within the emergenCITY center [LOEWE/1/12/519/03/05.001(0016)/72].</p>
International cooperation and Chinese pension reform II: International exchange Ministry of Labor, Ministry of Labor and Social Security, Ministry of Human Resource and Social Security (1990-2010)
<p>The list provides an overview of international exchange activities of the Chinese Ministry of Labor (1990-1998), Ministry of Labor and Social Security (1998-2008), Ministry of Human Resource and Social Security (2008-2010). The list does not claim to be exhaustive.</p> <p>Matthias Stepan has compiled the data and information in the period 2009-2013. It has been part of his dissertation project at VU University Amsterdam. </p> <p>The main source of the data are the respective yearbooks of the ministries (中国劳动和社会保障年鉴) section International cooperation and exchange (对外合作与交流). </p>
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