The shape of the Web in terms of its graphical structure has been a widely interested topic. Two graphs, Bow Tie and Daisy, have stood out from previous research. In this work, we...
Jonathan J. H. Zhu, Tao Meng, Zhengmao Xie, Geng L...
Modern dynamic distributed information systems need access control policies to address controlling access to multiple resources that are distributed. The s may be considered as a ...
Linying Su, David W. Chadwick, Andrew Basden, Jame...
Suppose Bob, the boss in Company A, pays a secure cloud storage service and authorizes all the employees in that company to share such a service. There exists a user hierarchy: Bob...
Many VR platforms emphasize extensibility to support as wide a range of applications as possible. The current trend is to move this extensibility to lower levels of the system to ...
In this paper we propose a new reciprocity index for quantifying social relationships based on mobile phone call detail records and Twitter blogs. We use this reciprocity index to ...