We describe a discourse annotation scheme for Chinese and report on the preliminary results. Our scheme, inspired by the Penn Discourse TreeBank (PDTB), adopts the lexically groun...
In ciphertext policy attribute-based encryption (CP-ABE), every secret key is associated with a set of attributes, and every ciphertext is associated with an access structure on a...
In this paper we discuss the important practical problem of customer wallet estimation, i.e., estimation of potential spending by customers (rather than their expected spending). ...
Claudia Perlich, Saharon Rosset, Richard D. Lawren...
Group key agreement is a fundamental building block for secure peer group communication systems. Several group key agreement protocols were proposed in the last decade, all of the...
Yair Amir, Yongdae Kim, Cristina Nita-Rotaru, Gene...
In this paper we give a practical and e cient output-sensitive algorithm for constructing the display of a polyhedral terrain. It runs in Od + nlog2 n time and uses On n space, wh...