Although there is a substantial amount of work on formal requirements for two and three-party key distribution protocols, very little has been done on requirements for group proto...
Collaboration on Web search is common in many domains, such as education and knowledge work; recently, HCI researchers have begun to introduce prototype collaborative search tools...
A new concept of society-oriented designated confirmer signatures (SDCS) is introduced in this paper. SDCS is well suited to applications where the capability of the signer and th...
The context concept can be used with advantage in the area of Computer-Supported Cooperative Work. In many studies, several forms of context have been used without explicit associ...
Abstract. We say the endomorphism problem is solvable for an element W in a free group F if it can be decided effectively whether, given U in F , there is an endomorphism φ of F ...