Abstract. This paper describes the official measures of retrieval effectiveness employed in INEX 2005: the eXtended Cumulated Gain (XCG) measures. In addition, results of correlat...
Abstract. We introduce the DR-CONTRACT architecture to represent and reason on e-Contracts. The architecture extends the DR-device architecture by a deontic defeasible logic of vio...
We suggest to extend BPEL4WS with structured activities for multiple instantiation since this is a crucial feature of a business process modelling language. In particular, we propo...
In this paper we extend the model of program variables from the Refinement Calculus [2] in order to be able to reason more algebraically about recursive procedures with parameter...
in SIAM J. of Computing, Vol. 32, No. 3, pp. 586-615, 2003. An extended abstract of this paper appears in the Proceedings of Crypto 2001, volume 2139 of Lecture Notes in Computer S...