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COURS MAT 401 , Printemps 2007 Alain Yger 6 février 2008

Nr . / No . 1 – Februar / Février 2000 Intelligent Agents

In an age of rapidly increasing network complexity and diversity, the idea of " bringing intelligence to the network " is becoming more of a necessity than " future work ". Since the early 1990's, agent technology has often been proposed as a way of achieving this more effective, robust and above all autonomous network control. This article provides a brief tour of current trends in network dev...

Trr 1988

Transportation Research Record: Journal of the Transportation Research Board, No. 1988, Transportation Research Board of the National Academies, Washington, D.C., 2006, pp. 63–66. The analytical procedures for all-way stop-controlled intersections in the 2000 edition of the Highway Capacity Manual (HCM) lack a model to estimate the 95th percentile queue length. This is considered a major shortc...

Instant Visibility

We present an online occlusion culling system which computes visibility in parallel to the rendering pipeline. We show how to use point visibility algorithms to quickly calculate a tight potentially visible set (PVS ) which is valid for several frames, by shrinking the occluders used in visibility calculations by an adequate amount. These visibility calculations can be performed on a visibility...

Instant Revocation

PKI has a history of very poor support for revocation. It is both too expensive and too coarse grained, so that private keys which are compromised or otherwise become invalid remain in use long after they should have been revoked. This paper considers Instant Revocation, or revocations which take place within a second or two. A new revocation scheme, Certificate Push Revocation (CPR) is describ...