Aleksandr Simma Moisés Goldszmidt John MacCormick Paul Barham Richard Black Rebecca Isaacs Richard Mortier CT-NOR: Representing and Reasoning About Events in Continuous Time. 484-493 2008 UAI http://uai2008.cs.helsinki.fi/UAI_camera_ready/simma.pdf conf/uai/2008 db/conf/uai/uai2008.html#SimmaGMBBIM08