César Sánchez Matteo Slanina Henny B. Sipma Zohar Manna The Reaction Algebra: A Formal Language for Event Correlation. 596-619 2008 conf/birthday/2008trakhtenbrot Pillars of Computer Science http://dx.doi.org/10.1007/978-3-540-78127-1_33 db/conf/birthday/trakhtenbrot2008.html#SanchezSSM08