Information theoretic security : 6th international conference, ICITS 2012, Montreal, QC, Canada, August 15-17, 2012 : proceedings

Similarity search and applications : 5th international conference, SISAP 2012, Toronto, ON, Canada, August 9-10, 2012 : proceedings

Approximation, randomization, and combinatorial optimization : algorithms and techniques : 15th international workshop, APPROX 2012 and 16th International Workshop, RANDOM 2012 Cambridge, MA, USA, August 15-17, 2012 : proceedings

Integration of AI and OR techniques in constraint programming for combinatorial optimization problems : 9th international conference, CPAIOR 2012, Nantes, France, May 28 – June 1, 2012 : proceedings

Language and automata theory and applications : 6th international conference, LATA 2012, A Coruna, Spain, March 5-9, 2012 : proceedings