20th International Conference, CC 2011, Held as Part of the Joint European Conference on Theory and Practice of Software, ETAPS 2011, Saarbrücken, Germany, March 26--April 3, 2011, Proceedings

20th European Symposium on Programming, ESOP 2011, Held as Part of the Joint European Conference on Theory and Practice of Software, ETAPS 2011, Saarbrücken, Germany, March 26--April 3, 2011, Proceedings

14th International Conference, FASE 2011, Held as Part of the Joint European Conference on Theory and Practice of Software, ETAPS 2011, Saarbrücken, Germany, March 26--April 3, 2011, Proceedings

14th International Conference, FOSSACS 2011, Held as Part of the Joint European Conference on Theory and Practice of Software, ETAPS 2011, Saarbrücken, Germany, March 26--April 3, 2011, Proceedings

17th International Working Conference, REFSQ 2011, Essen, Germany, March 28-30, 2011. Proceedings

16th IAPR International Conference, DGCI 2011, Nancy, France, April 6-8, 2011, Proceedings

Essays Dedicated to Gheorghe Paun on the Occasion of His 60th Birthday

33rd European Conference on IR Resarch, ECIR 2011, Dublin, Ireland, April 18-21, 2011, Proceedings

13th Asia-Pacific Web Conference, APWeb 2011, Beijing, Chiina, April 18-20, 2011. Proceedings