This volume constitutes the proceedings of the 6th International Symposium on Programming Language Implementation and Logic Programming (PLILP '94), held in Madrid, Spain in September 1994. The volume contains 27 full research papers selected from 67 submissions as well as abstracts of full versions of 3 invited talks by renowned researchers and abstracts of 11 system demonstrations and poster presentations. Among the topics covered are parallelism and concurrency; implementation techniques; partial evaluation, synthesis, and language issues; constraint programming; meta-programming and...

This volume contains the proceedings of the 11th International Conference on Veri?cation, Model Checking, and Abstract Interpretation (VMCAI 2010), held in Madrid, Spain, January 17-19, 2010. VMCAI 2010 was the 11th in a series of meetings. Previous meetings were held in Port Je?erson (1997), Pisa (1998), Venice (2002), New York (2003), Venice(2004), Paris(2005), Charleston(2006), Nice(2007), SanFrancisco(2008), and Savannah (2009). VMCAI centers on state-of-the-art research relevant to analysis of programs and systems and drawn from three research communities: veri?cation, model checking,...