Constitutes the refereed proceedings of the 19th International Colloquium on Structural Information and Communication Complexity, SIROCCO 2012, held in Reykjavik, Iceland for 3 days starting June 30, 2012.

This book constitutes the refereed proceedings of the First Mediterranean Conference on Algorithms, MedAlg2012, held in Kibbutz Ein Gedi, Israel, in December 2012.
The 18 papers presented were carefully reviewed and selected from 44 submissions. The conference papers focus on the design, engineering, theoretical and experimental performance analysis of algorithms for problems arising in different areas of computation. Topics covered include: communications networks, combinatorial optimization and approximation, parallel and distributed computing, computer systems and architecture,...