This book constitutes the thoroughly refereed proceedings of the 18th International Conference, Euro-Par 2012, held in Rhodes Islands, Greece, in August 2012. The 75 revised full papers presented were carefully reviewed and selected from 228 submissions. The papers are organized in topical sections on support tools and environments; performance prediction and evaluation; scheduling and load balancing; high-performance architectures and compilers; parallel and distributed data management; grid, cluster and cloud computing; peer to peer computing; distributed systems and algorithms; parallel and distributed programming; parallel numerical algorithms; multicore and manycore programming; theory and algorithms for parallel computation; high performance network and communication; mobile and ubiquitous computing; high performance and scientific applications; GPU and accelerators computing.

With the proliferation of Internet access, e-commerce systems are increasingly important as a new and effective method to distribute, transact, and exploit digital multimedia content. With the growth of multimedia content, management and protection become a critical issue, creating a need for digital rights management systems. Digital Rights Management for E-Commerce Systems highlights innovative technologies used for the design and implementation of advanced e-commerce systems facilitating digital rights management and protection. Through comprehensive coverage of the full range of technological, legal, and social issues related to digital rights management, this authoritative scholarly work provides researchers, practitioners, and students with a complete understanding of the most critical concerns of today's digital content industry.