Euro-Par 2008 workshops - parallel processing VHPC 2008, UNICORE 2008, HPPC 2008, SGS 2008, PROPER 2008, ROIA 2008, and DPA 2008, Las Palmas de Gran Canaria, Spain, August 25-26, 2008, Revised selected papers - C©♭sar, Eduardo (Lecture Notes in Computer Science,, 2009)