This fourvolume set LNCS 9528, 9529, 9530 and 9531 constitutes the refereed proceedingsof the 15th International Conference on Algorithms and Architectures for Parallel Processing, ICA3PP 2015, held in Zhangjiajie, China, in November 2015.The 219revised full papers presented together with 77 workshop papers in these fourvolumes were carefully reviewed and selected from 807 submissions (602 fullpapers and 205 workshop papers). The first volume comprises the followingtopics: parallel and distributed architectures; distributed and network-basedcomputing and internet of things and cyber-physical-social computing. Thesecond volume comprises topics such as big data and its applications andparallel and distributed algorithms. The topics of the third volume are:applications of parallel and distributed computing and service dependabilityand security in distributed and parallel systems. The covered topics of the fourthvolume are: software systems and programming models and performance modelingand evaluation.