Map-reduce-merge: simplified relational data processing on large clusters Map-reduce-merge: simplified relational data processing on large clusters (freely-accessible slides). Hung-chih Yang, Ali Dasdan, Ruey-Lung Hsiao, D. Stott Parker. 2007 ACM SIGMOD conference. Map-Reduce is a programming model that enables easy development of scalable parallel applications to process a vast amount of data on