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Thursday, December 10, 2009. Given a graph, the source and the destination, it is an important problem to find the shortest path between the source and the destination. Shortest path is used in scheduling, routing and other application areas. Bellman-Ford algorithm solves single source problem if edge weights may be negative.
Examples from Hadoop, Pig, HBase, Flink and Spark. SQL interfaces such as Hive and SparkSQL provide the expressiveness. However, matching the performance is proving to be a much harder . Rules to follow when using polymorphic .