1. Apache Apex. http://apex.apache.org. 2019. Apache Apex. http://apex.apache.org. 2019.
2. Apache Beam. http://beam.apache.org. 2019. Apache Beam. http://beam.apache.org. 2019.
3. Apache Flink's Table API. https://ci.apache.org/projects/flink/flink-docs-stable/dev/table/tableApi.html. 2019. Apache Flink's Table API. https://ci.apache.org/projects/flink/flink-docs-stable/dev/table/tableApi.html. 2019.
4. Apache Hadoop. http://hadoop.apache.org. 2019. Apache Hadoop. http://hadoop.apache.org. 2019.
5. Apache Hadoop Capacity Scheduler. http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html. 2019. Apache Hadoop Capacity Scheduler. http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html. 2019.