General Incremental Sliding-Window Aggregation (p702-tangwongsan...

General Incremental Sliding-Window AggregationKanat Tangwongsan˚ Martin Hirzel Scott Schneider Kun-Lung Wu Mahidol University International College IBM Research, Yorktown Heights, NY, USAkanat.tan@mahidol.edu {hirzel,scott.a.s,klwu}@us.ibm.comABSTRACT Stream processing is gaining importance as more data becomesavailable in the form of continuous streams and companies com- pete to promptly extract insights from them. In such applications, sliding-window aggregation is a central operator, and incr