IBM Academy of Technology member and IBM Fellow, Hamid Pirahesh, won the International Conference on Data Engineering (ICDE) 2006 Influential Paper Award for their ICDE 1996 paper, "Data Cube: A Relational Aggregation Operator Generalizing Group-By, Cross-Tab and Sub-Total."
The paper defined extensions to relational databases that enable efficient OLAP (On-Line Analytic Processing) cubes over relational data in a single query, where previous approaches required multiple queries. This is now incorporated in all major database systems.
Pirahesh collaborated with Adam Bosworth, Jim Gray and Andrew Layman on the paper.
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