Ordering, distinctness, aggregation, partitioning and DQP optimization in sybase ASE 15. - Mihnea Andrei; Xun Cheng; Sudipto Chowdhuri; Curtis Johnson; Edwin Seputis (SIGMOD Conference, 2009)

SAP HANA - From Relational OLAP Database to Big Data Infrastructure. - Norman May; Wolfgang Lehner; Shahul Hameed P.; Nitesh Maheshwari; Carsten Müller 001; Sudipto Chowdhuri; Anil K. Goel (EDBT, 2015)