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

Warm cache costing: a feedback optimization technique for buffer pool aware costing. - H. S. Ramanujam; Edwin Seputis (EDBT, 2010)