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

Predictive non-equilibrium social science. - Richard Colbaugh; Kristin Glass; Curtis Johnson (WSC, 2012)