PLASMA: A Constraint Based Planning Architecture. - Andrew Bachmann; Tania Bedrax-Weiss; Jeremy Frank; Michael Iatauro; Conor McGann; Will Taylor (CP, 2004)

Strategies for Global Optimization of Temporal Preferences. - Paul H. Morris; Robert A. Morris 001; Lina Khatib; Sailesh Ramakrishnan; Andrew Bachmann (CP, 2004)