The following is probably the set of those papers at the conference which address some aspect(s) of Reasoning about Actions and Change.
Mohktari, A., and Daniel Kayser: Time in Causal Theory. Topics: [causation], [time]. Code: [Mohktari96A].
Trudel, A., and D. Gagne: A Topological Transition Based Logic for the Qualitative Motion of Objects. Topics: [motion]. Code: [Trudel96A].
Vila, Lluís, and Eddie Schwalb: A Theory of Time and Temporal Incidence based on Instants and Periods. Topics: [time]. Code: [Vila96A].
Yi, Choong-Ho: Reasoning about Concurrent Actions within Features and Fluents. Topics: [explicit-time], [concurrency]. Code: [Yi96B].