The following is probably the set of those papers at the conference which address some aspect(s) of Reasoning about Actions and Change.
Baral, Chitta, Alfredo Gabaldon, and Alessandro Provetti: Formalizing narratives using nested circumscription. Topics: [filtering]. Code: [Baral96A].
Coradeschi, Silvia: Reasoning with misperceptions in the features and fluents framework. Topics: [observation], [qualification]. Code: [Coradeschi96B].
Giunchiglia, Enrico: Solutions to the frame problem. Code: [Giunchiglia96A].
Huang, Zhisheng, and John Bell: Safety logics I: absolute safety. Code: [Huang96A].
Kartha, Neelakantan: On the range of applicability of Baker's approach to the frame problem. Topics: [Baker-minim], [assessment]. Code: [Kartha96A].
Kelley, Todd: Reasoning about physical systems with the situation calculus. Code: [Kelley96A].
Lifschitz, Vladimir: Two components of an action language. Code: [Lifschitz96A].
Lin, Fangzhen: Abstract operators, indefinite effects and the magic predicate. Topics: [nondeterminism]. Code: [Lin96A].
Mendez, Gisela, Jorge Lobo, Jimena Llopis, and Chitta Baral: Temporal logic and reasoning about actions. Code: [Mendez96A].
Miller, Rob: A case study in reasoning about actions and continuous change. Topics: [continuous]. Code: [Miller96A].
Provetti, Alessandro: Formalizing causal reasoning in law with an action-based language. Topics: [causation]. Code: [Provetti96A].
Reiter, Ray: Cognitive Robotics. Topics: [cogrobotics]. Code: [Reiter96A].
Shanahan, Murray: Robotics and the commonsense informatic situation. Topics: [abduction], [continuous], [sensing], [event-calculus], [cogrobotics]. Code: [Shanahan96A].
Soutchanski, Michail: Transition system semantics for deterministic situation calculus. Topics: [ontology]. Code: [Soutchanski96A].
Turner, Hudson: Representing actions in default logic: a situation calculus approach. Topics: [default-logic]. Code: [Turner96A].
Zhang, Yan: Compiling causality into action theories. Topics: [causation]. Code: [Zhang96A].