She is also a principal researcher in National ICT Australia's Knowledge Representation & Reasoning Program. She has over 40 publications in refereed conferences and journals and is one of the co-chairs of ICAPS-07. Her research interests in artificial intelligence include planning, reasoning under uncertainty, model-based diagnosis, and search. In the past few years, she and her colleagues have developed a range of approaches for handling concurrency and time in planning under uncertainty, leading to planners such as Prottle, Paragraph, and FPG. She was an invited speaker at the International Workshop on Planning and Scheduling for Space (IWPSS-06), where her talk focused on probabilistic temporal planning.