The Papers program has been put online and ILM has an accepted paper in cooperation with Stanford University called "Smoke Simulation For Large-Scale Phenomena" to be presented Thursday July 31 at 8 am. There is also a paper by Pixar on "Untangling Cloth", plus Dan B. Goldman, part time ILM CG Supervisor and grad student at the University of Washington is one of the co-authors of a paper on "Shadow Matting and Compositing".
There are also several papers from Stanford University which might have had some ILM cooperation but it's difficult to know without having more extensive descriptions. You can see the listing of the ILM paper here:
You can see about the Pixar and Dan B. Goldman paper here:
Dan B. Goldman is getting his PhD at the University of Washington and still works part time at ILM last info we had (but don't ask him how). Most recently he worked in Star Wars Episode II and was a SIGGRAPH Course presenter last year.
This year the Papers program will start Monday and run all the way through Thursday and on two days it run until 7 pm. You can get the complete SIGGRAPH 2003 Papers listing here:
Also available is the first list of the Birds of a Feather meetings and one will be dedicated to CinePaint (formerly Film Gimp) and Open Source (presumably with an emphasis in the VFX industry):