From: AAAI-02 Proceedings. Copyright © 2002, AAAI (www.aaai.org). All rights reserved. AAAI-02 Outstanding Paper Award This year, AAAI's National Conference on Artificial Intelligence honors one paper that exemplifies high standards in technical contribution and exposition. During the blind review process, members of the Program Committee recommended papers to consider for the Out- standing Paper Award. A subset of the Senior Program Committee, carefully chosen to avoid conflicts of interest, reviewed all such papers and selected the winning paper: On Computing All Abductive Explanations Thomas Eiter, Technische Universität Wien and Kazuhisa Makino, Osaka University xxi