Artificial IntelligenceVolume 170, Issue 18, December 2006, Page 1193Editorial NoteAuthor links open overlay panelPeter Norvig (The Review Editor), Don Perlis (The Review Editor)Show moreShareCitehttps://doi.org/10.1016/j.artint.2006.10.001Get rights and contentUnder an Elsevier user licenseopen archivePrevious article in issueNext article in issueRecommended articlesCited by (0)Copyright © 2006 Elsevier B.V. All rights reserved.