Commonsense AI: Myth and Tr ut h—cheeseburger stabbing redux, 2021 edition —YejinChoiPaul G. Allen School of Computer Science & Engineering University of Washington &Allen Institute for Artificial IntelligenceCommonsense AI: Myth and Tr ut h—cheeseburger stabbing redux, 2021 edition —YejinChoiPaul G. Allen School of Computer Science & Engineering University of Washington &Allen Institute for Artificial IntelligenceYear 2020ACL Commonsense TutorialVered ShwartzMaarten SapAntoine BosselutYejin ChoiDan Roth— 2nd most popular (among 8 tutorials) —https://homes.cs.washington.edu/~msap/acl2020-commonsense/5k = # of the main conference registration1.3k = # of our tutorial registration3.4k = # of view counts on our recorded lecturesUW=> @EPFLUW=> @TBDAI2=> @TBDCirca 2017…Shouldn’t work on it since it won’t workDon’t even say that wordThat’s a research topic of 70s & 80sCommonsense ?What is commonsense?• Commonsense AI is an impossible goal (ever)• That’s a research topic of 70s and 80s• Maybe only possible in the faraway future• It’s what everyone knows and agrees on?• language is irrelevant to commonsense?• Too hard to define precisely, thus shouldn’t work on itShould we or should we not?Tr u t h or Myth?2017 — 2020Commonly held beliefs• Knowledge and reasoning are distinct and exclusive• Language is in the way of reasoning; let’s do formal logics• Language is not symbols. Words and numbers are, but not language at large• Humans acquire commonsense completely un-/self-supervised, thus so should machinesWhat is commonsense?Should we or should we not?• Commonsense AI is an impossible goal (ever)• That’s a research topic of 70s and 80s• Maybe only possible in the faraway future• It’s what everyone k...