On Playing "Twenty Questions" with a Liar

  title={On Playing "Twenty Questions" with a Liar},
  author={Aditi Dhagat and P{\'e}ter G{\'a}cs and Peter Winkler},
Motivated by the problem of searching in the presence of adversarial errors, we consider a version of the game “Twenty Questions” played on the set {0,…,N-1} where the player giving answers may lie in her answers. The questioner is allowed <italic>Q</italic> questions and the responder may lie in upto [<italic>rQ</italic>] of the answers, for some fixed and previously known fraction <italic>r</italic>. Under three different models of this game and for two different question classes, we give… CONTINUE READING