games, computers, and artificial intelligence

Games, computers, and artificial intelligenceNDHU CSIE AI Lab

羅仲耘

2004/10/07 Games, computers, and artificial intelligence 2

Outline

• Games types– Puzzles– Two-player perfect-information games– Imperfect-information and stochastic games

• New frontiers• Predicted program strengths• Poker• Future works• References

2004/10/07 Games, computers, and artificial intelligence 3

Puzzles

• 24-puzzles– Search-space size from O(1025) to O

(1012)

• Crossword puzzles– Without understanding the semantics

of the puzzles’ clues.

• Other Interesting puzzles– Rubik’s Cube and Sokoban.

2004/10/07 Games, computers, and artificial intelligence 4

Two-player perfect-information games• Chess

– Deep blue

• Othello– LOGISTELLO– Improving heuristic mini-max search b

y supervised learning

• Hex– Hexy– Theorem-prover-like search

2004/10/07 Games, computers, and artificial intelligence 5

Two-player perfect-information games (cont’)• Shogi

– Have a long way to go

• Go– Still a weak player

• Others– Draughts(10x10 checker) – Lines of Action– Amazons– Octi

2004/10/07 Games, computers, and artificial intelligence 6

Two-player perfect-information games (cont’)

2004/10/07 Games, computers, and artificial intelligence 7

2004/10/07 Games, computers, and artificial intelligence 8

Imperfect-information and stochastic games• Information is hidden.

• Backgammon

• Poker

• Scrabble

2004/10/07 Games, computers, and artificial intelligence 9

New frontiers

• Any topic in interactive games– Action games– RPG– Adventure games– Strategy games– “God” games– Sport games

• Not only Graphics but also AI !

2004/10/07 Games, computers, and artificial intelligence 10

Predicted program strengths

2004/10/07 Games, computers, and artificial intelligence 11

Poker

• Has a number of attributes that make it an interesting domain for AI research.– Incomplete knowledge– Multiple competing agents– Risk management– Opponent modeling– Deception– Dealing with unreliable information

2004/10/07 Games, computers, and artificial intelligence 12

Future works

• Study more references in these papers.

• Study related mathematics (e.g. probability)

2004/10/07 Games, computers, and artificial intelligence 13

References

• Games, computers and artificial intelligence / Jonathan Schaeffer, H. Jaap van den Herik

• The challenge of Poker/ Darse Billings, Aaron Davidson, Jonathan Schaeffer, Duane Szafron

• Games solved: Now and in the future/ H. Jaap van den Herik, Jos W.H.M. Uiterwijk, Jack van Rijswijck

• All from Artificial Intelligence 134 (2002)

2004/10/07 Games, computers, and artificial intelligence 14

Thanks for your attention!