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A group for multiagent learning.


July 15th 2012: Lifelong Learning Lemonade Stand Game


Imagine the following game. It is summer on Lemonade Island, and you need to make some cash. You decide to set up a lemonade stand on the beach (which goes all around the island), as do two others. There are twelve places to set up around the island like the numbers on a clock. Your price is fixed, and all people go to the nearest lemonade stand.

The game is repeated. Every night, everyone moves under cover of darkness (simultaneously) and in the morning, their locations are fixed. There is no cost to move. After 100 days of summer, the game is over. The utility of the repeated game is the sum of the utilities of single-shot games.


One key issue in this competition is that the entire pool of competitors determines the victor. Knowing how people play affects how you should play. This year, we have added a twist: lifelong learning.

Although your opponent are still anonymous, your bots are no longer reset after each game. Therefore, there is the potential to learn about what kinds of strategies are applied by your opponents. This will present new challenges to the competitors, and new directions for research.

Good luck!

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