Raised: Why would the bot know nothing about the other players styles? Bots can store data and adapt too them.
metamath:
http://www.cs.ualberta.ca/~games/poker/ The university of alberta leads the field in poker AI development. There are a number of interesting papers listed there as well. If you want a go at writing your own bot try poker academy pro. It makes it easy to write a bot using your own algorithms and plug it into their software to test, you can also have your bot play on their poker server against real players.