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(jcwren) Re: AI Animals

by jcwren (Prior)
on Sep 24, 2002 at 17:00 UTC ( #200411=note: print w/replies, xml ) Need Help??

in reply to AI Animals

Technically, it's not an AI, but an expert system. At the shop I worked at, we created a database of about 800 animals for it. I "ported" a copy of the Apple code to the CP/M systems, where we had some real disk storage. We also created variations on it for physical objects, etc.


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Re: (jcwren) Re: AI Animals
by dbp (Pilgrim) on Sep 24, 2002 at 21:17 UTC

    Expert systems are really a subset of AI as are learning algorithms. Learning algorithms may be "cooler" AI but I'd guess that people get more done with expert systems.

    Speaking of learning systems, it would be quite easy to change this program to utilize a decision tree (see ISBN 0070428077, chap. 3 for a good reference).

    To do this, one would need to create a set of examples of the form
    Dolphin 1 0 1 0 0 0
    although I'd add some more animals and attributes to make this interesting. You need a number of examples per animal. The dtree algorithm uses the examples to build a tree and decides which attributes are most important and moves those attributes towards the top of the tree. It might place the same question in more than one place and might ignore questions in certain subtrees. For example, knowing that an animal gets stuck in tuna nets narrows the field down quite a bit.

    Of course, DTree's tend to be used for more broad classifications, like deciding the party of a senator based on her voting record.

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