ARTIFICIAL INTELLIGENCE CSCI/PHIL-4550/6550 (IT’S FOR REAL) DON POTTER Institute for Artificial Intelligence and Computer Science Department UGA. AI @ UGA * - Originated around 1985. * - First MS degree awarded: 1988.
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(IT’S FOR REAL)
Institute for Artificial Intelligence
Computer Science Department
What is Artificial Intelligence anyway?
“The science of making machines do things that would require intelligence if done by people” Marvin Minsky
I like: “the science of making machines exhibit intelligent behavior”
Neither is an attempt to make a human nor some superior being.
We’re scheduling a single elimination tennis tournament with 200 players.
How many matches will we have?
Charles Babbage considered intelligent devices long ago. Lady Lovelace?
Alan Turing brought the notion up to date with some math foundations and a test (called the TURING TEST).
John McCarthy coined the name Artificial Intelligence.
Replace the guy with a machine. If the interrogator can’t tell,
then the machine has exhibited intelligence.
Can a problem be solved (or can I prove that it is unsolvable)?
If it can be solved, is it easy to solve or hard to solve?
If it is easy, then develop the algorithm and solve it.
If it is hard to solve then try using artificial intelligence techniques.
Search Space too big to be searched in a reasonable time by a typical (good) algorithm.
In AI, we use heuristics (rules of thumb learned via experience).
E.g., Medical Diagnosis
* lots more neat stuff
* sure, more neat stuff
* Language Processing
* yea, more neat stuff
Using symbol manipulation, we can achieve intelligent behavior in machines/devices.
Newell & Simon
Water Jug Puzzle (9 & 4 want 6)
Farmer, Fox, Goat, Grain
Pick up sticks (two player, go 2nd)
Lily Pond problem
Counterfeit Coins (81, 12)
Fast Falcon (45mph)
Step 0: (9,0) (4,0)
Step 1: (9,9) (4,0)
Step 2: (9,5) (4,4)
Step 3: (9,5) (4,0)
Step 4: (9,1) (4,4)
Step 5: (9,1) (4,0)
Step 6: (9,0) (4,1)
Step 7: (9,9) (4,1)
Step 8: (9,6) (4,4)