Sample Questions for the IAC network

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a) What does IAC stand for?

b) Consider an IAC network that represents different visits to professionals. The network has pools of features for {doctor, dentist, accountant}, {sprained ankle, toothache, regular checkup, tax return} and people’s names. Draw an IAC network that will represent the patterns for (1) Xanthe’s visit to the doctor with a sprained ankle (2) Yummi’s visit to the accountant to do her tax return and (3) Zach’s visit to the doctor for a regular checkup.

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c) How many positive and negative weights does your network have? Explain your answer.

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d) If Xanthe sprained her ankle again, and visited the doctor for a second time, could that be represented in the network as a separate visit? If so, explain how, if not, explain why not.

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e) What aspects of human memory was the IAC network designed to model? Explain how it achieves those behaviours.

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