| Guha, R.V. and Lenat, D. B. 1994. CYC: Enabling agents to work together. Communications of the ACM 37(7): 127-142. |
....ordinary human affairs. Examples of such commonsense enabled agents are: SensiCal, which reminds a user not to take a vegetarian friend to a steakhouse [1] the Cyc team s image retrieval program, which retrieves a photo of a grandmother with her grandchild given the query happy person [2], and . REFORMULATOR, which searches for local veterinarians when a user enters my cat is sick [3] Few such common sense agents currently exist, and those that do have only been demonstrated to work on select examples to demonstrate the promise of applying common sense. However, as perceptive ....
Guha, R.V. and Lenat, D. B. 1994. CYC: Enabling agents to work together. Communications of the ACM 37(7): 127-142.
....might state that Assertion A is less likely than Assertion B. Reasoning is done through argumentation, not by logic (propagating absolute True and False) nor by arithmetic (propagating and combining numeric certainty factors) Instead, pro and con arguments are marshalled and compared [1, 3]. Another point is that a standard sort of frame andslot language proved to be awkward in various contexts: For stating ternary and higher relations (e.g. between in an assertion like Austin is between Dallas and San Antonio ) For stating modals (e.g. believes and wanted in an ....
....seeing hearts ) and . For explicit contextualizing (e.g. While driving a car, eye contact is not socially required during conversations ) Such experiences caused us to move toward a more expressive language, namely first order predicate calculus with a series of second order extensions [1, 8]. This move illustrates two important points about doing large scale AI: One must not shrink from making changes, even fundamental changes, if the alternative is the sacrifice of the system s future stability and robustness. One should design the system, make changes, and be formal for ....
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Guha, R. V. and Lenat, D. B. CYC: Enabling agents to work together. Commun. ACM 37, 7 (July 1994).
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