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10 Cards in this Set

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  • Back
Artificial Intelligence
study of how ideas that enable computers to be intelligent. making the computer think as a human being thinks. (process + research)
how we make computers perform intelligent tasks which are now doable only by humans. producing "intelligent" output w/o duplicating human thought processes. (outcome + industry)
Artificial Intelligence Goals
Theoretical: understanding the principles which enable intelligent behavior.
Practical: Solve problems that could not previously be solved by a computer.
3 key features of intelligence
2. flexibility
3. productive laziness
Having a goal, a reason for doing something. It is how we repsent things. internal state= referring to concrete or abstract entities
key= representation
types of goals: objects, plans, and actions
understading that we are failing, and creating something new.
computer is rigid.
graceful degradation: if a problem confronts you, you won't just stop. (comp. will)
Productive Laziness
Do-Easy Method: doing things in the easiest most relaxed manner achievable.
Enumerate options= combinatorial explosion.
Shortcut requires: description of problem, recongnizing, analyzing, this is learning!!
Joseph Weizenbaum.
Rogerian Therapist: parody of responses by a nond-directional psychotherapist in an initial psychiatric interview.
Eliza Operation
Topic: match user topics, track topics.
Response types: general prompt, transform user statement, relevant to topic.
Cycle: get input, respond.
Steps: change point of view oof a pattern is found when change response.
Eliza Patterns
List of words: wildcards.
Pattern= template
Input Pattern: list of keywords, substitutions, classes of keyword.
Multi-response= 2 or more responses used. methods: give weights, choose randomly.
Eliza Lacks
initiative, misinterprets word meanings, cannot match all patterns, common sense, world knowleddge, felxibility.
No syntax represenations, must use pattern for every meaning. no knowledge of topic which are discussed.
Human posses: world knowledge, common sense, kownledge of topics and participants.