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ai-prolog7 - Artificial Intelligence Natural Language Intro...

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1 Artificial Intelligence Natural Language Intro Syntax Semantics Pragmatics
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2 Review Intelligence involves: communicating recognizing what we see around us navigating Using our knowledge to draw new conclusions and solve problems. So far looked at last of these: knowledge representation and problem solving. Time to turn back to first of these.
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3 Natural Language Processing Natural language processing concerns: Understanding or generating spoken and written text. Examples of NL tasks: understanding questions/instructions posed in natural language “e.g., switch off the computer”. May be spoken or typed Generating natural language responses “skimming” written texts to find information, or to create a summary. Generating coherent NL documents from some structured information.
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4 Natural Language Processing So NL Processing covers understanding and generation short sentences and larger texts spoken and written language. We will focus mainly on understanding short written sentences.
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5 Knowledge Required What knowledge do we (as humans) use to make sense of language? Knowledge of how words sound.. “cat” == “c” “a” “t” Knowledge of how words can be composed into sentences (the grammar). The can sat on the mat OK sat mat can on the NO Knowledge of people, events, the world, types of text.
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