Semantic Networks I.docx - cfw_slide2 ..Theyseek...

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{slide 2} Our understanding of knowledge has been heavily influenced by the work of computer  scientists investigating artificial intelligence.  Their goal is an ambitious one. They seek  to develop computers that behave in an intelligent manner. But what do we mean when  we say “in an intelligent manner”? Today’s computers already do some things better than humans. In fact, this has been the case for a long time. The first artificial intelligence  program called the General Problem Solver developed by Allen Newell and Herb Simon  could perform geometry proof better than most humans could. What we usually mean by  “in an intelligent manner,” therefore is that these programs should be able to know things  or have knowledge that they can use to perform everyday tasks. {slide 3} Two computer scientists at Northwestern University named Collins and Quillian  developed the first model of human knowledge. It is known as a semantic network  because it assumes that concepts are organized by a set of concept nodes linked to each  other to form a network. On the right side of this figure, you can see three concepts that are organized in a specific way. The concept for canary is linked to the concept for bird, and the concept for bird is  linked to the concept for animal.
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  • Fall '15
  • Semantic network, lower level, hierarchical semantic network, Property sentences, lower level nodes

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