1 / 10

Chapter 4 Knowledge Representation (continue)

Chapter 4 Knowledge Representation (continue). 323-670 Artificial Intelligence ดร.วิภาดา เวทย์ประสิทธิ์ ภาควิชาวิทยาการคอมพิวเตอร์ คณะวิทยาศาสตร์ มหาวิทยาลัยสงขลานครินทร์. Property Inheritance. Frame. Baseball-Player isa : Adult-Male bats: (EQUAL handed) height: 6-1

kiana
Télécharger la présentation

Chapter 4 Knowledge Representation (continue)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 4Knowledge Representation (continue) 323-670 Artificial Intelligence ดร.วิภาดา เวทย์ประสิทธิ์ภาควิชาวิทยาการคอมพิวเตอร์ คณะวิทยาศาสตร์ มหาวิทยาลัยสงขลานครินทร์

  2. Property Inheritance Page 2

  3. Frame • Baseball-Player isa : Adult-Male bats: (EQUAL handed) height: 6-1 batting-average: .252 figure 4.7 The End Inferential Knowledge figure 4.7 Page 3

  4. Procedural Knowledge as Rules The End similar to figure 4.7 Page 4

  5. Redundant Representation The End John punched Mary Mary punched John Page 5

  6. Similarity Net liking among set of frame The End Page 6

  7. Knowledge Representation • important attribute : isa and instance • relationship among attributes • at what level of detail should the world be represented? • Mary is Sue’s cousin. เมรี่เป็นหลานของซู • Mary = daughter(brother(mother(Sue))) • Mary = daughter(sister(mother(Sue))) • Mary = daughter(brother(father(Sue))) • Mary = daughter(sister(father(Sue))) • Mary = daughter(sibling(parent(Sue))) The End Page 7

  8. Knowledge Representation • John broke the window • Sequence ? ...... pick up hard object , Hurl the object to the window • Cause hand / foot to move fast and crash into the window • Shut the window so hard that the glass breaks • Finding the right structure • John went to Sizzer last night. He ordered a large rare steak, paid his bill, and left. • Did john eat dinner last night? • John flew to New York. • John flew a kite. • John flew down the street. The End Page 8

  9. Frame Problem The End • on(plan12,table34), under(table34, window13), and in(table34,room15) : the facts may change • run out of memory : when description is very long • above(ceiling, floor) : this fact never change Page 9

  10. End Chapter 4 The End Even if you're on the right track, you'll get run over if you just sut there. Will Rogers Page 10

More Related