For sufficiently complex systems, it is sometimes useful to describe systems in terms of beliefs, goals, fears, intentions e. Knowledge affects the development, efficiency, speed, and maintenance of the system. Expert systems are designed for knowledge representation based on rules of logic called inferences. Knowledge representation and reasoning kr, krr is the part of artificial intelligence which concerned with ai agents thinking and how thinking contributes to intelligent behavior of agents. Knowledge representation is key to the success of expert systems. Some of this information is about how to use the frame. Language for knowledge and knowledge for language, aaai pressthe mit press, 2000, is a fellow of aaai, and has served as chair of acmsigart 199195 and. Researchers in the field of artificial intelligence ai have been investigating how knowledge can be expressed in a computer system. Knowledge representation and processing methods in.
Nonsymbolic methods are covered in other courses cs228, cs229. The term which is used nowadays for the development of knowledgeintensive computer systems is knowledge engineering. Knowledge representation techniques pdf alzaytoonah. Along with theory of knowledge representation kr 47 and knowledge processing methods such. A frame is a datastructure for representing a stereotyped situation, like being in a certain kind of living room, or going to a childs birthday party.
Attached to each frame are several kinds of information. Histogram provides the representation of a distribution of values of a single attribute. Waliszko knowledge representation and processing methods in semantic web. Semanticnetworks frames demons objects logic rules knowledge representation techniques knowledge engineering course andrea bonarini department ofelectronics politecnico dimilano.
540 366 250 1424 596 1400 1038 1353 390 1078 551 289 2 1306 1444 111 616 1257 91 282 754 1331 665 1325 595 579 311 809 708 56 381 1027 1002 1340 870 718 262 1034 332 677 1255 777 974 164