作者: Brachman
关键词: Theoretical computer science 、 Computer science 、 Intelligent Network 、 Knowledge representation and reasoning 、 Artificial intelligence 、 Search engine indexing 、 Stability (learning theory) 、 Semantic network
摘要: Background. The idea of IS-Ais quite simple. Early in the history of semantic nets, researchers observedthat much representation of the world was concerned with the conceptual relations expressed in English sentences such as" John is a bachelor" and" A dog is a domesticated carnivorous mammal." That is, two predominant forms of statements handled by Al knowledge-representation systems were the predication, expressing that an individual (eg, John) was of a certain type (eg, bachelor), and the universally quantified …