The new technologies
Jeffrey David Ullman · UT Back-in-Print Service eBooks · 1989
Volume 2 of Principles of database and Knowledge-Base Systems covers query optimization in database systems, and explains extensions of these ideas to handle the more expressive query languages that are used in knowledge-base systems. Recently discovered techniques for efficient implementation of logic languages is discussed, along with the design of some experimental knowledge-base systems. The universal relation model, for understanding queries posed in natural language or in very high-level languages, is also treated.