This paper reviews the current state of the art in natural language access to databases. This
has been a long-standing area of work in natural language processing. But though some …

This paper gives an overview of the development of the field of Knowledge Engineering over
the last 15 years. We discuss the paradigm shift from a transfer view to a modeling view and …

This database theory book provides a focused presentation of the core material on relational
databases, and presents a number of advanced topics in a unified framework. Some of the …

Intelligent agents are employed as the central characters in this new introductory text.
Beginning with elementary reactive agents, Nilsson gradually increases their cognitive …

A concise and lucid exposition of the major topics in knowledge representation, from two of
the leading authorities in the field.-Stuart Russell, UC Berkeley The information is valuable …

We investigate the consequences of adding unions and complements to attributive concept
descriptions employed in terminological knowledge representation languages. It is shown …

A drawback which concept languages based on KL-ONE have is that all the terminological
knowledge has to be defined on an abstract logical level. In many applications, one would …

A fundamental computational limit on automated reasoning and its effect on knowledge
representation is examined. Basically, the problem is that it can be more difficult to reason …

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We describe carin, a novel family of representation languages, that combine the expressive
power of Horn rules and of description logics. We address the issue of providing sound and …