This review of the book, "Conceptual Structures: Information Processing in Mind and Machine," by John F. Sowa, argues that anyone who plans to get involved with issues of knowledge representation should have at least a passing acquaintance with Sowa's conceptual graphs for a database interface. (Used to model the underlying semantics of…

This disc version is the fifth edition of the "Ethnographic Bibliography of North America," the classic print source of anthropological literature on Native Americans from Human Relations Area Files, Inc. It contains nearly 60,000 citations. Using the files and some shortcomings are reviewed. (SLD)

Reviewed are four computer software packages: "Minerals Data Base"; "Canvas 2.1," a graphics program for producing technical illustrations; "Glossary of Geology Speller"; and "PCUSA," which produces maps and statistical diagrams of the United States. Hardware requirements, functions, cost and availability…