An investigation was undertaken into the possibility of automatically detecting how concepts exist in relation to each other in abstracts, a text-type commonly used in free-text retrieval. The end goal of this research is to capture these relationships in structured representations of abstracts' contents so that users can require not only that the…

A system of quantitative techniques for describing the English language from a number of perspectives, intended for the language analyst, is presented. The grammar combines an emerging knowledge of semantics with existing detailed knowledge of syntax. The primary unit of analysis is the predication, a group of related concepts expressed as a…

Presents an algorithm for use in natural language document retrieval systems which automatically determines if the conjunction "and" in a statement representing an information need should be translated into a Boolean "and" or "or." The results of an experiment that used the algorithm are reported, and further research is suggested. (CLB)