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Most linguistic studies of human-computer communication have focused on the issues of syntax and discourse structure. However, another interesting and important area is the lexical semantics of c o m m a n d languages. The names that users and system designers give the objects and actions of a computer system can greatly affect its usability, a n d the lexical issues involved are as complicated as those in natural languages. 1"his paper presents an overview o f the various studies of naming in computer systems, examining such issues as suggestiveness, memorability, descriptions of categories. . | LEXICAL SEMANTICS IN HUMAN-COMPUTER COMMUNICATION Jarrett Rosenberg Xerox Office Systems Division 3333 Coyote Hill Road Palo Alto CA 94304 USA ABSTRACT Most linguistic studies of human-computer communication have focused on the issues of syntax and discourse structure. However another interesting and important area is the lexical semantics of command languages. The names that users and system designers give the objects and actions of a computer system can greatly affect its usability and the lexical issues involved are as complicated as those in natural languages. This paper presents an overview of the various studies of naming in computer systems examining such issues as suggestiveness memorability descriptions of categories and the use of non-words as names. A simple featural framework for the analysis of these phenomena is presented. 0. Introduction Most research on the language used in human-computer communication has focused on issues of syntax and discourse it is hoped that one day computers will understand a large subset of natural language and the most obvious problems thus appear to be in parsing and understanding sequences of utterances. The constraints provided by the sublanguages used in current natural language interfaces provide a means for making these issues tractable. Until computers can easily understand these sublanguages we must continue to use artificial command languages although the increasing richness of these languages brings them closer and closer to being sublanguages themselves. This fact suggests that we might profitably view the command languages of computer systems as natural languages having the same three levels of syntax semantics and pragmatics perhaps also morpho-phonemics if one considers the form in which the interaction takes place with the system special keys variant characters etc. . A particularly interesting and till recently neglected area of investigation is the lexical semantics of command languages. What the objects .
