Presents criteria for an effective syntagmatic relator system and describes how conceptual syntagmatic relationships are expressed in natural language, commenting on the adequacy of such expressions for document retrieval systems. Only one type of expression, a gestalt structure, represented as a frame, conforms to the criteria. (Author/JKP)

Proposes a new rule system and notation that supports the characterization of a document based on its structure or architecture (primarily linear, paper-copy media). Examples of the application of the notation are provided. (Author/JKP)

Surveys theoretical and practical issues associated with pictorial information retrieval. Concentrating on still and moving pictorial forms of the visual image, this paper focuses on indexing pictorial material and discusses four models of pictorial information retrieval corresponding with permutations of the verbal and visual modes for the…