Four papers are included in Part One of the eighteenth report on Salton's Magical Automatic Retriever of Texts (SMART) project. The first paper: "Content Analysis in Information Retrieval" by S. F. Weiss presents the results of experiments aimed at determining the conditions under which content analysis improves retrieval results as well…

The Educational Resources Information Center (ERIC) system was used to identify 1,734 documents on program evaluation methodology. Attempts to further characterize these documents by subject were only partially successful because of the lack of sufficient depth of indexing and design constraints of the computer system. Attempts to characterize…

Describes the National Aeronautics and Space Administration (NASA) Lexical Dictionary (NLD), a machine-aided indexing system used online at the NASA Center for AeroSpace Information (CASI). The functions of NLD system components are described in detail, and production and quality benefits resulting from machine-aided indexing at CASI are…

Briefly reviews various methodologies for constructing enhanced document representations, discusses their general lack of usefulness, and describes a method of document indexing which uses title words taken from bibliographically related items. Evaluation of this process indicates that it is not sufficiently reliable to warrant incorporation into…

This paper discusses several of the trends in information handling for text-based storage and retrieval systems that are prevalent in the United States. The paper considers, in particular, specialized information products, cooperative and networking activities, and work on standards. Information products include current awareness abstract…