An experiment in superficial indexing was carried out to elaborate the contract between indexing with a controlled vocabulary and using automated methods as described by Salton. (Author)

Discussion of automatic indexing in information retrieval systems focuses on attempts to improve the indexing representation produced by the FASIT system. Concept selection and concept grouping are explained; improving disambiguation is discussed; and a retrieval experiment to test the effectiveness of the disambiguation using the cystic fibrosis…

Presents a method for identifying indexing terms from word stems, using discriminant analysis to distinguish terms which refer to topics from terms which do not refer to topics. A test of the method on the Harris Survey Question database is discussed. Included are 11 data tables and a reference list. (Author/JL)

Describes a project that examined textual information available on the Internet and potential means of providing access to this information. Highlights include an overview of Internet resources, a profile of a document sample, description of FTP (File Transfer Protocol) sites, and an automated method of categorizing files. (MES)

Provides background of automatic indexing and overview of Fully Automatic Syntactically based Indexing of Text (FASIT), a system based on idea that content-bearing words belong to certain syntactic categories. Results of comparison of FASIT with thesaurus and stem-based indexing systems on database of 250 documents and 22 queries are summarized.…

Describes technique for automatic book indexing requiring dictionary of terms with text strings that count as instances of term and text in form suitable for processing by text formatter. Results of experimental application to portion of book text are presented, including measures of precision and recall. Ten references are noted. (EJS)