Describes Project Information Exchange, a developing information service to help Philadelphia educators share information about instructional projects, curricula, materials, and resources. (JF)

A survey of the literature on the effectiveness of information analysis centers which also includes papers on less specialized information centers, by the Director of Information Sciences of the Air Force Office of Scientific Research. (JB)

Compares features of selective dissemination of information service in information retrieval systems Quest and Orbit with those of smaller noncommercial system, George 3. Construction of profiles, editing during construction, and editing of stored profiles are noted. Examples of method of constructing and editing a profile in George 3 are…

Computer simulations can be used in social studies to analyze problems by using a representation or model of a situation and then exercising the model to see how it behaves under different circumstances. Utilizing available computer programs, students can also build and use social studies data bases. (RM)

Describes Reflink, a system based on sophisticated information retrieval techniques which is housed in a small microcomputer, and its predecessor, Reference Librarian Enhancement System (REFLES). The systems are placed in a conceptual framework involving stable and dynamic information, and several illustrations of multiple uses are presented. Four…

Describes ongoing project to automate production of 26 indexes and catalogs produced by H. W. Wilson Company through use of the BEACON system and its online screen-edit program, SCREED. System objectives, system architecture, specifications, components (data entry, validation, release, file generation, retrieval, publication, photocomposition,…

Analysis of one component of library reference service--online numeric database systems for time-series data--reviews tradition of reference service and ways in which computer technology has enhanced provision of library services. Experiences with Kentucky Economic Information System (KEIS) are described. Examples of KEIS and 30 references are…

Discusses the availability and uses of online retrieval systems within the environment of a state legislature, identifies relevant databases, and reports the results of a survey of online retrieval system use by state legislatures. Examples of searches relevant to legislative concerns and a 23-item reference list are included. (Author/JL)

Provides a brief overview of videotex systems currently in operation and discusses an analysis of those systems in which the various features of the videotex user-system interface were identified. System design considerations for videotex are outlined and the results of the feature analysis of existing systems are presented in three figures.…

Retrievability of titles of 152 periodicals were compared in a fixed-length algorithmic search (Library Computer System) and a keyword search (Washington Library Network) to determine which type of search algorithm is more successful with titles of varying lengths. Three references and a list of English language stopwords are appended. (EJS)

Ten online databases were evaluated for their scope, extent of coverage, timeliness, degree of relevance, and overlap using queries dealing with welfare and corrective services. Ten tables of statistical information are included. (JJD)

Forty-two searchers with varying degrees of experience in searching online bibliographic retrieval systems queried the ERIC database using DIALOG. The results were measured with variables which related to the search outcome (cost effectiveness, precision, and recall) and the search process. (JJD)

This introduction to online numeric database systems describes the types of databases associated with such systems, shows the major functions which they can perform (retrieval, analysis, display), and identifies the major characteristics of user interfaces. Examples of numeric database use are appended. (EJS)

This overview of the current capabilities of subject access in online public catalogs discusses keyword searching versus subject cataloging, users' views of the online catalog, and user-friendly versus user-hostile systems. Existing online catalogs in public and academic libraries are cited as examples. (EJS)