Addresses the query- versus document-oriented dichotomy in information retrieval. Introduces a maximum likelihood approach to utilizing feedback data that can be used to construct a concrete object function that estimates both document and query parameters in accordance with all available feedback data. (AEF)

THE COLLECTION, PROCESSING, SYNTHESIZING, AND DISSEMINATION OF DATA ON THE PROGRESS OF ALL EDUCATIONAL SYSTEM (ES) '70 PROGRAMS IS AN ESSENTIAL INGREDIENT IN ACHIEVING THE PROGRAMS' OBJECTIVES. THESE PROGRAMS EMBRACE 17 INDEPENDENT SCHOOL DISTRICTS IN THE PRIMARY NETWORK ALONE AND ARE BASED ON A UNIQUE APPROACH OF "LOCAL-STATE-FEDERAL…

The Educational Resources Information Center (ERIC) system and the ERIC Processing and Reference Facility are briefly discussed as introductory and background material to this paper on the technical and managerial aspects of operating an information processing center. The following topics are covered under the subject of managing the ERIC data…

SPIRES WAS PLANNED AS A FIVE-YEAR EFFORT TO DEVELOP AND STUDY AN EXPERIMENTAL SYSTEM FOR PROVIDING FOR THE SCIENTIFIC INFORMATION NEEDS OF PHYSICISTS AT STANFORD. THERE ARE TWO COMPONENTS TO THE SPIRES PROJECT. ONE IS TO STUDY THE INFORMATION NEEDS AND INFORMATION-SEEKING BEHAVIOR OF A USER POPULATION OF ABOUT 100 HIGH- ENERGY PHYSICISTS. DETAILS…

By providing access to samples of forms and other evaluation/management documentation, this compendium provides a working tool so that state projects can share methodologies for gathering data and applying it for both summative and formative evaluation purposes. This compendium may also serve to indicate procedural gaps in some projects, or to…

Proposes that the concept of "utility" be applied in catalog construction and authority control. An iterative authority control process allowing for movement of proper name headings from uncontrolled to controlled states, based on user feedback in conjunction with comprehensiveness, will provide a new approach for information retrieval.…

This report begins with a summary of the implications of the Systemic Evaluation project as a whole, and then provides a framework for the commonplaces of schooling, along with an extensive sampler of the ways they can be used for building an information system. The first chapter presents some common conceptions of schooling that have typically…

An information feedback system for use in evaluating an educational program is described, and its effectiveness in evaluating the Follow Through program and its use in relation to the Iowa Tests of Basic Skills are discussed. The systems approach to program evaluation consists of objectives clarification, decision making, and program planning. In…

The twenty-second in a series, this report describes research in information organization and retrieval conducted by the Department of Computer Science at Cornell University. The report covers work carried out during the period summer 1972 through summer 1974 and is divided into four parts: indexing theory, automatic content analysis, feedback…

DIRECT MAN-MACHINE COMMUNICATION IS NOW POSSIBLE THROUGH ON-LINE, REAL-TIME TYPEWRITER TERMINALS DIRECTLY CONNECTED TO COMPUTERS. THESE TERMINAL SYSTEMS PERMIT THE OPERATOR, WHETHER ORDER CLERK, CATALOGER, REFERENCE LIBRARIAN OR TYPIST, TO INTERACT WITH THE COMPUTER IN MANIPULATING DATA STORED WITHIN IT. THE IBM ADMINISTRATIVE TERMINAL SYSTEM…

The actual workings of the Educational and Career Exploration System (ECES) are described. The functions of the system are divided into three general phases: (1) an occupational information bank for exploring occupations; (2) an educational information bank for exploring training programs and educational areas of study; and (3) a junior…

The Jefferson County Public School System in Colorado is conducting a study which implements a digital time-shared computer as support for a systems approach to instruction. This study currently involves one elementary school but it will support a total of thirteen schools in the future. The computer support includes computer-generated criterion…