The development of automatic indexing, abstracting, and extracting systems is investigated. Part I describes the development of tools for making syntactic and semantic distinctions of potential use in automatic indexing and extracting. One of these tools is a program for syntactic analysis (i.e., parsing) of English, the other is a dictionary of…

The purpose of the study was to determine how many questions judged relevant to an article are also judged relevant using different length representations of the article, and how this proportion changes as the length of the representation changes. Several persons made relevance judgments for each of a set of articles to each of a set of questions.…

This document is an English-language abstract (approximately 1,500 words) of a Bulgarian study of six-year-old schoolchildren. Data gathered in a number of countries where children are enrolled at school at the age of six is a sound basis for analytical study; in nations where the enrollment age is seven, such as Bulgaria and the USSR, children's…

This document is an English-language abstract (approximately 1,500 words) of a book dealing with certain problems of modern teaching techniques, general ones on the one hand, and algorithms on the other, viewed from the point of mathematical logic, information theory, psychology and didactics. The concept of teaching is based on a number of…

This document is an English-language abstract (approximately 1,500 words) of a book which purposes to elucidate the connection between the development of pupils and their assimilation of knowledge and habits in the experimental grades of a new system of elementary education. Various methods of investigation were used: observation during lessons,…

This document is an English-language abstract (approximately 1500 words) of a new approach to the teaching of mathematics in Mexican elementary schools. Three aspects of mathematical reform are discussed: (1) syllabus content; (2) teaching methods; and (3) the question of introducing the pupil to modern mathematics at the earliest possible stage…

Experimental Programed Instruction of the anatomy of the maxillary division of the trigeminal nerve is being conducted by the Harvard Computer-Aided Instruction Laboratory in cooperation with Tufts University Dental School. Two nearly identical programs are presented, one (PF) using representational diagrams and the other (PD) a schematic diagram…

A follow-up publication prompted by the success of an earlier bibliography, the document presents abstracts of publications which focus on finding new directions for implementing career practices in the classroom. The theme of both volumes is implementation; the first chapter of this volume, the only one without annotations, is a compilation of…