In spite of its popularity, keyword search mode has not been standardized. Though information professionals are quick to adapt to various presentations of keyword search mode, novice end-users may find keyword search confusing. This article compares keyword search mode in some major reference databases and calls for standardization. (Contains 3…

Personal learning environment (PLE) solutions aim at empowering learners to design (ICT and web-based) environments for their learning activities, mashing-up content and people and apps for different learning contexts. Widely used in other application areas, recommender systems can be very useful for supporting learners in their PLE-based…

The goal of this study was to examine the impact of a one-to-one program on the implementation of learning skills, information literacy, and the usage of computerized tools among students. These skills are part of the demands placed upon schools to develop 21st century competencies. Seventh and ninth grade students participated in this study…

The performance of a selective dissemination of information service based on computer scanning of Nuclear Science Abstracts tapes was compared with a current awareness service based on visual scanning of journals and reports by information specialists. (6 references) (Author/SJ)

The effectiveness of using the age of references to control the exhaustivity of the reference representation in information retrieval was investigated through analysis of optimal cluster-based retrieval results. The results show that the foreground representation at its optimal level of exhaustivity is restricted to references with ages less than…

As the fourteenth report in a series describing research in automatic information storage and retrieval, this document covers work carried out on the SMART project for approximately one year (summer 1967 to summer 1968). The document is divided into four main parts: (1) SMART systems design, (2) analysis and search experiments, (3) user feedback…

An examination of OCLC's EPIC service and standard video reference tools revealed that EPIC was more comprehensive in finding video titles on the popular or specialized topics of bonsai, genealogy, karate, and holography, because of its keyword searching ability on the massive OCLC database. (11 references) (EA)

Parallel machine and manual literature searches on the subject of chemical evolution and the origin of life were compared on six characteristics: (1) precision, (2) recall, (3) novelty, (4) uniqueness, (5) time cost per citation, and (6) dollar cost per citation. The manual search outperformed the machine on precision, novelty, uniqueness, and…

Six data bases common to Lockheed and SDC were singled out for a study conducted by DOE to determine whether it would be advisable to maximize the use of one data base vendor for their searches. Results indicated that maximizing either SDC or Lockheed was not practical; differences in costs of two systems are outweighed by their different search…

Compares the coverage of women's studies titles contained in "Feminist Periodicals: A Current Listing of Contents" with three general table of contents services (Current Contents, UnCover, Contents First), and evaluates the coverage of these titles within these services. Found that some subject areas, such as women's studies, require the…

Evaluates criminal justice coverage in on-line, commercially available data bases using both "Hot Topics" and general profiles. Charts show topics covered, periodicals indexed by each data base, and recommendations for which data base to use for various topics; appendixes present indexing terms used by and annotations for selected data…

The Class Activities Questionnaire (CAQ) was used to compare a Canadian high school participating in a research project employing an information retrieval system with another not involved in the project. This paper evaluates the validity of the CAQ as a measurement instrument for this study. The CAQ was administered to 1831 students, 806 Science…