Focuses on the user and human-computer interaction aspects of the research based on the Okapi text retrieval system. Three experiments implementing different approaches to query expansion are described, including the use of graphical user interfaces with different windowing techniques. (Author/LRW)

When providing access to digital images, there are three elements to consider: structure, location, and appearance. These considerations are illustrated with two examples--a book and a photograph collection. Each of the elements is then described in detail. (AEF)

Presents a proposed information environment (PROPIE) for enhanced interaction and value-adding of electronic documents that allows users multiple ways to query intuitively and navigate information in an electronic document. Highlights include user interface technologies; visualization and interactive techniques; query and browsing processes; and…

Effective message design for screen-based computer or video instructional programs requires knowledge from many disciplines. Evaluates current conventions and suggests a new set of guidelines for screen-based designers. Discusses screen layout, highlighting and cueing, text font and style, text positioning, color, and graphical user interfaces for…

Reviews ConSearch 3.0, a product that provides flexible searching of electronic files, allowing the location of related meanings as well as exact matches. ConSearch 3.0 differs from other file retrieval approaches by relating words in search phrases of questions to the "meaning" of the words, which are stored in a "conceptual…

Explores the potential and impact of an innovative information environment in enhancing user activities in using electronic documents for various tasks, and to support the value-adding of these e-documents. Discusses the conceptual design and prototyping of a proposed environment, PROPIE. Presents an empirical and formative evaluation of the…

Provides historical background information about multimedia CD-ROM encyclopedias and evaluates 11 recent releases. Discusses access to information, costs, content, technological developments. Rates the text, multimedia, and user interface. A sidebar provides a 10-year chronology of CD-ROM encyclopedias. (AEF)

Discusses the use of transaction logging in Okapi-related projects to allow search algorithms and user interfaces to be investigated, evaluated, and compared. A series of examples is presented, illustrating logging software for character-based and graphical user interface systems, and demonstrating the usefulness of relational database management…

Describes the nature of electronic books that are published primarily on CD-ROM. Discusses common delivery platforms; human-computer interface issues; and authoring. Outlines pedagogical benefits and potential, including their interactivity, portability, connectivity, and dynamic behavior that make them beneficial for both individual and…

Summarizes the issues, debates, and decisions that helped to shape "The Washington Post's" online service, Digital Ink. Highlights include: differences between online and print versions of the newspaper, structure of the user interface, organization of information, content, searching and navigation, and advertising. (JKP)

Discussion of CORE (Chemistry Online Retrieval Experiment), a five-year research and development project at Cornell University (New York) that tried to make scholarly journal articles available in electronic form, focuses on the user response to the system. Highlights include interfaces, article viewing, printing, searching, conversion issues,…