Reviews published findings from empirical studies of hypermedia learning and cognitive styles and classifies them into five themes: nonlinear learning, learner control, navigation in hyperspace, matching and mismatching, and learning effectiveness. Presents a learning model and discusses implications for the design of hypermedia learning systems.…

Investigates the role of data management in multimedia digital libraries, and its implications for the design of database management systems. Introduces the notions of content abstraction and content independence. Proposes a blueprint of a new class of database technology, which supports the basic functionality for the management of both content…

Traces information architecture (IA) to a historical summit, supported by American Society for Information Science and Technology (ASIS&T) in May 2000 at Boston, MA. where several hundred gathered to thrash out the questions of just what IA was and what this field might become. Outlines the six IA issues discussed. (JMK)

The objective of this research is to exploit Chinese language processing techniques for temporal information extraction and concept reasoning. Outlines the characteristics of Chinese time system and temporal expressions. Discusses temporal knowledge representations. Presents a general framework for the storage and manipulation of temporal…

Reports results of a study investigating effects of four user characteristics on users' mental models of information retrieval (IR) systems. Findings indicated that educational and professional status, academic background, and computer experience had significant effects in differentiating users on their factor scores. First language had a…

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…

Presents findings from four studies of the prevalence of multitasking information seeking and searching by Web (via the Excite search engine), information retrieval system (mediated online database searching), and academic library users. Highlights include human information coordinating behavior (HICB); and implications for models of information…

This article reports the results of a study of Master's degree students concerning the role of individual differences in Internet searching, including cognitive styles, levels of prior experience, Internet perceptions, study approaches, age, and gender. Discusses retrieval effectiveness and self-efficacy and suggests implications for system…