Examines the use of query reformulation and particularly the use of relevance feedback by users of the Excite Web search engine. Discusses results that show limited use of query reformulation and relevance feedback; identifies the most common pattern of searching; and discusses implications for Web search system design. (Contains 16 references.)…

Introduces, through a conversation with computer-system designers from the Netherlands, the Language/Action Perspective on modeling business workflow and communication processes. Describes their attempts to develop system models that go beyond data flow to incorporate the communicative actions or transactions that result in the creation of a…

Uses Frank Lloyd Wright's (1867-1959) organic architecture as a metaphor to define the relationship between a part and a whole, whether the focus is on a building and its surroundings or information delivered via hypertext. Reviews effective strategies for designing text information via hypertext and incorporates three levels of information…

Examines the sociotechnological impact of introducing advanced information technology into the Spurlock Museum, a museum of world history and culture at the University of Illinois. Addresses implementation of such methodologies as computer-supported cooperative work and computer-mediated communication in the museum environment. Emphasizes the…

The purpose of this exploratory study was to develop research methods to compare the effectiveness of two video browsing interface designs, or surrogates--one static (storyboard) and one dynamic (slide show)--on two distinct information seeking tasks (gist determination and object recognition). (AEF)

Describes an approach for linking geographically distributed collections of metadata so that they are searchable as a single collection. Describes the infrastructure, discusses advantages of using linked collections of authoritative metadata as an alternative to using a keyword-indexing search engine for resource discovery, and examines other…

Presents a text summarization system and examines its validity by comparing automatically generated summaries with human-generated ones. Examines the accuracy of the system by evaluating the representativeness of cue verbs and basic sentence patterns, as well as the essential information in a summary. Also analyzes syntactic and semantic errors of…

The Nonprofit Program Classification System being developed by the National Center for Charitable Statistics (NCCS) provides a way to enrich the information available on nonprofits and utilize the newly available NCCS/PRI National Nonprofit Organization database from the IRS Forms 990 filed annually by charities. It provides a method to organize…

ArtShow is a digital image database that employs sophisticated features for interactive presentations of data. To demonstrate the program, an example database was prepared, based on the collection at the National Bank of Greece with names, comments and keywords in the Greek language. Discussion includes: the database platform and internal…

Due to the now widespread use of the Internet, most companies now require computer aided design (CAD) tools that support distributed collaborative design on the Internet. Such CAD tools should enable designers to share product models, as well as related data, from geographically distant locations. However, integrated collaborative design…

This article deals with the Virtual Learning System (VLS) (http://eservices.nysed.gov/vls/) which has been developed by New York State's State Education Department. This article describes VLS and discusses advantages to teachers, students, parents and the general public. VLS is designed to encourage use of the Internet as a teaching tool and to…

The Food Safety Knowledge Network (FSKN) is a collaboration between Michigan State University, the Global Food Safety Initiative of the Consumer Goods Forum, and other food industry and public sector partners. FSKN's goal is to help strengthen the food industry's response to the complex food safety knowledge and training challenges that affect…

The Board of Elementary and Secondary Education shares the Governor's concern about the need to prepare students for the 21st century economy. Technology has the power to enhance students' learning, engage them, and ultimately prepare them for the competitive world beyond school. In order to prepare students for their future in this increasingly…

The popularity of web-based learning systems has encouraged researchers to pay attention to several new issues. One of the most important issues is the development of new techniques to provide personalized teaching materials. Although several frameworks or methods have been proposed, it remains a challenging issue to design an easy-to-realize…

This paper reports on research to investigate design features of asynchronous discussion systems for higher education. The research aims to identify features that increase the benefits of discussion systems and reduce the problems. The paper focuses on a major theme that emerged from interviews with learners and teachers: information overload.…