The considerable increase in web-based knowledge networks in the past two decades is strongly influencing learning environments. Learning entails information retrieval, use, communication, and production, and is strongly enriched by socially mediated discussions, debates, and collaborative activities. It is becoming critical for educators to…

Data in many growing fields has an underlying network structure that can be taken advantage of. In this dissertation we apply data and network science to problems in the domains of systems biology and healthcare. Data challenges in these fields include noisy, heterogeneous data, and a lack of ground truth. The primary thesis of this work is that…

In this paper we describe the development and refinement of "evidence rules" and "measurement models" within the "evidence model" of the "evidence-centered design" (ECD) framework in the context of the "Packet Tracer" digital learning environment of the "Cisco Networking Academy." Using…

Digital library is commonly seen as a type of information retrieval system which stores and accesses digital content remotely via computer networks. However, the vision of digital libraries is not limited to technology or management, but user experience. This book is an attempt to share the practical experiences of solutions to the operation of…

Discussion of networked information retrieval and the interoperability of heterogeneous information-retrieval systems shows how differences concerning search operators and database schemas can be handled by applying data-abstraction concepts in combination with uncertain inference. Highlights include data types, data independence, schema…

Discusses how information technology and information retrieval may be used to build the virtual library, based on examples from Carnegie-Mellon University. Topics include information technology infrastructure, including distributed computing; Boolean searching; natural language processing; navigating the Internet; and prototypes and problems at…

When Lars Ulrich, drummer for the rock group Metallica, testified before Congress about his group's lawsuit against Napster in 2000, many people who followed copyright issues in the music industry were not surprised (Ulrich, 2000). Ever since downloading audio files became as easy as clicking a few buttons on a personal computer, charges of…

Provides an overview of the Internet as it exists today, and a sampling of the kinds of information services it provides. (SR)

Introduces briefly some of the more common Internet information management tools, including Archie, Gopher, Veronica and Jughead, Wide Area Information Service (WAIS), and World-Wide Web. (SR)

Discusses government information on the Internet. Provides a broad list of collections of government information available on the Internet. (SR)

Explains componentware, a new paradigm in software development that is based on the concept of a software component, a self-contained unit of software which can be distributed over large networks. Discusses the need for new, Internet-based search and retrieval mechanisms, and the architectural requirements and mechanisms of componentware.…

Explains aspects of an Internet gopher developed by the National Institute of Standards and Technology's (NIST) Standard Reference Data (SRD) program. The gopher lists SRD projects and data centers and enables users to find and contact the researchers associated with these projects. Delivery of scientific information is also discussed. (LRW)

Describes Z39.50, a standard prepared by the National Information Standards Organization (NISO) for information retrieval that allows two computer systems connected to a network to exchange messages for the purpose of searching databases and receiving records. Canada's involvement is discussed, and possible library applications are described. (LRW)

This issue contains nine articles that provide an overview of trends and research in parallel information retrieval. Topics discussed include network design for text searching; the Connection Machine System; PThomas, an adaptive information retrieval system on the Connection Machine; algorithms for document clustering; and system architecture for…

The Internet, a network of computer networks, is leading the way to the information superhighway. Explains the basic features and various ways to get hooked up to the Internet. (MLF)