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Spink, Amanda; Wilson, T. D.; Ford, Nigel; Foster, Allen; Ellis, David – Journal of the American Society for Information Science and Technology, 2002
Discussion of mediated successive searches conducted by intermediaries using the Dialog online service focuses on reasons, frequency, and characteristics of successive searches. Data is based on a longitudinal study conducted in the United Sates and the United Kingdom that investigated the processes of mediated information retrieval searching…
Descriptors: Foreign Countries, Information Retrieval, Information Seeking, Longitudinal Studies
Peer reviewed Peer reviewed
Ellis, David; Ford, Nigel; Furner, Jonathan – Journal of Documentation, 1998
Indexing is the preprocessing of information to enable its retrieval, ranging from classification-based (precoordinate) to keyword searching (postcoordinate) approaches. This article describes a framework for modelling information retrieval systems in terms of sets of objects, relationships, and functions and discusses the application of indexing…
Descriptors: Classification, Databases, Hypermedia, Indexing
Peer reviewed Peer reviewed
Ellis, David; Wilson, T. D.; Ford, Nigel; Foster, Allen; Lam, H. M.; Burton, R.; Spink, Amanda – Journal of the American Society for Information Science and Technology, 2002
Describes studies conducted at the University of Sheffield that explored the variables during mediated online search interaction. Discuses aspects of the mediated search process, including user satisfaction; relevant information sources; and interaction measures derived from search logs and tape transcripts, and related interaction measures.…
Descriptors: Information Seeking, Information Sources, Measurement Techniques, Online Searching
Ford, Nigel; Wilson, Tom; Ellis, David; Foster, Allen; Spink, Amanda – Proceedings of the ASIS Annual Meeting, 2000
Provides preliminary results from a study of mediated information retrieval at the University of Sheffield (United Kingdom) based on data from 121 information seekers who requested mediated searches. Focuses on results related to the relationship between participants' gender, cognitive styles, and information seeking behaviors. (Contains 21…
Descriptors: Cognitive Style, Foreign Countries, Gender Issues, Higher Education
Peer reviewed Peer reviewed
Spink, Amanda; Wilson, T. D.; Ford, Nigel; Foster, Allen; Ellis, David – Journal of the American Society for Information Science and Technology, 2002
Presents the theoretical framework and research design of a project based on longitudinal data collected in the United Sates and the United Kingdom that investigated the processes of mediated information retrieval searching during human information-seeking processes. Topics include problem-solving; uncertainty; cognitive styles; and…
Descriptors: Cognitive Style, Foreign Countries, Information Retrieval, Information Seeking
Spink, Amanda; Wilson, Tom; Ellis, David; Ford, Nigel – D-Lib Magazine, 1998
This study investigates the nature, manifestations, and behavior of successive searching by users in digital environments, and establishes criteria for use in the design of information-retrieval interfaces and systems supporting successive-searching behavior. Study includes two projects--one based at the University of North Texas, one at the…
Descriptors: Computer Interfaces, Computer System Design, Foreign Countries, Higher Education