A re-examination of relevance: toward a dynamic, situational definition
Information Processing and Management: an International Journal
On the evaluation of IR systems
Information Processing and Management: an International Journal - Special issue on evaluation issues in information retrieval
Multiple search sessions model of end-user behavior: an exploratory study
Journal of the American Society for Information Science
Interaction in information retrieval: selection and effectiveness of search terms
Journal of the American Society for Information Science
From highly relevant to not relevant: examining different regions of relevance
Information Processing and Management: an International Journal
Information-seeking and mediated searching. Part 1: theoretical framework and research design
Journal of the American Society for Information Science and Technology
Search history for user support in information-seeking interfaces
CHI '00 Extended Abstracts on Human Factors in Computing Systems
Information Processing and Management: an International Journal
On the web at home: information seeking and web searching in the home environment
Journal of the American Society for Information Science and Technology - Part I: Information seeking research
Validation of a model of information seeking over multiple search sessions
Journal of the American Society for Information Science and Technology
Human information behavior: Integrating diverse approaches and information use
Journal of the American Society for Information Science and Technology
Measuring online information seeking context, Part 1: Background and method
Journal of the American Society for Information Science and Technology
Measuring online information seeking context, Part 2: Findings and discussion
Journal of the American Society for Information Science and Technology
Twenty-five years of end-user searching, Part 2: Future research directions
Journal of the American Society for Information Science and Technology
Academic users' interactions with ScienceDirect in search tasks: Affective and cognitive behaviors
Information Processing and Management: an International Journal
International Journal of Human-Computer Studies
Journal of the American Society for Information Science and Technology
Journal of the American Society for Information Science and Technology
A computational framework for authoring and searching product design specifications
Advanced Engineering Informatics
An examination of multisession web tasks
Journal of the American Society for Information Science and Technology
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Our project has investigated the processes of mediated information retrieval (IR) searching during human information-seeking processes to characterize aspects of this process, including information seekers' changing situational contexts; information problems; uncertainty reduction; successive searching, cognitive styles; and cognitive and affective states. The research has involved observational, longitudinal data collection in the United States and the United Kingdom. Three questionnaires were used for pre- and postsearch interviews: reference interview, information-seeker postsearch, and search intermediary postsearch questionnaires. In addition, the Sheffield team employed a fourth set of instruments in a follow-up interview some 2 months after the search. A total of 198 information seekers participated in a mediated on-line search with a professional intermediary using the Dialog Information Service. Each mediated search process was audiotaped and search transaction logs recorded. The findings are presented in four parts. Part I presents the background, theoretical framework, models, and research design used during the research. Part II is devoted to exploring changes in information seekers' uncertainty during the mediated process. Part III provides results related to successive searching. Part IV reports findings related to cognitive styles, individual differences, age and gender. Additional articles that discuss further findings from this complex research project, including: (1) an integrated model of information seeking and searching, (2) assessment of mediated searching, and (3) intermediary information-seeker communication, are in preparation and will be published separately.