Journal of the American Society for Information Science and Technology
Knowledge in the head and on the web: using topic expertise to aid search
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Characterizing the influence of domain expertise on web search behavior
Proceedings of the Second ACM International Conference on Web Search and Data Mining
The role of expertise in aiding video search
Proceedings of the ACM International Conference on Image and Video Retrieval
Impact of search results on user queries
Proceedings of the eleventh international workshop on Web information and data management
Analysis and evaluation of query reformulations in different task types
Proceedings of the 73rd ASIS&T Annual Meeting on Navigating Streams in an Information Ecosystem - Volume 47
Conference Internationale Francophone sur I'Interaction Homme-Machine
Factors affecting the selection of search tactics: Tasks, knowledge, process, and systems
Information Processing and Management: an International Journal
AIRS'11 Proceedings of the 7th Asia conference on Information Retrieval Technology
Examining users' knowledge change in the task completion process
Information Processing and Management: an International Journal
Inferring user knowledge level from eye movement patterns
Information Processing and Management: an International Journal
The use of query suggestions during information search
Information Processing and Management: an International Journal
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Query formation and expansion is an integral part of nearly every effort to search for information. In the work reported here we investigate the effects of domain knowledge and feedback on search term selection and reformation. We explore differences between experts and novices as they generate search terms over 10 successive trials and under two feedback conditions. Search attempts were coded on quantitative dimensions such as the number of unique terms and average time per trial, and as a whole in an attempt to characterize the user's conceptual map for the topic under differing conditions of participant-defined domain expertise. Nine distinct strategies were identified. Differences emerged as a function of both expertise and feedback. In addition, strategic behavior varied depending on prior search conditions. The results are considered from both a theoretical and design perspective, and have direct implications for digital library usability and metadata generation, and query expansion systems. © 2005 Wiley Periodicals, Inc.