Knowledge-based search tactics
Information Processing and Management: an International Journal
Journal of the American Society for Information Science
Some issues in the indexing of images
Journal of the American Society for Information Science
Why are online catalogs still hard to use?
Journal of the American Society for Information Science - Special issue: current research in online public access systems
User reactions as access mechanism: an exploration based on captions for images
Journal of the American Society for Information Science
Content-Based Image Retrieval at the End of the Early Years
IEEE Transactions on Pattern Analysis and Machine Intelligence
An analysis of image queries in the field of art history
Journal of the American Society for Information Science and Technology
Image searching on the Excite web search engine
Information Processing and Management: an International Journal
A picture is worth a thousand words: art indexing in electronic databases
Journal of the American Society for Information Science and Technology
Research in image indexing and retrieval as reflected in the literature
Journal of the American Society for Information Science and Technology
Subject Knowledge, Source of Terms, and Term Selection in Query Expansion: An Analytical Study
Proceedings of the 24th BCS-IRSG European Colloquium on IR Research: Advances in Information Retrieval
Searching for images: the analysis of users' queries for image retrieval in American history
Journal of the American Society for Information Science and Technology
Do nondomain experts enlist the strategies of domain experts?
Journal of the American Society for Information Science and Technology
Classification of user image descriptions
International Journal of Human-Computer Studies
Information Processing and Management: an International Journal
Effects of domain knowledge on reference search with the PubMed database: An experimental study
Journal of the American Society for Information Science and Technology
Image use within the work task model: Images as information and illustration
Journal of the American Society for Information Science and Technology
Multimodal medical image retrieval: image categorization to improve search precision
Proceedings of the international conference on Multimedia information retrieval
Challenges of medical image processing
Computer Science - Research and Development
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An efficient and robust medical-image indexing procedure should be user-oriented. It is essential to index the images at the right level of description and ensure that the indexed levels match the user's interest level. This study examines 240 medical-image descriptions produced by three different groups of medical-image users (novices, intermediates, and experts) in the area of radiography. This article reports several important findings: First, the effect of domain knowledge has a significant relationship with the use of semantic image attributes in image-users' descriptions. We found that experts employ more high-level image attributes which require high-reasoning or diagnostic knowledge to search for a medical image (Abstract Objects and Scenes) than do novices; novices are more likely to describe some basic objects which do not require much radiological knowledge to search for an image they need (Generic Objects) than are experts. Second, all image users in this study prefer to use image attributes of the semantic levels to represent the image that they desired to find, especially using those specific-level and scene-related attributes. Third, image attributes generated by medical-image users can be mapped to all levels of the pyramid model that was developed to structure visual information. Therefore, the pyramid model could be considered a robust instrument for indexing medical imagery. © 2012 Wiley Periodicals, Inc.