Indexing and access for digital libraries and the Internet: human, database, and domain factors
Journal of the American Society for Information Science
Strategy hubs: next-generation domain portals with search procedures
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Journal of the American Society for Information Science and Technology
Cyberchondria: Studies of the escalation of medical concerns in Web search
ACM Transactions on Information Systems (TOIS)
Comprehension effects of signalling relationships between documents in search engines
Computers in Human Behavior
Intentions and attention in exploratory health search
Proceedings of the 34th international ACM SIGIR conference on Research and development in Information Retrieval
Studies of the onset and persistence of medical concerns in search logs
SIGIR '12 Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval
Captions and biases in diagnostic search
ACM Transactions on the Web (TWEB)
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Motivated by the importance of retrieving comprehensive healthcare information, we analyzed how information about 12 concepts related to a widely available healthcare topic is distributed across 145 high-quality webpages. The analysis reveals that the distribution of the concepts follows a power law where a few pages contain many concepts, while the majority contains less than half the concepts. The analysis also reveals the existence of general, specialized, and sparse pages, in addition to the large number of pages that users must visit before they have access to all the concepts. These results provide insights into expert search procedures, and motivate the design of future search systems that guide users in the retrieval of comprehensive information.