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Qiu, Liwen – Information Processing and Management, 1994
Describes a study that was conducted to model the navigation patterns followed by users when retrieving information in hypertext systems. The development of two frequency distribution models is explained, the influence of search tasks on path patterns is discussed, and further research is described. (Contains 17 references.) (LRW)
Descriptors: Hypermedia, Information Retrieval, Literature Reviews, Models

Qiu, Liwen – Journal of the American Society for Information Science, 1993
Describes research that was conducted to determine the search state patterns through which users retrieve information in hypertext systems. Use of the Markov model to describe users' search behavior is discussed, and search patterns of different user groups were studied by comparing transition probability matrices. (Contains 25 references.) (LRW)
Descriptors: Comparative Analysis, Higher Education, Hypermedia, Information Retrieval