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Peer reviewedGoodrum, Abby A. – Journal of the American Society for Information Science and Technology, 2001
Four types of video surrogates were compared under two tasks. Multidimensional scaling was used to map dimensional dispersions of users' judgments of similarity between videos and surrogates. Congruence between these maps was used to evaluate representativeness of each surrogate type. Congruence was greater for image-based than for text-based…
Descriptors: Comparative Analysis, Information Management, Information Retrieval, Information Systems
Ding, Wei; Soergel, Dagobert; Marchionini, Gary – Proceedings of the ASIS Annual Meeting, 1999
Investigates the information representation power of different modalities in the video data in order to collect empirical evidence for video surrogate creation and thus better support effective video browsing and information retrieval. Three types of video surrogates were created and compared under two user tasks--verbal comprehension and visual…
Descriptors: Comparative Analysis, Information Processing, Information Retrieval, Interactive Video
