A zooming user interface for browsing-based archive system, KENBUN, is introduced to facilitate access the newspaper articles which are scanned from microfilm into digital images. The KENBUN provides browsing capability for the articles on the basis of the spatiotemporal knowledge of newspaper readers, where the digital images are linearly arranged according to their publish time on a two-dimensional space. We propose a zooming user interface for supporting both focused and contextual views of

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... he space by providing the continuous and discrete interaction modes. The continuous and discrete interaction modes respectively allow the users move continuously on the space and interactively select certain times. The experiment revealed that using these modes is necessitated for browsing a large number of articles in finding not only a desired image but also text information.