Abstract
Recently, it has been a matter of great importance to publish the multimedia data objects stored in various information sources. The World Wide Web is often used as publication media. In such context, a crucial point is how to present the results of the set-at-a-time operation (querying and restructuring of data in underlying information sources). Frameworks to specify how to query and restructure data are usually different from those to specify the presentation of the results in existing systems. This paper proposes a visual user interface which amalgamates authoring, querying, and restructuring functions for multimedia Web view construction. The user is only required to drag and drop data objects, just like in typical authoring tools for HTML and SMIL pages. A feature of our user interface is that the user can designate an existing data object as an example, which will serve as the representative of a set of data objects. Manipulation of an example is interpreted as manipulation of the set of data objects. Therefore, the object-at-a-time authoring framework and the set-at-a-time data manipulation (querying and restructuring) framework are integrated in a seamless way. Another feature is that the interface can cope with semistructured data, which often appear in the context of multimedia view construction. This paper also provides the formal semantics of data operations through the visual user interface.
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Morishima, A., Koizumi, S., Kitagawa, H. (2000). Drag and Drop: Amalgamation of Authoring, Querying, and Restructuring for Multimedia View Construction. In: Arisawa, H., Catarci, T. (eds) Advances in Visual Information Management. VDB 2000. IFIP — The International Federation for Information Processing, vol 40. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35504-7_17
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DOI: https://doi.org/10.1007/978-0-387-35504-7_17
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