Importance

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Abstract

A technique is provided which appropriately processes data structured by a markup language.An acquisition unit acquires a document to be processed, a definition file associated with the document, a definition file which provides various kinds of tools for processing the document, etc. A launcher control unit displays the documents and tools thus acquired in the form of icons. Upon the user clicking the icon, the launcher control unit launches the document or tool that corresponds to the icon thus clicked. When a document is opened by a launcher according to an instruction from the launcher control unit, a layout control unit controls the layout of the display region for the document on a screen. When multiple documents are opened, a linkage control unit controls the linkage of data pieces among these documents. When the document includes data associated with time information, a time slider control unit displays a time slider which provides an interface function for allowing the user to set time information.

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First Claim