G PHYSICS
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G06 COMPUTING; CALCULATING OR COUNTING
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G06F ELECTRIC DIGITAL DATA PROCESSING
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G06F40/00 Handling natural language data
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G06F40/10 Text processing
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G06F40/12 Use of codes for handling textual entities
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G06F40/151 Transformation
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G06F40/154 Tree transformation for tree-structured or markup documents, e.g. XSLT, XSL-FO or stylesheets
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