| 摘要 |
<p>There is provided an information processing apparatus for providing encoding technology that enables data size reductions and analysis processing speed improvements. The apparatus (100) includes a file input unit (105) that inputs a file including elements having a data stream of a predetermined format as an attribute value, a hierarchy information setting unit (S303) that sets hierarchy information indicating hierarchical positions for each of one or more delimiters included in the data stream, a structure information generating unit (S304) that generates structure information that defines mutual relations between hierarchy information, a designating unit (S301) that designates a region of a data stream of a predetermined format from the input file, and an encoding unit (S305) that detects delimiters from the designated region and, based on detected delimiters and structure information, encodes a data stream of the designated region based on a preset structured description language.
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