| 摘要 |
An information processing system for processing a document including non-coded data comprising an extracting unit for extracting non-coded data included in the document, a label information making unit for making a label information item from the non-coded data, the label information item representing a feature of the non-coded data, a management unit for managing documents so that each of the documents corresponds to the label information item, and a retrieval unit for, when a label information item is supplied as a retrieval key, retrieving a document which is managed so that the document corresponds to a label information item substantially identical to the specified label information item, from documents managed by the management unit.
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