| 摘要 |
PURPOSE:To extract partial document contents from a structured document stored in a document data base. CONSTITUTION:A document retrieval means 12 reports information which designates a set of documents out of information, which are reported from a retrieval expression analysis means 11, to a document set retrieval means 13 and reports information related to extraction of the document structure out of these information to a document structure extracting means 14. The document set retrieval means 13 retrieves a set of documents in a document storage part 2 based on reported information. The document structure extracting means 14 extracts the document structure of each element of the set of documents retrieved by the document set retrieval means 13. A document allocating means 15 allocates unallocated documents extracted and reconstituted by the document structure extracting means 14. |
