| 20100100544 | DOCUMENT SEARCHING DEVICE, DOCUMENT SEARCHING METHOD, AND DOCUMENT SEARCHING PROGRAM - The present invention relates to a document retrieval apparatus for retrieving the desired data from a structured a document file. The apparatus holds index information in which a tag set including tags that are in a hierarchical relation with each other, is associated with one or more of positions of which path expressions include the tag set, in a structured document file. When receiving an input of a partial path expression, the apparatus specifies a position where the tag set included in the partial path expression is present as part of a path expression of the position, as a candidate position for a position to be retrieved, with reference to the index information. | 04-22-2010 |
