| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a structured document management apparatus and a method thereof for properly compressing an index even if the index contains structure information of a structured document. <P>SOLUTION: For each of words divided from text information, when the number of pieces of index information associated with schema identification information and identification information exceeds a threshold, an index analysis part 36 analyzes a distribution for each of a schema identification information group comprising the same number of pieces of schema identification information as the number of pieces of index information and an identification information group comprising the same number of pieces of identification information as the number of pieces of index information. When a result of the distribution analysis of the schema identification information group shows that more than a predetermined number of pieces of schema identification information match the schema identification information stored in a first rule storage part 55 storing the schema identification information, group identification information allowing identification of a group, to which the schema identification information belongs, and intra-group identification information allowing identification of the schema identification information inside the group in mutual association, a first compressing part 38 compresses the schema identification information group by using the group identification information and the intra-group identification information. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
