Patent ID: 6889223
Filing Date: 2005-05-03
Classification: G06F,Y10S

Abstract:
1. A computer program stored on a computer readable medium, and instructing the computer to retrieve structured documents from a structured-documents-database having a hierarchical structure and storing a plurality of structured documents each having a document structure and a plurality of data items, each of the document structures being constructed by a plurality of components, each of the component constructing the hierarchical structure, and each of the data items being stored in the structured-documents-database as a value included in one of the components, the computer program comprising: first program instruction means for instructing a computer processor to receive at least one retrieval condition including at least one first desired word, and at least one first desired component including a value in which the first desired word is included; second program instruction means for instructing a computer processor to detect a plurality of second desired components each being similar to the first desired component, in the hierarchical structure; third program instruction means for instructing a computer processor to acquire a plurality of second desired words each being similar to the first desired word; fourth program instruction means for instructing a computer processor to retrieve a plurality of first structured documents each including at least one first component including a value in which at least one of the first desired word and the second desired words is included, from the structured-document-database; and fifth program instruction means for instructing a computer processor to retrieve a plurality of second structured documents each including a second component corresponding to one of the first desired component and the second desired components and including or corresponding to the first component, from the first structured documents.