Document database management apparatus capable of conversion bet

Details Document database management apparatus capable of conversion bet Document database management apparatus capable of conversion bet

1995-05-18

1998-05-12

Black, Thomas G.

Data processing: database and file management or data structures

Database design

Data structure types

395606, 395602, 395611, 707 6, 707 2, 707 10, G06F 1730

Patent

active

057520216

ABSTRACT:
A semantic description storing means stores semantic descriptions representative of meanings of respective document components. A semantic description designating means designates one of the semantic descriptions stored in the semantic description storing means. A schema storage means stores, in a correlated manner, a schema and the designated semantic description of a document component of the schema. A document retrieving means performs retrieval on a database by using the semantic description thus stored in the schema storage means. A retrieval formula conversion means causes the schema retrieving means to call the correspondence between the semantic description and the schema from the schema storage means, receives a first retrieval formula relating to a first schema and directed to first retrieval, and converts the first retrieval formula to a second retrieval formula relating to a second schema and directed to second retrieval that is equivalent to the first retrieval.

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