PURPOSE: To obtain a data retriever and its data retrieval method to retrieve data linked with data designated at an application part at high speed.
CONSTITUTION: This device is equipped with the application part 51, a node information managing part 52, a data base managing part 53, and a counter-data base managing part communication means 5122 provided at the application part 51 or a virtual node information managing part 512. When the data is designated at the application part 51, a data ID to identify the data is delivered to the node information managing part 52, and the data ID of link destination data of the data can be acquired, and an obtained data ID is delivered to the data base managing part 53, and the data identified by the data ID is returned to the application part, thereby, the link destination data of the data designated at the application part 51 first can be retrieved.
MAEKAWA TAKAAKI
NAKAGAWA KOICHI
JPH04274536A | 1992-09-30 | |||
JPH04245789A | 1992-09-02 | |||
JPH03147181A | 1991-06-24 | |||
JPH0417068A | 1992-01-21 |
Next Patent: CASSETTE LOADING DEVICE