Attribute data management system

Details Attribute data management system Attribute data management system

2006-04-10

2009-06-02

Ali, Mohammad (Department: 2169)

Data processing: database and file management or data structures

Database design

Data structure types

C711S118000, C711S128000

Reexamination Certificate

active

07542968

ABSTRACT:
Cache hit ratio is improved in a cache apparatus that reads and caches contents from a large-scale database. The cache apparatus includes a cache section for recording a plurality of sets. Each set includes an attribute ID, an extractor for extracting the attribute ID from an object ID, and attribute data identified by the attribute ID. The cache apparatus receives an object ID and extracts an attribute ID from the object ID using an extractor recorded in the cache section. If the extracted attribute ID coincides with attribute ID cached in association with the extractor, the cache apparatus returns attribute data recorded in association with the extractor. On the other hand, if the extracted attribute ID does not coincide with the attribute ID recorded in association with the extractor, the cache apparatus receives attribute data and an extractor from a DB using the object ID, and caches the read extractor and attribute data in the cache section in association with attribute ID.

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patent: 06-274401 (1994-09-01), None
patent: 2000-120385 (2000-01-01), None

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