Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-03-13
2007-03-13
Pham, Hung (Department: 2168)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
10735085
ABSTRACT:
A data representation and retrieval method and apparatus enables to quickly locate and extract specified data from a data file with use of supplemental data stored in a small storage file. The method includes the steps of providing a primary data file which stores a large volume of recorded data where a location of each piece of recorded data is represented by an offset value, providing a secondary data file which stores supplemental data for assisting to search and retrieve the recorded data from the primary data file, accessing the secondary data file to retrieve supplemental data corresponding to search data specified by a user, and accessing the primary data file at locations specified by offset values derived from the supplemental data and retrieving the recorded data therefrom.
REFERENCES:
patent: 3670310 (1972-06-01), Bharwani et al.
patent: 5613110 (1997-03-01), Stuart
patent: 5920541 (1999-07-01), Sasaki et al.
patent: 2002/0067377 (2002-06-01), McGrovern
patent: 2003/0233618 (2003-12-01), Wan
Alpine Electronics Inc.
Muramatsu & Associates
Pham Hung
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