Data processing: database and file management or data structures – Database design – Data structure types
Patent
1997-05-28
1999-09-28
Amsbury, Wayne
Data processing: database and file management or data structures
Database design
Data structure types
707 2, 707 6, G06F 1730
Patent
active
059604255
ABSTRACT:
A database access system responds a user database access request by restructuring a requested database based on two sets of expressions. Expressions are instructions for generating a new database from a starting database modeled as a starting edge-labeled tree by using pattern matches. Expressions always generate an edge-labeled tree allowing a sequence of expressions to be processed to restructure the starting tree. The database access system divides the database restructuring process into two sets of expressions. A first set of expressions is constructed based on subscriber requirements and a second set of expressions is constructed based on particular user requests. The first and second expressions are optimized by composition and the requested database is restructured based on the composed expression.
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Buneman Peter
Davidson Susan B.
Suciu Dan
Amsbury Wayne
AT&T Corp.
Lewis Cheryl R.
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