Method for retrieving constant values using regular expressions

Details Method for retrieving constant values using regular expressions Method for retrieving constant values using regular expressions

2008-03-27

2010-11-09

LeRoux, Etienne P (Department: 2161)

Data processing: database and file management or data structures

Database and file access

Query optimization

Reexamination Certificate

active

07831589

ABSTRACT:
Disclosed is a method of retrieving constant values. The method comprises compiling key-value pairs into a unified regular expression, evaluating the unified regular expression against a transformed input string to match a particular key and extracting the constant value associated with that particular key. The input string in transformed by linking different tags associated with each key-value pair in the unified regular expression into a single linked tag and linking the single linked tag to the input string. Additionally, the method provides for associating the constant value in each key-value pair with an un-fixed key (i.e., a unique regular expression) as opposed to a fixed key, so that different input strings can be matched to the same key.

REFERENCES:
patent: 5978801 (1999-11-01), Yuasa
patent: 7191177 (2007-03-01), Konaka
patent: 2003/0187843 (2003-10-01), Seward
patent: 2004/0015909 (2004-01-01), Cho et al.
patent: 2004/0187110 (2004-09-01), Boyfield
patent: 2005/0091037 (2005-04-01), Haluptzok et al.

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