Creation of duration episodes from single time events

Details Creation of duration episodes from single time events Creation of duration episodes from single time events

2007-04-10

2007-04-10

Rimell, Sam (Department: 2164)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

11326562

ABSTRACT:
One embodiment of the invention provides method for processing a database query that includes an episode-based condition. The method includes determining the time periods associated with one or more duration episodes by analyzing a set of data reflecting values for the episode-based condition captured at various points in time. An episode definition may indicate the substantive data value associated with a duration based event, and the data values used to determine a beginning and ending date/time associated with each episode. Database queries that include the episode-based condition may be composed by specifying a desired value for the episode-based condition used in selecting query results.

REFERENCES:
patent: 6725227 (2004-04-01), Li
patent: 2004/0193567 (2004-09-01), Dettinger et al.
patent: 2004/0210579 (2004-10-01), Dettinger et al.
patent: 2004/0225641 (2004-11-01), Dettinger et al.
Dettinger, et al., U.S. Appl. No. 10/083,075, filed Feb. 26, 2002, “Application Portability and Extensibility Through Database Schema and Query Abstraction” (ROC920020044US1).
Dettinger, et al., U.S. Appl. No. 10/403,356, filed Mar. 31, 2003, “Dealing with Composite Data Through Data Model Entities”(ROC920030008US1).
Dettinger, et al., U.S. Appl. No. 11/005,418, filed Dec. 6, 2004, “Abstract Query Plan” (ROC920040198US1).

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