Using extensions to represent multityping

Details Using extensions to represent multityping Using extensions to represent multityping

2008-09-16

2008-09-16

Chace, Christian P. (Department: 2165)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

10877893

ABSTRACT:
A method and system are provided in which data may be multityped using a schematized data model. A standardized schema in a schematized data model includes at least one base construct for representing data that is common across multiple types of an object that the model represents. An extension to the standardized schema is at least one extension construct for representing data that is specific to a single type of the multiple types of the object. Instances of the extension construct are directly or indirectly associated with exactly one instance of the base construct without impacting the behavior and functionality of the base construct. Multiple extensions may be used to represent data that is specific to each of the corresponding multiple types of the object.

REFERENCES:
patent: 2005/0050073 (2005-03-01), Demiroski et al.
Cattell et al., “The Object Data Standard: ODMG 3.0”, Morgan Kaufmann, Mar. 2000, pp. 9-12.
Feng, L., et al., “Schemata Transformation of Object-Oriented Conceptual Models to XML, ”Computer Systems Science&Engineering 18(1):45-60, 2003.
Joseph, M., “The UML for Data Modellers,”Elektron, Apr. 2004, pp. 72-73.
Wang, G., and M. Liu, “Extending XML Schema With Nonmonotonic Inheritance,” in M.A. Jeusfeld and Ó. Pastor (eds.),ER 2003 Workshops, Lecture Notes in Computer Science 2814:402-407, 2003.

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