End user query facility including a query connectivity driver

Patent 5749079 Issued on May 5, 1998. Estimated Expiration Date:

May 5, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

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Inventors

Assignee

Singapore Computer Systems Limited

Application

No. 378744 filed on 01/26/1995

US Classes:

707/100, DATABASE SCHEMA OR DATA STRUCTURE707/3Query processing (i.e., searching)

Examiners

Primary: Black, Thomas G.
Assistant: Corrielus, Jean B.

Attorney, Agent or Firm

Foreign Patent References

0 589 070 A1 EP 03/12/1994

International Class

G06F 017/30

Abstract

An end user query technology is taught which is capable of automatically understanding the database model and guiding the user to scout for the desired information, thereby increasing productivity and ease of information access. The user is freed from the need to understanding the database model, with the end user query facility of this invention quickly guiding the user to acquire the information. This is made possible by the end user query facility of this invention first recapturing the application semantics from the existing database model to provide a set of derived semantics. The derived semantics are then used by the end user query facility to intelligently guide the user to scout for the desired information in the database. In addition, the derived semantics can be easily updated by the end user query facility when the database model is changed.

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