Modular blackboard based expert system
US5101362A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 5, 1990 |
| Grant date | Mar 31, 1992 |
| Priority date | — |
| Expiry date | Nov 5, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06N5/043
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An expert system includes a blackboard, a plurality of knowledge sources, a control knowledge source and a control module. The blackboard stores data used during an execution cycle. Each knowledge source includes rules for performing selected operations in connection with the data in the blackboard. The control knowledge source includes selection rules for selecting among the knowledge sources. The control module performing an execution cycle including an eligibility determination phase to identify one or more of the knowledge sources, a knowledge source selection phase using the selection rules in said control knowledge source to select one of the identified knowledge sources, and an action phase to process a rule of the selected knowledge source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.