InterFIS: A Natural Language Interface to the Fault Isolation Shell
Abstract
This report describes InterFIS, a syntactically based natural language interface to a model-based expert system, FIS (Fault Isolation Shell). FIS diagnoses probable cause of failure of avionics in an interactive troubleshooting session and assigns blame by using probabilistic reasoning. InterFIS provides the FIS user with a non-tool-specific interface and permits linguistic complexity and paraphrasability in natural language interactions. InterFIS, driven by the Proteus chart parser, maps syntactic-semantic representations into domain predicates that are then mapped into representations corresponding to the various FIS commands. FIS responds in either a graphic or text mode. We report how by using natural English commands and queries as input to the expert system shall we have extended the mnemonic commands of the menu interface to FIS. We also describe how we have extended some of the capabilities of the export system without changing any of its functionality. We discuss our research approaches and conclude with implications and questions raised by our work.
Document Details
- Document Type
- Technical Report
- Publication Date
- Dec 31, 1990
- Accession Number
- ADA230780
Entities
People
- Brian Potter
- Dennis J. Perzanowski
Organizations
- United States Naval Research Laboratory