Keyphrases
- hierarchically structured
- production rules
- hierarchical structure
- production system
- knowledge based systems
- knowledge representation
- rule base
- inference mechanism
- symbolic reasoning
- knowledge base
- knowledge acquisition
- multistage
- image processing
- genetic programming
- data mining
- query processing
- expert systems
- classification rules
- data structure
- feature extraction
- computer vision
- artificial intelligence
- knowledge representation scheme
- information retrieval