Keyphrases
- knowledge acquisition
- search algorithm
- heuristic search
- knowledge base
- expert systems
- search space
- knowledge based systems
- knowledge representation
- domain experts
- ripple down rules
- inductive learning
- branch and bound
- search tree
- natural language text
- search methods
- tabu search
- search strategy
- hill climbing
- machine learning
- natural language
- text documents
- short texts
- text categorization
- data mining
- keywords
- selection algorithm
- natural language generation