Keyphrases
- operational semantics
- definition language
- formal semantics
- pos tagging
- machine processable
- lexical semantics
- rule language
- attribute grammars
- young children
- predicate calculus
- information retrieval
- precisely defined
- metadata
- high level
- manually annotated
- semantic information
- constraint language
- morphological analysis
- text mining
- co occurrence
- part of speech
- first order logic