Grammatical Verification for Mathematical Formula Recognition Based on Context-Free Tree Grammar.
Akio FujiyoshiMasakazu SuzukiSeiichi UchidaPublished in: Math. Comput. Sci. (2010)
Keyphrases
- context free
- parse tree
- grammar rules
- context free grammars
- phrase structure
- mathematical formulas
- tree languages
- context dependent
- grammatical inference
- semantic analysis
- context sensitive
- dependency parsing
- graph grammars
- tree automata
- attribute grammars
- mathematical expressions
- natural language text
- semantic representation
- inductive inference
- part of speech
- relation extraction
- finite state
- structured data
- conceptual graphs
- tree structures
- tree structure
- noun phrases
- linguistic knowledge
- representation language
- production rules
- document images
- relational databases
- probabilistic context free grammars