Full parsing approximation for information extraction via finite-state cascades.
Fabio CiravegnaAlberto LavelliPublished in: Nat. Lang. Eng. (2002)
Keyphrases
- finite state
- information extraction
- natural language processing
- context free
- markov chain
- policy iteration algorithm
- finite state transducers
- model checking
- probabilistic context free grammars
- markov decision processes
- natural language
- text mining
- machine learning
- named entity recognition
- tree automata
- information retrieval
- optimal policy
- question answering
- structured data
- state space
- context free grammars
- vector quantizer
- web documents
- dependency parsing
- hidden markov models
- relation extraction
- named entities