PCFG Induction for Unsupervised Parsing and Language Modelling.
James SciclunaColin de la HigueraPublished in: EMNLP (2014)
Keyphrases
- language modelling
- grammar induction
- parse tree
- language model
- n gram
- highly ambiguous
- unsupervised learning
- ad hoc retrieval
- pseudo relevance feedback
- natural language processing
- natural language
- probabilistic context free grammars
- context free grammars
- weighting scheme
- supervised learning
- semi supervised
- part of speech
- word sense disambiguation
- machine learning
- language modeling
- dependency parsing
- test collection
- natural language parsing
- text retrieval
- relation extraction
- query terms
- retrieval model
- user ratings
- document retrieval