Weak Semi-Markov CRFs for NP Chunking in Informal Text.
Aldrian Obaja MuisWei LuPublished in: CoRR (2018)
Keyphrases
- semi markov
- conditional random fields
- named entity recognition
- information extraction
- crf model
- text summarization
- graphical models
- higher order
- hidden markov models
- sequence labeling
- probabilistic model
- pairwise
- maximum entropy
- free text
- generative model
- text mining
- markov random field
- fully connected
- text documents
- machine learning
- computational complexity
- text retrieval
- np complete
- natural language processing
- informal learning
- information retrieval
- database
- language model
- textual data
- np hard
- document analysis
- structured prediction
- bayesian networks