POS-MRF: A Part-Of-Speech Weighted Markov Random Field Model for Clinical Information Retrieval.
Yanshan WangDingcheng LiStephen T. WuHongfang LiuPublished in: CRI (2016)
Keyphrases
- part of speech
- markov random field model
- markov random field
- information retrieval
- n gram
- tf idf
- random fields
- pos tagging
- natural language processing
- word sense disambiguation
- parameter estimation
- information retrieval systems
- language model
- text documents
- higher order
- unsupervised grammar induction
- text mining
- information extraction
- pairwise
- conditional random fields
- ambiguous words
- image segmentation
- document collections
- search engine
- vector space model
- texture model
- wordnet
- syntactic categories
- question answering
- artificial intelligence
- relevance feedback
- pos taggers
- natural language
- data analysis
- sparse coding
- bag of words
- knowledge discovery
- machine learning
- query expansion