Enhancing Sumerian Lemmatization by Unsupervised Named-Entity Recognition.
Yudong LiuClinton BurkhartJames HearneLiang LuoPublished in: HLT-NAACL (2015)
Keyphrases
- named entity recognition
- semi supervised
- named entities
- information extraction
- natural language processing
- unsupervised learning
- maximum entropy
- supervised learning
- text summarization
- pos tagging
- relation extraction
- sequence labeling
- conditional random fields
- annotated corpus
- weakly supervised
- active learning
- classifier ensemble
- proper names
- hand coded
- pairwise
- pos taggers
- chinese named entity recognition
- maximum entropy classifier
- dimensionality reduction
- question answering
- co occurrence
- natural language
- data sets