Empirical Analysis of Unlabeled Entity Problem in Named Entity Recognition.
Yangming LiLemao LiuShuming ShiPublished in: ICLR (2021)
Keyphrases
- empirical analysis
- named entity recognition
- named entities
- unsupervised learning
- information extraction
- named entity recognizer
- named entity disambiguation
- natural language processing
- semi supervised
- empirical studies
- theoretical analysis
- semi supervised learning
- relation extraction
- labeled data
- unlabeled data
- text mining
- co occurrence
- question answering
- text summarization
- chinese named entity recognition
- annotated corpus
- active learning
- sequence labeling
- maximum entropy
- training data
- supervised learning
- proper names
- knowledge base
- conditional random fields
- classifier ensemble
- listed companies
- class labels
- databases
- model selection
- prior knowledge
- pairwise
- data sets