Contextual Representations and Semi-Supervised Named Entity Recognition for Portuguese Language.
Pedro Vitor Quinta de CastroNádia Félix Felipe da SilvaAnderson da Silva SoaresPublished in: IberLEF@SEPLN (2019)
Keyphrases
- named entity recognition
- semi supervised
- portuguese language
- natural language processing
- information extraction
- text summarization
- semi supervised learning
- bag of words
- labeled data
- sequence labeling
- pairwise
- named entities
- generative model
- unsupervised learning
- annotated corpus
- relation extraction
- maximum entropy
- maximum entropy classifier
- active learning
- graphical models
- named entity recognizer
- knowledge representation
- natural language
- information retrieval
- learning algorithm
- classifier ensemble
- artificial intelligence
- knowledge discovery
- higher order
- machine learning
- maximum likelihood