Learning a Perceptron-Based Named Entity Chunker via Online Recognition Feedback.
Xavier CarrerasLluís MàrquezLluís PadróPublished in: CoNLL (2003)
Keyphrases
- named entities
- online learning
- learning algorithm
- learning process
- pattern recognition
- weakly supervised
- artificial intelligence
- object recognition
- information extraction
- feature extraction
- unsupervised learning
- named entity extraction
- databases
- relation extraction
- question answering
- hidden markov models
- image segmentation
- machine learning
- real world