Named Entity Recognition in Chemical Patents using Ensemble of Contextual Language Models.
Jenny CoparaNona NaderiJulien KnafouPatrick RuchDouglas TeodoroPublished in: CLEF (Working Notes) (2020)
Keyphrases
- language model
- named entity recognition
- classifier ensemble
- information retrieval
- information extraction
- context sensitive
- query expansion
- named entities
- language modeling
- natural language processing
- text summarization
- conditional random fields
- n gram
- document retrieval
- probabilistic model
- maximum entropy
- semi supervised
- relation extraction
- retrieval model
- smoothing methods
- vector space model
- test collection
- text mining
- ensemble methods
- pseudo relevance feedback
- relevant documents
- question answering
- relevance model
- translation model
- machine learning
- higher order
- artificial intelligence
- retrieval systems
- training data
- model selection
- learning algorithm
- information retrieval systems