CXP949 at WNUT-2020 Task 2: Extracting Informative COVID-19 Tweets - RoBERTa Ensembles and The Continued Relevance of Handcrafted Features.
Calum PerrioHarish Tayyar MadabushiPublished in: CoRR (2020)
Keyphrases
- automatically extracted
- information content
- prior knowledge
- extracting features
- feature extraction
- social media
- co occurrence
- information retrieval
- feature ranking
- spatial information
- benchmark datasets
- relevance feedback
- image features
- feature vectors
- feature space
- classification accuracy
- low level
- decision trees
- ensemble learning
- random forests
- feature selection
- social networks
- data sets