Forecasting directional bitcoin price returns using aspect-based sentiment analysis on online text data.
Ekaterina LoginovaWai Kit TsangGuus van HeijningenLouis-Philippe KerkhoveDries F. BenoitPublished in: Mach. Learn. (2024)
Keyphrases
- sentiment analysis
- text data
- text classification
- text mining
- product reviews
- online reviews
- opinion mining
- sentiment classification
- sentiment lexicon
- text documents
- text categorization
- sentence level
- sentiment words
- bag of words
- natural language processing
- feature selection
- machine learning
- user generated
- high dimensional
- product features
- n gram
- structured data
- k nearest neighbor
- knn
- named entities
- cross lingual
- information extraction
- expert systems
- artificial intelligence
- neural network
- data sets
- document collections
- labeled data
- data analysis