Leveraging hierarchical language models for aspect-based sentiment analysis on financial data.
Matteo LengkeekFinn van der KnaapFlavius FrasincarPublished in: Inf. Process. Manag. (2023)
Keyphrases
- sentiment analysis
- language model
- financial data
- language modeling
- opinion mining
- sentiment lexicon
- stock market
- n gram
- sentiment words
- sentiment classification
- document retrieval
- text classification
- retrieval model
- probabilistic model
- sentence level
- query expansion
- test collection
- natural language processing
- credit card
- text mining
- information retrieval
- product reviews
- query terms
- stock price
- relevance model
- pseudo relevance feedback
- document ranking
- machine learning
- long term
- query specific