Research on Knowledge Discovery and Stock Forecasting of Financial News Based on Domain Ontology.
Lingling ZhangMinghui ZhaoZili FengPublished in: Int. J. Inf. Technol. Decis. Mak. (2019)
Keyphrases
- domain ontology
- financial news
- stock market
- knowledge discovery
- short term
- text mining
- stock price
- long term
- domain knowledge
- semi automatic
- domain specific
- semantic information
- data mining
- domain experts
- databases
- formal concept analysis
- news feeds
- conceptual model
- data sources
- machine learning
- data analysis
- association rules
- learning path
- domain specific information
- data mining techniques
- hong kong
- conceptual graphs
- automatic or semi automatic
- trading systems
- semantic interoperability
- search engine
- historical data
- high level
- news stories
- concept hierarchy
- semantic mapping