Novel Approach to Predict Hospital Readmissions Using Feature Selection from Unstructured Data with Class Imbalance.
Arun SundararamanSrinivasan Valady RamanathanRamprasad ThatiPublished in: Big Data Res. (2018)
Keyphrases
- class imbalance
- unstructured data
- feature selection
- structured data
- textual data
- high dimensionality
- big data
- class distribution
- semi structured
- active learning
- text categorization
- information management
- relational databases
- semi structured data
- cost sensitive
- data warehouse
- concept drift
- data sources
- raw data
- machine learning
- minority class
- feature set
- information extraction
- support vector machine
- support vector
- text classification
- data sets
- object oriented
- feature space
- feature extraction
- database systems
- information retrieval
- databases
- text documents
- microarray
- unsupervised learning
- data mining