Exploratory Class-Imbalanced and Non-identical Data Distribution in Automatic Keyphrase Extraction.
Weijian NiTong LiuQingtian ZengPublished in: ISNN (2) (2012)
Keyphrases
- data distribution
- automatic keyphrase extraction
- class imbalanced
- keyphrase extraction
- class imbalance
- instance selection
- data streams
- concept drift
- keyphrases
- index structure
- data points
- decision boundary
- high dimensional data
- minority class
- nearest neighbor
- neural network
- document retrieval
- text categorization
- database
- semi supervised learning
- unsupervised learning
- data structure
- training data
- similarity measure
- feature extraction
- database systems
- feature selection
- data sets