Negative Confidence-Aware Weakly Supervised Binary Classification for Effective Review Helpfulness Classification.
Xi WangIadh OunisCraig MacDonaldPublished in: CIKM (2020)
Keyphrases
- binary classification
- weakly supervised
- support vector
- cost sensitive
- support vector machine
- multi class
- fully supervised
- class imbalance
- classification accuracy
- learning problems
- image classification
- feature vectors
- text classification
- generalization error
- superpixels
- cross validation
- decision trees
- relation extraction
- unsupervised learning
- multi label
- feature space
- feature selection
- prior knowledge
- feature extraction
- similarity measure
- object recognition
- learning tasks
- training examples
- labeled data
- computer vision
- supervised learning
- semi supervised
- pairwise
- knowledge discovery