A Computational Approach to Feature Extraction for Identification of Suicidal Ideation in Tweets.
Ramit SawhneyPrachi ManchandaRaj SinghSwati AggarwalPublished in: ACL (3) (2018)
Keyphrases
- manifold learning
- feature extraction
- dimensionality reduction
- dimension reduction
- high dimensional
- social media
- preprocessing
- feature space
- feature vectors
- human identification
- named entities
- principal component analysis
- pattern recognition
- image classification
- face recognition
- feature extractors
- pattern classification
- linear feature extraction
- text mining
- feature representation
- text classification
- computer vision
- image retrieval
- feature selection