Using Surface and Semantic Features for Detecting Early Signs of Self-Harm in Social Media Postings.
Linda AchillesMax KisselewJohannes SchäferRalph KöllePublished in: CLEF (Working Notes) (2020)
Keyphrases
- semantic features
- social media
- semantic information
- visual features
- text classification
- linguistic features
- wordnet
- semantic similarity
- low level features
- semantic models
- feature set
- document clustering
- knowledge representation
- parse selection
- social networks
- user generated content
- visual information
- information retrieval systems
- low level
- prior knowledge
- keywords
- knowledge base