Learning Unsupervised Knowledge-Enhanced Representations to Reduce the Semantic Gap in Information Retrieval.
Maristella AgostiStefano MarchesinGianmaria SilvelloPublished in: ACM Trans. Inf. Syst. (2020)
Keyphrases
- information retrieval
- supervised learning
- prior knowledge
- semantic gap
- learning algorithm
- domain knowledge
- information retrieval systems
- test collection
- video retrieval
- visual content
- image sequences
- knowledge representation
- information extraction
- learning process
- image database
- visual features
- semantic information
- low level features