Cost-sensitive Learning of Deep Semantic Models for Sponsored Ad Retrieval.
Nikit BegwaniShrutendra HarsolaRahul AgrawalPublished in: CoRR (2018)
Keyphrases
- cost sensitive learning
- semantic models
- cost sensitive
- content based retrieval
- probability estimation
- multimedia databases
- misclassification costs
- information retrieval
- class imbalance
- missing values
- image database
- active learning
- document retrieval
- semantic features
- information retrieval systems
- relevance feedback
- multimedia information
- query expansion
- retrieval systems
- learning models
- retrieval model
- image retrieval
- class distribution
- semantic annotation
- latent semantic analysis
- visual features
- high dimensional
- optimal solution
- training data