IRGAN: A Minimax Game for Unifying Generative and Discriminative Information Retrieval Models.
Jun WangLantao YuWeinan ZhangYu GongYinghui XuBenyou WangPeng ZhangDell ZhangPublished in: SIGIR (2017)
Keyphrases
- retrieval model
- discriminative information
- dimension reduction
- language model
- information retrieval systems
- discriminative features
- data representation
- test collection
- retrieval effectiveness
- document retrieval
- linear discriminant analysis
- vector space
- training samples
- query expansion
- information retrieval
- data samples
- retrieval systems
- user queries
- relevance feedback
- multiple features
- generative model
- metric learning
- retrieval process
- intra class
- euclidean distance
- unsupervised learning
- linear subspace
- feature selection
- machine learning
- image processing
- feature extraction
- singular value decomposition
- clustering method