Learning to Rank Question-Answer Pairs Using Hierarchical Recurrent Encoder with Latent Topic Clustering.
Seunghyun YoonJoongbo ShinKyomin JungPublished in: NAACL-HLT (2018)
Keyphrases
- learning to rank
- ranking functions
- information retrieval
- loss function
- clustering algorithm
- latent topics
- document retrieval
- k means
- unsupervised learning
- topic models
- ranking svm
- test collection
- direct optimization
- learning to rank algorithms
- topic modeling
- supervised learning
- retrieval systems
- collaborative filtering
- natural language processing
- directly optimize
- pairwise
- machine learning
- question answering
- latent dirichlet allocation
- data analysis
- balancing exploration and exploitation