Learning to Rank Query Graphs for Complex Question Answering over Knowledge Graphs.
Gaurav MaheshwariPriyansh TrivediDenis LukovnikovNilesh ChakrabortyAsja FischerJens LehmannPublished in: CoRR (2018)
Keyphrases
- question answering
- learning to rank
- information retrieval
- ranking svm
- natural language questions
- loss function
- relevance judgments
- retrieval systems
- natural language processing
- passage retrieval
- ranking functions
- information extraction
- collaborative filtering
- named entities
- reinforcement learning
- natural language
- document retrieval
- knowledge representation
- query expansion
- relevance feedback
- user queries
- data sources
- query suggestion
- keywords