Learning to Rank Query Graphs for Complex Question Answering over Knowledge Graphs.
Gaurav MaheshwariPriyansh TrivediDenis LukovnikovNilesh ChakrabortyAsja FischerJens LehmannPublished in: ISWC (1) (2019)
Keyphrases
- question answering
- learning to rank
- information retrieval
- natural language questions
- information extraction
- loss function
- ranking svm
- ranking functions
- query processing
- natural language processing
- natural language
- relevance judgments
- query expansion
- document retrieval
- evaluation metrics
- evaluation measures
- named entities
- machine learning
- data sources
- retrieval systems
- relevance feedback
- knowledge representation
- test collection
- support vector
- data mining
- pairwise
- average precision
- query suggestion
- passage retrieval
- search engine