Combining Lexical and Dense Retrieval for Computationally Efficient Multi-hop Question Answering.
Georgios SidiropoulosNikos VoskaridesSvitlana VakulenkoEvangelos KanoulasPublished in: SustaiNLP@EMNLP (2021)
Keyphrases
- question answering
- multi hop
- passage retrieval
- information retrieval
- syntactic information
- natural language processing
- textual entailment recognition
- wireless sensor networks
- wireless networks
- sentence retrieval
- semantic roles
- question answering systems
- ad hoc networks
- mobile ad hoc networks
- data transmission
- question classification
- end to end
- information extraction
- energy efficient
- qa clef
- routing protocol
- answer extraction
- document retrieval
- energy consumption
- base station
- cross language
- speech transcripts
- test collection
- answer validation
- relevance feedback
- natural language
- retrieval systems
- image retrieval
- query expansion
- natural language questions
- qa systems
- wifi
- retrieval model
- information retrieval systems
- keywords
- routing algorithm
- semantic role labeling
- digital libraries
- artificial intelligence