Hybrid query expansion using lexical resources and word embeddings for sentence retrieval in question answering.
Massimo EspositoEmanuele DamianoAniello MinutoloGiuseppe De PietroHamido FujitaPublished in: Inf. Sci. (2020)
Keyphrases
- sentence retrieval
- query expansion
- question answering
- passage retrieval
- retrieval model
- language modeling
- information retrieval
- information retrieval systems
- word sense disambiguation
- retrieval effectiveness
- language model
- text retrieval
- short queries
- relevance feedback
- term frequency
- relevant documents
- pseudo relevance feedback
- co occurrence
- n gram
- retrieved documents
- information extraction
- wordnet
- natural language processing
- vector space
- text mining
- natural language