Using Centroids of Word Embeddings and Word Mover's Distance for Biomedical Document Retrieval in Question Answering.
Georgios-Ioannis BrokosProdromos MalakasiotisIon AndroutsopoulosPublished in: BioNLP@ACL (2016)
Keyphrases
- question answering
- document retrieval
- passage retrieval
- syntactic information
- cross language
- question answering systems
- information retrieval
- language model
- n gram
- document image retrieval
- information extraction
- retrieval model
- document collections
- term frequency
- natural language
- word sense disambiguation
- sentence retrieval
- named entities
- relevant documents
- co occurrence
- text retrieval
- probabilistic model
- text mining
- vector space model
- relational databases
- sentence level
- relation extraction
- pseudo relevance feedback
- language modeling
- information retrieval systems
- query expansion