ECNU at TREC 2016: Web-based query expansion and experts diagnosis in Medical Information Retrieval.
Hongyu LiuYang SongYun HeYueyao WangQinmin HuLiang HePublished in: TREC (2016)
Keyphrases
- query expansion
- information retrieval
- retrieval effectiveness
- pseudo relevance feedback
- ad hoc retrieval
- biomedical information retrieval
- information retrieval systems
- language modeling
- relevance feedback
- text retrieval
- probabilistic retrieval model
- short queries
- retrieval model
- test collection
- relevant documents
- automatic query expansion
- language model
- interactive query expansion
- retrieved documents
- vocabulary mismatch
- term selection
- question answering
- information access
- expert finding
- retrieval systems
- query expansion methods
- query terms
- document level
- original query
- text mining
- vector space model
- term weighting
- document collections
- document retrieval
- model for information retrieval
- meta search
- language modeling framework
- sentence retrieval
- biomedical text
- patent retrieval
- tf idf
- ranked list