Pattern-based Topic Modelling for Query Expansion.
Yang GaoYue XuYuefeng LiPublished in: AusDM (2014)
Keyphrases
- query expansion
- information retrieval systems
- query disambiguation
- retrieval effectiveness
- language model
- information retrieval
- text retrieval
- relevance feedback
- relevant documents
- document level
- pseudo relevance feedback
- language modeling
- query terms
- query topic
- original query
- topic models
- query expansion methods
- retrieval model
- trec genomics track
- blog feed search
- ad hoc retrieval
- expert finding
- query specific
- automatic query expansion
- improving search
- biomedical information retrieval
- image retrieval
- document ranking
- short queries
- retrieved documents
- pseudo feedback
- interactive query expansion
- topic modeling
- news articles
- question answering
- probabilistic retrieval model