基于分类模型的查询扩展方法 (Query Expansion Based on Classification Model).
Weiyin LiYulong ShiJie ChenChongyang ShiPublished in: 计算机科学 (2015)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- language model
- information retrieval
- text retrieval
- relevance feedback
- language modeling
- relevant documents
- pseudo relevance feedback
- query terms
- retrieval model
- query specific
- ad hoc retrieval
- query translation
- original query
- probabilistic retrieval model
- term selection
- trec genomics track
- probabilistic model
- retrieved documents
- document ranking
- average precision
- initial query
- question answering
- ranked retrieval
- model for information retrieval
- vocabulary mismatch
- web corpora
- text classification