Query Expansion Based on Query Log and Small World Characteristic.
Yunjuan CaoXueping PengKun ZhaoZhendong NiuGx XuWeiqiang WangPublished in: WISE (2009)
Keyphrases
- query expansion
- small world
- query logs
- query terms
- information retrieval systems
- retrieval effectiveness
- web search
- search engine
- social networks
- web search engines
- power law
- relevant documents
- search logs
- user queries
- language model
- information retrieval
- query suggestion
- expert search
- complex networks
- retrieval model
- search queries
- pseudo relevance feedback
- network structure
- relevance feedback
- document ranking
- retrieved documents
- search behavior
- retrieval systems
- original query
- social network analysis
- co occurrence
- relevance model
- search sessions
- database systems