Understanding Graph Structure of Wikipedia for Query Expansion.
Joan Guisado-GámezArnau Prat-PérezPublished in: GRADES@SIGMOD/PODS (2015)
Keyphrases
- query expansion
- graph structure
- information retrieval systems
- information retrieval
- language model
- retrieval effectiveness
- graphical models
- pseudo relevance feedback
- relevant documents
- language modeling
- relevance feedback
- text retrieval
- directed graph
- graph structures
- automatic query expansion
- retrieval model
- query terms
- improving search
- document collections
- original query
- biomedical information retrieval
- ad hoc retrieval
- interactive query expansion
- retrieved documents
- query disambiguation
- semantic information
- retrieval systems
- user queries
- query processing
- data structure
- keywords