Understanding Graph Structure of Wikipedia for Query Expansion.
Joan Guisado-GámezArnau Prat-PérezPublished in: CoRR (2015)
Keyphrases
- query expansion
- graph structure
- information retrieval systems
- retrieval effectiveness
- pseudo relevance feedback
- information retrieval
- graphical models
- language model
- text retrieval
- directed graph
- graph structures
- language modeling
- relevant documents
- relevance feedback
- original query
- query disambiguation
- interactive query expansion
- improving search
- automatic query expansion
- biomedical information retrieval
- document collections
- retrieval model
- named entities
- ad hoc retrieval
- relevance model
- probabilistic model
- active learning
- retrieved documents
- semantic relations
- tree structure
- data mining
- query terms
- document retrieval