Exploiting social relations for query expansion and result ranking.
Matthias BenderTom CreceliusMouna KacimiSebastian MichelThomas NeumannJosiane Xavier ParreiraRalf SchenkelGerhard WeikumPublished in: ICDE Workshops (2008)
Keyphrases
- query expansion
- social relations
- biomedical information retrieval
- ranking scheme
- automatic query expansion
- document ranking
- ranked retrieval
- information retrieval systems
- retrieved documents
- retrieval effectiveness
- query specific
- information retrieval
- text retrieval
- language model
- pseudo relevance feedback
- language modeling
- relevance feedback
- pseudo feedback
- relevant documents
- original query
- ad hoc retrieval
- online social networks
- relevance model
- query terms
- ranking algorithm
- retrieval model
- result set
- social context
- web search
- social networks
- social influence
- document retrieval
- test collection
- machine learning
- learning to rank
- interactive query expansion
- probabilistic retrieval model