Mixture model with multiple centralized retrieval algorithms for result merging in federated search.
Dzung HongLuo SiPublished in: SIGIR (2012)
Keyphrases
- federated search
- result merging
- mixture model
- distributed information retrieval
- resource selection
- web search
- search engine
- probabilistic model
- document ranking
- em algorithm
- query expansion
- rank aggregation
- model selection
- maximum likelihood
- language model
- information retrieval systems
- information retrieval
- relevant documents
- ranked list
- learning algorithm
- search result
- web documents
- selection algorithm
- retrieval model
- machine learning
- digital libraries