Ontology-Driven Query Expansion Using Map/Reduce Framework to Facilitate Federated Queries.
Neda AlipanahPallabi ParveenLatifur KhanBhavani M. ThuraisinghamPublished in: ICWS (2011)
Keyphrases
- query expansion
- map reduce
- ontology driven
- relevance model
- automatic query expansion
- query terms
- original query
- retrieval effectiveness
- language model
- information retrieval
- cloud computing
- information retrieval systems
- general purpose
- relevant documents
- open source
- pseudo relevance feedback
- efficient implementation
- query translation
- parallel computation
- web search engines
- relevance feedback
- data sources
- join operations
- query processing
- search engine
- database