Optmized ontology-driven query expansion using map-reduce framework to facilitate federated queries.
Neda AlipanahLatifur KhanBhavani M. ThuraisinghamPublished in: Comput. Syst. Sci. Eng. (2012)
Keyphrases
- query expansion
- map reduce
- ontology driven
- relevance model
- query terms
- original query
- automatic query expansion
- language model
- cloud computing
- information retrieval
- efficient implementation
- open source
- retrieval effectiveness
- relevance feedback
- pseudo relevance feedback
- information retrieval systems
- query processing
- case study
- database
- query language
- parallel computation
- user queries
- retrieval model
- community detection
- parallel computing
- efficient processing
- probabilistic model