A technique for parallel query optimization using MapReduce framework and a semantic-based clustering method.
Elham AzhirNima Jafari NavimipourMehdi HosseinzadehArash SharifiAso Mohammad DarweshPublished in: PeerJ Comput. Sci. (2021)
Keyphrases
- clustering method
- query optimization
- parallel query processing
- database systems
- cost model
- mapreduce framework
- query processing
- clustering algorithm
- query execution
- similarity measure
- cardinality estimation
- cloud computing
- hierarchical clustering
- cluster analysis
- parallel processing
- database
- query optimizer
- xml data
- selectivity estimation
- k means
- query plan
- large scale data sets
- databases