Cohort Discovery Query Optimization via Computable Controlled Vocabulary Versioning.
Todd A. FerrisTanya PodchiyskaPublished in: MedInfo (2015)
Keyphrases
- query optimization
- controlled vocabulary
- database systems
- cost model
- query processing
- multidatabase systems
- cost estimation
- query execution
- xml data
- metadata
- query optimizers
- cardinality estimation
- data mining
- free text
- string matching
- continuous queries
- semantic technologies
- query optimizer
- automatic indexing
- query plan
- knowledge discovery
- artificial intelligence
- database
- gene ontology
- selectivity estimation
- machine learning