A gossip-based approach for Internet-scale cardinality estimation of XPath queries over distributed semistructured data.
Vasil SlavovPraveen R. RaoPublished in: VLDB J. (2014)
Keyphrases
- semistructured data
- xpath queries
- cardinality estimation
- heterogeneous data
- xml data
- query optimization
- data model
- xml documents
- query language
- path expressions
- semi structured
- structured data
- regular expressions
- query evaluation
- xml databases
- query optimizer
- database systems
- object oriented
- data integration
- raw data
- databases
- cost model
- query execution
- xml queries
- database
- relational databases
- np complete
- database management systems
- database operations
- data sets