The threshold join algorithm for top-k queries in distributed sensor networks.
Demetrios Zeinalipour-YaztiZografoula VagenaDimitrios GunopulosVana KalogerakiVassilis J. TsotrasMichail VlachosNick KoudasDivesh SrivastavaPublished in: DMSN (2005)
Keyphrases
- join algorithms
- query processing
- distributed sensor networks
- efficient processing
- query result
- join queries
- join operations
- similarity join
- cost model
- aggregation queries
- index structure
- materialized views
- query evaluation
- main memory
- query optimization
- user queries
- join operator
- similarity search
- hash join
- range queries
- twig queries
- database systems
- r tree
- xml databases
- result set
- aggregate queries
- relational database systems
- b tree
- xml queries
- data management
- xml data
- database queries
- np hard
- response time