CDB: Optimizing Queries with Crowd-Based Selections and Joins.
Guoliang LiChengliang ChaiJu FanXueping WengJian LiYudian ZhengYuanbing LiXiang YuXiaohang ZhangHaitao YuanPublished in: SIGMOD Conference (2017)
Keyphrases
- query evaluation
- query processing
- join queries
- query language
- range queries
- response time
- query optimization
- complex queries
- database
- efficient processing
- queries involving
- user queries
- answering queries
- query plan
- recursive queries
- query formulation
- set valued attributes
- join algorithms
- query logs
- web search engines
- database queries
- cost model
- aggregate queries
- map reduce
- query expansion
- aggregate functions
- search engine
- spatial join
- conjunctive queries
- relational queries
- relational databases
- join operator