Estimating Aggregate Join Queries over Data Streams Using Discrete Cosine Transform.
Zhewei JiangCheng LuoWen-Chi HouFeng YanQiang ZhuPublished in: DEXA (2006)
Keyphrases
- discrete cosine transform
- join queries
- data streams
- image compression
- query optimization
- query processing
- dct coefficients
- parallel processing
- conjunctive queries
- sliding window
- complex queries
- spatial databases
- transform domain
- continuous queries
- query plan
- query execution
- r tree
- concept drift
- filter bank
- data distribution
- streaming data
- stream data
- efficient processing
- cost model
- join algorithms
- special case
- image processing
- index structure
- response time
- stream processing
- nearest neighbor