149 search results - page 3 / 30 » Optimization of Multi-Way Join Queries for Parallel Executio... |
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
PIVOT and UNPIVOT, two operators on tabular data that exchange rows and columns, enable data transformations useful in data modeling, data analysis, and data presentation. They ca...
DEBU
2000
13 years 9 months ago
2000
Wide-area distribution raises significant performance problems for traditional query processing techniques as data access becomes less predictable due to link congestion, load imb...
SSD
2007
Springer
14 years 3 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
VLDB
1989
ACM
14 years 1 months ago
1989
ACM
Conventional approachesto execution of database queries on general purpose multiprocessorsattempt to maximizesystemthroughputusinginter-queryparallelism with a fixed numberof proc...
SSDBM
2009
IEEE
14 years 4 months ago
2009
IEEE
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...