350 search results - page 54 / 70 » An optimization framework for map-reduce queries |
SIGMOD
1999
ACM
15 years 4 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
116
Voted
MOBIDE
2009
ACM
15 years 7 months ago
2009
ACM
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
103
Voted
CIKM
2006
Springer
15 years 4 months ago
2006
Springer
By providing an integrated and optimized support for user-defined aggregates (UDAs), data stream management systems (DSMS) can achieve superior power and generality while preservi...
117
Voted
KDD
2008
ACM
16 years 28 days ago
2008
ACM
Learning to rank from relevance judgment is an active research area. Itemwise score regression, pairwise preference satisfaction, and listwise structured learning are the major te...
125
Voted
SIGIR
1999
ACM
15 years 4 months ago
1999
ACM
The fast growth of multimedia information in image and video databases has triggered research on efficient retrieval methods. This paper deals with structural queries, a type of c...