36 search results - page 3 / 8 » MRShare: Sharing Across Multiple Queries in MapReduce |
CIKM
2008
Springer
13 years 8 months ago
2008
Springer
There is an increasing need for sharing data repositories containing personal information across multiple distributed, possibly untrusted, and private databases. Such data sharing...
PVLDB
2010
13 years 4 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
PODS
2008
ACM
14 years 6 months ago
2008
ACM
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
SIGMOD
2005
ACM
14 years 6 months ago
2005
ACM
Relational DBMS typically execute concurrent queries independently by invoking a set of operator instances for each query. To exploit common data retrievals and computation in con...
IHI
2010
13 years 1 months ago
2010
The rising cost of healthcare is one of the major concerns faced by the nation. One way to lower healthcare costs and provide better quality care to patients is through the effect...