350 search results - page 70 / 70 » An optimization framework for map-reduce queries |
VLDB
2004
ACM
13 years 10 months ago
2004
ACM
Cost-based XML query optimization calls for accurate estimation of the selectivity of path expressions. Some other interactive and internet applications can also benefit from suc...
XSYM
2004
Springer
13 years 10 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
SAC
2000
ACM
13 years 9 months ago
2000
ACM
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
TKDE
2002
13 years 4 months ago
2002
Our goal with this paper is to contribute a common theoretical framework for studying the performance of disk-storage devices. Understanding the performance behavior of these devi...
ICDE
2011
IEEE
12 years 8 months ago
2011
IEEE
— In a wireless sensor network (WSN), each sensor monitors environmental parameters, and reports its readings to a base station, possibly through other nodes. A sensor works in c...