350 search results - page 42 / 70 » An optimization framework for map-reduce queries |
DMSN
2005
ACM
15 years 2 months ago
2005
ACM
In this paper, we introduce a rotating interrogation technique for sensor networks called Whirlpool. Whirlpool provides opportunities to optimize data delivery in time-critical mo...
107
Voted
BTW
2003
Springer
15 years 5 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
208
Voted
CGF
2011
14 years 7 months ago
2011
This paper presents a parallel framework for simulating fluids with the Smoothed Particle Hydrodynamics (SPH) method. For low computational costs per simulation step, efficient ...
191
Voted
ICDE
2006
IEEE
16 years 1 months ago
2006
IEEE
The high quality, structured data from Web structured sources is invaluable for many applications. Hidden Web databases are not directly crawlable by Web search engines and are on...
189
click to vote
VLDB
2007
ACM
16 years 22 days ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...