Sciweavers

2468 search results - page 201 / 494
» Aggregation operators 2003
Sort
View
CIDR
2007
165views Algorithms» more  CIDR 2007»
13 years 11 months ago
A Black-Box Approach to Query Cardinality Estimation
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...
Tanu Malik, Randal C. Burns, Nitesh V. Chawla
NSDI
2010
13 years 11 months ago
MapReduce Online
MapReduce is a popular framework for data-intensive distributed computing of batch jobs. To simplify fault tolerance, many implementations of MapReduce materialize the entire outp...
Tyson Condie, Neil Conway, Peter Alvaro, Joseph M....
ICWN
2008
13 years 11 months ago
Coverage Efficient Clustering Method Based on Time Delay for Wireless Sensor Networks
Energy efficient operations are essential to increase the lifetime of wireless sensor network. A clustering-based protocol is one approach that reduces energy by a data aggregation...
Ji Gong, Hyuntae Kim, Gihwan Cho
ICWS
2008
IEEE
13 years 11 months ago
QoS-Driven Selection of Web Services for Transactional Composition
Web services composition has been gaining interest over the last years as it leverages the capabilities to offer complex operations resulting from the aggregation of Web services ...
Joyce El Haddad, Maude Manouvrier, Guillermo Ramir...
AAAI
1998
13 years 11 months ago
Qualitative Analysis of Distributed Physical Systems with Applications to Control Synthesis
Manyimportant physical phenomena,such as temperature distribution, air flow, and acoustic waves,are describedas continuous,distributed parameterfields. Analyzingandcontrolling the...
Christopher Bailey-Kellogg, Feng Zhao