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PODS
2007
ACM
107views Database» more  PODS 2007»
16 years 6 months ago
Polynomial time fragments of XPath with variables
Variables are the distinguishing new feature of XPath 2.0 which permits to select n-tuples of nodes in trees. It is known that the Core of XPath 2.0 captures n-ary first-order (FO...
Emmanuel Filiot, Joachim Niehren, Jean-Marc Talbot...
SAC
2010
ACM
16 years 1 months ago
Dynamic optimization of power and performance for virtualized server clusters
In this paper we present an optimization solution for power and performance management in a platform running multiple independent applications. Our approach assumes a virtualized ...
Vinicius Petrucci, Orlando Loques, Daniel Moss&eac...
CIKM
2009
Springer
16 years 1 months ago
On domain similarity and effectiveness of adapting-to-rank
Adapting to rank address the the problem of insufficient domainspecific labeled training data in learning to rank. However, the initial study shows that adaptation is not always...
Keke Chen, Jing Bai, Srihari Reddy, Belle L. Tseng
OOPSLA
2009
Springer
16 years 1 months ago
Supporting model evolution through demonstration-based model transformation
Model evolution is often supported by writing model transformation rules in specialized languages. This presents challenges to those who are unfamiliar with model transformation l...
Yu Sun
SIGCOMM
2009
ACM
16 years 1 months ago
OLS: opportunistic localization system for smart phones devices
In this paper, we describe the opportunistic localization, which enables localization services that works seamlessly in heterogeneous environments including indoors as oppose to G...
Martin Klepal, Maarten Weyn, Warsun Najib, Inge By...