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» Computing a k -Route over Uncertain Geographical Data
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WCNC
2010
IEEE
14 years 21 days ago
Dynamic Control of Data Ferries under Partial Observations
—Controlled mobile helper nodes called data ferries have recently been proposed to bridge communications between disconnected nodes in a delay-tolerant manner. While existing wor...
Chi Harold Liu, Ting He, Kang-won Lee, Kin K. Leun...
CCGRID
2007
IEEE
14 years 3 months ago
Study of Different Replica Placement and Maintenance Strategies in Data Grid
Data replication is an excellent technique to move and cache data close to users. By replication, data access performance can be improved dramatically. One of the challenges in da...
Rashedur M. Rahman, Ken Barker, Reda Alhajj
DSN
2007
IEEE
14 years 3 months ago
How Do Mobile Phones Fail? A Failure Data Analysis of Symbian OS Smart Phones
While the new generation of hand-held devices, e.g., smart phones, support a rich set of applications, growing complexity of the hardware and runtime environment makes the devices...
Marcello Cinque, Domenico Cotroneo, Zbigniew Kalba...
TPDS
2008
136views more  TPDS 2008»
13 years 8 months ago
Data Gathering with Tunable Compression in Sensor Networks
We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
Yang Yu, Bhaskar Krishnamachari, Viktor K. Prasann...
EDBT
2009
ACM
113views Database» more  EDBT 2009»
14 years 3 months ago
Query ranking in probabilistic XML data
Twig queries have been extensively studied as a major fragment of XPATH queries to query XML data. In this paper, we study PXMLRANK query, (Q, k), which is to rank top-k probabili...
Lijun Chang, Jeffrey Xu Yu, Lu Qin