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» Homotopy in Digital Spaces
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PODS
2008
ACM
165views Database» more  PODS 2008»
14 years 8 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
ICDE
2010
IEEE
248views Database» more  ICDE 2010»
14 years 8 months ago
FPGA Acceleration for the Frequent Item Problem
Abstract-- Field-programmable gate arrays (FPGAs) can provide performance advantages with a lower resource consumption (e.g., energy) than conventional CPUs. In this paper, we show...
Gustavo Alonso, Jens Teubner, René Mül...
MOBISYS
2004
ACM
14 years 8 months ago
Implementing Software on Resource-Constrained Mobile Sensors: Experiences with Impala and ZebraNet
ZebraNet is a mobile, wireless sensor network in which nodes move throughout an environment working to gather and process information about their surroundings [10]. As in many sen...
Ting Liu, Christopher M. Sadler, Pei Zhang, Margar...
MOBIHOC
2008
ACM
14 years 8 months ago
The networking shape of vehicular mobility
Mobility is the distinguishing feature of vehicular networks, affecting the evolution of network connectivity over space and time in a unique way. Connectivity dynamics, in turn, ...
Marco Fiore, Jérôme Härri
MOBIHOC
2008
ACM
14 years 8 months ago
Complexity in wireless scheduling: impact and tradeoffs
It has been an important research topic since 1992 to maximize stability region in constrained queueing systems, which includes the study of scheduling over wireless ad hoc networ...
Yung Yi, Alexandre Proutiere, Mung Chiang