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PVLDB
2008
137views more  PVLDB 2008»
15 years 5 months ago
Flashing up the storage layer
In the near future, commodity hardware is expected to incorporate both flash and magnetic disks. In this paper we study how the storage layer of a database system can benefit from...
Ioannis Koltsidas, Stratis Viglas
CORR
2008
Springer
130views Education» more  CORR 2008»
15 years 4 months ago
Spectrum Allocation in Two-Tier Networks
Abstract-- Two-tier networks, comprising a conventional cellular network overlaid with shorter range hotspots (e.g. femtocells, distributed antennas, or wired relays), offer an eco...
Vikram Chandrasekhar, Jeffrey G. Andrews
ICRA
2010
IEEE
133views Robotics» more  ICRA 2010»
15 years 4 months ago
Variable resolution decomposition for robotic navigation under a POMDP framework
— Partially Observable Markov Decision Processes (POMDPs) offer a powerful mathematical framework for making optimal action choices in noisy and/or uncertain environments, in par...
Robert Kaplow, Amin Atrash, Joelle Pineau
INFOCOM
2010
IEEE
15 years 4 months ago
Queuing Analysis in Multichannel Cognitive Spectrum Access: A Large Deviation Approach
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
Amine Laourine, Shiyao Chen, Lang Tong
IOR
2010
93views more  IOR 2010»
15 years 4 months ago
Equilibrium Capacity Expansion Under Stochastic Demand Growth
In critical energy infrastructure sectors (e.g. electric power generation, natural gas transportation, oil refining capacity) maintaining certain level of excess capacity is soci...
Alfredo Garcia, Zhijiang Shen