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FOCS
2008
IEEE
14 years 4 months ago
Constant-Time Approximation Algorithms via Local Improvements
We present a technique for transforming classical approximation algorithms into constant-time algorithms that approximate the size of the optimal solution. Our technique is applic...
Huy N. Nguyen, Krzysztof Onak
PIMRC
2008
IEEE
14 years 4 months ago
Spectrum sharing in multiple-antenna channels: A distributed cooperative game theoretic approach
ACT We consider a cognitive radio scenario in which two (or more) operators providing services in the same area wish to share the same licensed band of spectrum. This scenario diff...
Zuleita Ka Ming Ho, David Gesbert
AIMSA
2008
Springer
14 years 4 months ago
Solving the Course Timetabling Problem with a Hybrid Heuristic Algorithm
Abstract. The problem of curriculum-based course timetabling is studied in this work. In addition to formally defining the problem, we present a hybrid solution algorithm (Adaptiv...
Zhipeng Lü, Jin-Kao Hao
EDOC
2007
IEEE
14 years 4 months ago
An Analysis Framework for Mobile Workforce Automation
In this paper we introduce an analysis framework for mobile workforce automation. The framework is based on the findings from earlier research as well as on an analysis of 27 rec...
Volker Gruhn, André Köhler
MOBIQUITOUS
2007
IEEE
14 years 4 months ago
Combining GPS and GSM Cell-ID positioning for Proactive Location-based Services
—Mobile terminals with built-in GPS receivers are becoming more and more available, thus the public deployment of location-based services (LBS) becomes feasible. Upcoming LBS are...
Nico Deblauwe, Peter Ruppel