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KDD
2007
ACM
153views Data Mining» more  KDD 2007»
15 years 11 months ago
Exploiting duality in summarization with deterministic guarantees
Summarization is an important task in data mining. A major challenge over the past years has been the efficient construction of fixed-space synopses that provide a deterministic q...
Panagiotis Karras, Dimitris Sacharidis, Nikos Mamo...
PPSN
2004
Springer
15 years 4 months ago
Constrained Evolutionary Optimization by Approximate Ranking and Surrogate Models
Abstract. The paper describes an evolutionary algorithm for the general nonlinear programming problem using a surrogate model. Surrogate models are used in optimization when model ...
Thomas Philip Runarsson
IPPS
2000
IEEE
15 years 3 months ago
Heuristic Solutions for a Mapping Problem in a TV-Anytime Server Network
This paper presents a novel broadband multimedia service called TV-Anytime. The basic idea of this service is to store broadcast media assets onto media server systems and allow c...
Xiaobo Zhou, Reinhard Lüling, Li Xie
ICASSP
2008
IEEE
15 years 5 months ago
Utility-based power control for peer-to-peer cognitive radio networks with heterogeneous QoS constraints
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
Nikolaos Gatsis, Antonio G. Marqués, Georgi...
RTSS
2007
IEEE
15 years 5 months ago
Optimal Discrete Rate Adaptation for Distributed Real-Time Systems
Many distributed real-time systems face the challenge of dynamically maximizing system utility and meeting stringent resource constraints in response to fluctuations in system wo...
Yingming Chen, Chenyang Lu, Xenofon D. Koutsoukos