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ICDM
2009
IEEE
147views Data Mining» more  ICDM 2009»
15 years 2 months ago
Greedy Optimization for Contiguity-Constrained Hierarchical Clustering
The discovery and construction of inherent regions in large spatial datasets is an important task for many research domains such as climate zoning, eco-region analysis, public heal...
Diansheng Guo
SIGMOD
2005
ACM
133views Database» more  SIGMOD 2005»
16 years 4 months ago
Constrained Optimalities in Query Personalization
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
Georgia Koutrika, Yannis E. Ioannidis
GLOBECOM
2009
IEEE
15 years 11 months ago
Optimal Resource Allocation in the OFDMA Downlink with Feedback of Buffer State Information
—With the advent of new applications, one of the primary applications supported in downlink cellular systems is streaming video. QoS for streaming video entails data transmission...
Rajiv Agarwal, John M. Cioffi
P2P
2009
IEEE
121views Communications» more  P2P 2009»
15 years 11 months ago
Exploring the Optimal Chunk Selection Policy for Data-Driven P2P Streaming Systems
Data-driven P2P streaming systems can potentially provide good playback rate to a large number of viewers. One important design problem in such P2P systems is to determine the opt...
Bridge Q. Zhao, John Chi-Shing Lui, Dah-Ming Chiu
CDC
2008
IEEE
124views Control Systems» more  CDC 2008»
15 years 11 months ago
A proximal center-based decomposition method for multi-agent convex optimization
— In this paper we develop a new dual decomposition method for optimizing a sum of convex objective functions corresponding to multiple agents but with coupled constraints. In ou...
Ion Necoara, Johan A. K. Suykens