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GLOBECOM
2008
IEEE
14 years 3 months ago
Distributed Base Station Cooperation via Block-Diagonalization and Dual-Decomposition
Abstract—It has been recently shown that base station cooperation may yield great capacity improvement in downlink multiple antenna cellular networks. However, the proposed solut...
Yosia Hadisusanto, Lars Thiele, Volker Jungnickel
NIPS
2003
13 years 10 months ago
Max-Margin Markov Networks
In typical classification tasks, we seek a function which assigns a label to a single object. Kernel-based approaches, such as support vector machines (SVMs), which maximize the ...
Benjamin Taskar, Carlos Guestrin, Daphne Koller
ICAPR
2009
Springer
14 years 3 months ago
Hierarchical Local Maps for Robust Approximate Nearest Neighbor Computation
In this paper, we propose a novel method for fast nearest neighbors retrieval in non-Euclidean and non-metric spaces. We organize the data into a hierarchical fashion that preserv...
Pratyush Bhatt, Anoop M. Namboodiri
DEXA
2007
Springer
91views Database» more  DEXA 2007»
14 years 3 months ago
An Evaluation of a Cluster-Based Architecture for Peer-to-Peer Information Retrieval
Abstract. In this paper we provide a full-scale evaluation of a cluster-based architecture for P2P IR, focusing on retrieval effectiveness. We observe that there is a significant ...
Iraklis A. Klampanos, Joemon M. Jose
FOCS
2006
IEEE
14 years 3 months ago
On the Optimality of the Dimensionality Reduction Method
We investigate the optimality of (1+ )-approximation algorithms obtained via the dimensionality reduction method. We show that: • Any data structure for the (1 + )-approximate n...
Alexandr Andoni, Piotr Indyk, Mihai Patrascu