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IR
2010
15 years 5 months ago
Gradient descent optimization of smoothed information retrieval metrics
Abstract Most ranking algorithms are based on the optimization of some loss functions, such as the pairwise loss. However, these loss functions are often different from the criter...
Olivier Chapelle, Mingrui Wu
ASPDAC
2010
ACM
139views Hardware» more  ASPDAC 2010»
15 years 4 months ago
Fixed-outline thermal-aware 3D floorplanning
In this paper, we present a novel algorithm for 3D floorplanning with fixed outline constraints and a particular emphasis on thermal awareness. A computationally efficient thermal ...
Linfu Xiao, Subarna Sinha, Jingyu Xu, Evangeline F...
KDD
2010
ACM
265views Data Mining» more  KDD 2010»
15 years 8 months ago
Scalable influence maximization for prevalent viral marketing in large-scale social networks
Influence maximization, defined by Kempe, Kleinberg, and Tardos (2003), is the problem of finding a small set of seed nodes in a social network that maximizes the spread of influe...
Wei Chen, Chi Wang, Yajun Wang
APPROX
2010
Springer
168views Algorithms» more  APPROX 2010»
15 years 8 months ago
Differential Privacy and the Fat-Shattering Dimension of Linear Queries
In this paper, we consider the task of answering linear queries under the constraint of differential privacy. This is a general and well-studied class of queries that captures oth...
Aaron Roth
ALENEX
2010
161views Algorithms» more  ALENEX 2010»
15 years 8 months ago
Route Planning with Flexible Objective Functions
We present the first fast route planning algorithm that answers shortest paths queries for a customizable linear combination of two different metrics, e. g. travel time and energy...
Robert Geisberger, Moritz Kobitzsch, Peter Sanders