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» A theoretical analysis of the HIFF problem
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IR
2010
14 years 8 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
JELIA
2010
Springer
14 years 8 months ago
A Normal Form for Linear Temporal Equilibrium Logic
In previous work, the so-called Temporal Equilibrium Logic (TEL) was introduced. This formalism provides an extension of the Answer Set semantics for logic programs to arbirary the...
Pedro Cabalar
ICRA
2010
IEEE
158views Robotics» more  ICRA 2010»
14 years 7 months ago
Towards optimally efficient field estimation with threshold-based pruning in real robotic sensor networks
Abstract-- The efficiency of distributed sensor networks depends on an optimal trade-off between the usage of resources and data quality. The work in this paper addresses the probl...
Amanda Prorok, Christopher M. Cianci, Alcherio Mar...
ICRA
2009
IEEE
142views Robotics» more  ICRA 2009»
14 years 7 months ago
Making networked robots connectivity-aware
Maintaining the network connectivity in mobile Multi-Robot Systems (MRSs) is a key issue in many robotic applications. In our view, the solution to this problem consists of two mai...
Van Tuan Le, Noury Bouraqadi, Serge Stinckwich, Vi...
SIAMSC
2011
126views more  SIAMSC 2011»
14 years 4 months ago
Fast Structured AMG Preconditioning for the Bidomain Model in Electrocardiology
The electrical activity of the heart may be modeled by a non-linear system of partial differential equations known as the bidomain model. Due to the rapid variations in the electr...
Micol Pennacchio, Valeria Simoncini