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DASFAA
2011
IEEE
231views Database» more  DASFAA 2011»
13 years 16 days ago
Querying Moving Objects with Uncertainty in Spatio-Temporal Databases
Spatio-temporal uncertainty is a special feature of moving objects due to the inability of precisely capturing or predicting their continuously changing locations. Indeterminate lo...
Hechen Liu, Markus Schneider
ECIR
2011
Springer
13 years 15 days ago
Back to the Roots: Mean-Variance Analysis of Relevance Estimations
Recently, mean-variance analysis has been proposed as a novel paradigm to model document ranking in Information Retrieval. The main merit of this approach is that it diversifies t...
Guido Zuccon, Leif Azzopardi, Keith van Rijsbergen
GECCO
2011
Springer
276views Optimization» more  GECCO 2011»
13 years 14 days ago
Evolution of reward functions for reinforcement learning
The reward functions that drive reinforcement learning systems are generally derived directly from the descriptions of the problems that the systems are being used to solve. In so...
Scott Niekum, Lee Spector, Andrew G. Barto
PERCOM
2011
ACM
12 years 12 months ago
Ubiquitous cloud: Managing service resources for adaptive ubiquitous computing
Abstract—The adaptive ubiquitous services, which dynamically adapt behaviors to requirements and contexts, are one of the major challenges in the ubiquitous computing. To facilit...
Koichi Egami, Shinsuke Matsumoto, Masahide Nakamur...
ICCV
2011
IEEE
12 years 9 months ago
Detailed Reconstruction of 3D Plant Root Shape
We study the 3D reconstruction of plant roots from multiple 2D images. To meet the challenge caused by the delicate nature of thin branches, we make three innovations to cope with...
Ying Zheng, Steve Gu, Herbert Edelsbrunner, Carlo ...