منابع مشابه
Planes, trains and automobiles - autonomy for the modern robot
We are concerned with enabling truly large scale autonomous navigation in typical human environments. To this end we describe the acquisition and modeling of large urban spaces from data that reflects human sensory input. Over 200GB of image and inertial data are captured using head-mounted stereo cameras. This data is processed into a relative map covering 121 km of Southern England. We point ...
متن کاملCase Studies in Trajectory Optimization: Trains, Planes, and Other Pastimes
This is the first in a series of papers presenting case studies in modern large-scale constrained optimization, the purpose of which is to illustrate how recent advances in algorithms and modeling languages have made it easy to solve difficult optimization problems using off-the-shelf software. In this first paper, we consider four trajectory optimization problems: (a) how to operate a train ef...
متن کاملPlanes, Trains, and Co-Opetition: Evidence from China∗
The roll-out of the high speed train (HST) in China during the past decade o ers travelers a realistic choice of rail versus air on overlapping routes. While the HST competes for tra c it also feeds tra c to the non-overlapping air routes that are connected to the HST network. This paper analyzes the impact of HST roll-out on air carriers' route network decisions. Using a unique hand-collected ...
متن کاملFormal Methods in the Wild: Trains, Planes, & Automobile
Why is it that carefully researched and well-formulated theoretical and methodological constructs don’t make their way into industrial applications? This keynote speech takes a look at my personal experiences in both the aviation and automotive fields to suggest what can be done about it. I will first try to explain why engineers (and even industry scientists) tend not to use the kind of method...
متن کاملFast trains, slow boats, and the ancestry of the Polynesian islanders.
The question of the origins of the Polynesians has, for over 200 years, been the subject of adventure science. Since Captain Cook's first speculations on these isolated Pacific islanders, their language affiliations have been seen as an essential clue to the solution. The geographic and numeric centre of gravity of the Austronesian language family is in island Southeast Asia, which was therefor...
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ژورنال
عنوان ژورنال: BMJ Supportive & Palliative Care
سال: 2011
ISSN: 2045-435X,2045-4368
DOI: 10.1136/bmjspcare-2011-000105.17