Results 81 to 90 of about 21,690,408 (274)

Playing in the Dark: Invisible Chess as a Laboratory for Strategic AI

open access: yesAI &Innovation, EarlyView.
This paper shows that strategic AI evaluated on perfect‐information benchmarks can be brittle in real adversarial settings. By using invisible chess as a benchmark for hidden state and deception, it argues for stricter testing, human oversight, and more cautious governance of high‐stakes AI systems.
Paolo Ciancarini
wiley   +1 more source

Improving access to new technologies: An experiment with Kenyan input sellers

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki   +6 more
wiley   +1 more source

Il posizionamento satellitare compie trent’anni: lo stato dell’arte del GNSS

open access: yesGEOmedia, 2008
Satellite Positioning 30th anniversary: GNSS state of the art This year marks the 30th anniversary of the Satellite Positioning system. In 1978 the United States launched the first ever experimental satellite which formed the basis for the first Global ...
Fulvio Bernardini
doaj   +2 more sources

Robust GPS/INS/DVL Navigation and Positioning Method Using Adaptive Federated Strong Tracking Filter Based on Weighted Least Square Principle

open access: yesIEEE Access, 2019
Multi-sensor integrated positioning technique that combines complementary features of the global positioning system (GPS) and inertial navigation system (INS) for navigation in challenging urban environments has been a hot research area.
Hailiang Xiong   +3 more
doaj   +1 more source

A relativistic positioning system exploiting pulsating sources for navigation across the Solar System and beyond [PDF]

open access: yes, 2011
We introduce an operational approach to the use of pulsating sources, located at spatial infinity, for defining a relativistic positioning and navigation system, based on the use of null four-vectors in a flatMinkowskian spacetime.
Capolongo, Emiliano   +2 more
core  

High‐elevation endemic plants predicted to lose habitat from changing climate in Washington State

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise High‐elevation plants face unique challenges from potential climate change impacts that will likely require upslope migration into increasingly smaller suitable habitat. This situation is particularly acute for endemic species that by definition occupy small geographic ranges.
Nicholas L. Gjording   +4 more
wiley   +1 more source

Transformation of GPS measurements and post transformation arrangement of the coordinates [PDF]

open access: yesActa Montanistica Slovaca, 2000
The satellite system NAVSTAR GPS gives positions in the WGS 84. This represents a geocentric equatorial system suitable for the global positioning. In such a form, it is not fitted to the geodetical positioning in national systems.
Hankovský Juraj
doaj  

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