Results 31 to 40 of about 142,491 (169)

Probing BERT in Hyperbolic Spaces

open access: yes, 2021
Recently, a variety of probing tasks are proposed to discover linguistic properties learned in contextualized word embeddings. Many of these works implicitly assume these embeddings lay in certain metric spaces, typically the Euclidean space. This work considers a family of geometrically special spaces, the hyperbolic spaces, that exhibit better ...
Chen, Boli   +6 more
openaire   +2 more sources

PROBING RELATIVITY USING SPACE-BASED EXPERIMENTS [PDF]

open access: yesInternational Journal of Modern Physics D, 2007
An overview of space tests searching for small deviations from special relativity arising at the Planck scale is given. Potential high-sensitivity space-based experiments include ones with atomic clocks, masers, and electromagnetic cavities. We show that a significant portion of the coefficient space in the Standard Model extension, a framework that ...
openaire   +2 more sources

Trajectory Design of Potentially Hazardous Asteroid Exploration with Reusable Probes from Cislunar Space

open access: yesAerospace
This article presents a trajectory design problem concerning the exploration of potentially hazardous near-Earth asteroids (PHAs) with reusable probes from cislunar space. A total of 20 probes, making round trips departing from and returning to a service
Chao Peng, Renyong Zhang, Yang Gao
doaj   +1 more source

Space Balls Revisited: Stereological Estimates of Length With Virtual Isotropic Surface Probes

open access: yesFrontiers in Neuroanatomy, 2018
The space ball probe was fully described in the literature 15 years ago by Mouton et al. (2002). Since then, it has been used in a number of studies in the nervous system that focus on axon, dendrite, and capillary length.
Mark J. West
doaj   +1 more source

Jet Physics at the LHC

open access: yesEPJ Web of Conferences, 2014
The production and propagation of high pT probes can explore the mechanisms of parton energy loss, deconfinement in the medium, and shed light on the relevant physical mechanisms and the microscopic properties of the medium formed in the heavy-ion ...
Di Nezza Pasquale
doaj   +1 more source

Determination of the Magnetic Intermediate Permeability of Special Materials Based on FEM-Simulation and Hall-Sensor Measurement

open access: yesMagnetism, 2023
This document presents the process flow and the experimental conditions for calculating the static magnetic intermediate permeability of a specimen with a dedicated geometrical contour and surface for simulation parameter of metal detection systems.
Frank Denk, Tobias Hofbauer
doaj   +1 more source

Celestial Navigation Methods for Space Explorers

open access: yesMeasurement + Control, 2008
With the development of the space exploration missions, a practical and reliable capability for autonomous navigation is urgently needed to reduce operation cost, to improve operational efficiency and to increase mission safety by avoiding dangerous ...
Fang Jiancheng, Ning Xiaolin
doaj   +1 more source

Solar Wind Density and Core Temperature Derived from the PSP Quasi-thermal Noise Measurements

open access: yesThe Astrophysical Journal
Quasi-thermal noise (QTN) spectroscopy is a valuable method to deduce important parameters in space plasma, such as plasma density and temperature, especially when direct particle measurements are not available.
Xianming Zheng   +8 more
doaj   +1 more source

Synthetic Probes: A Qualitative Experiment in Latent Space Exploration

open access: yesSociologica
This essay outlines a methodological approach for the qualitative study of generative artificial intelligence models. After introducing the epistemological challenges faced by users of generative models, I argue that these black-boxed systems can be ...
Gabriele de Seta
doaj   +1 more source

The Vulcan Mission to Io: Lessons Learned during the 2022 JPL Planetary Science Summer School

open access: yesThe Planetary Science Journal
A mission to Jupiter's moon Io, the most volcanically active body in the solar system, was suggested as a priority for the New Frontiers program in the 2013 Planetary Science Decadal Survey.
K. G. Hanley   +20 more
doaj   +1 more source

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