Allen Institute for AI
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CORD-19: The COVID-19 Open Research Dataset
The mechanics of dataset construction are described, highlighting challenges and key design decisions, an overview of how CORD-19 has been used, and several shared tasks built around the dataset are described.
S2ORC: The Semantic Scholar Open Research Corpus
In S2ORC, a large corpus of 81.1M English-language academic papers spanning many academic disciplines is introduced, which is expected to facilitate research and development of tools and tasks for text mining over academic text.
Construction of the Literature Graph in Semantic Scholar
This paper reduces literature graph construction into familiar NLP tasks, point out research challenges due to differences from standard formulations of these tasks, and report empirical results for each task.
TURBULENT CASCADES IN ANISOTROPIC MAGNETOHYDRODYNAMICS
The cascade behavior of turbulent magnetohydrodynamics with a strong background magnetic field is examined and compared with direct numerical solutions at high Reynolds number. Resonant interactions…
Magnetic Field Growth and Saturation in Plasmas with Large Magnetic Prandtl Number. I. The Two-dimensional Case
In turbulent plasmas, velocities at scales smaller than a scale lD are strongly damped by viscosity, ν, and magnetic fields below a scale lR are strongly dissipated by resistivity, η. In galaxies and…
GORC: A large contextual citation graph of academic papers
- Kyle Lo, Lucy Lu Wang, Mark Neumann, Rodney Michael Kinney, Daniel S. Weld
- Computer ScienceArXiv
- 7 November 2019
We introduce the Semantic Scholar Graph of References in Context (GORC),1 a large contextual citation graph of 81.1M academic publications, including parsed full text for 8.1M open access papers,…
Reduced dynamical equations for the high-latitude thermosphere : Ion drag balance
Although highly variable on small scales, the middle thermosphere shows evidence of slow-timescale mesoscale dynamics. A reduced set of equations is derived by asymptotic scale analysis. The…
Stability of magnetic vortices with flow in anisotropic magnetohydrodynamics
The eigenvalue problem for linear stability of concentric radial profiles of current and vorticity in reduced forms of three‐dimensional magnetohydrodynamics is solved numerically. Arbitrary relative…
Magnetic field growth and saturation in high-Prandtl-number plasmas