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Aaron Clauset
University of Colorado Boulder
124Publications
30H-index
12.6kCitations
Publications 124
Newest
Published on Mar 4, 2019in Nature Communications11.88
Anna D. Broido1
Estimated H-index: 1
(CU: University of Colorado Boulder),
Aaron Clauset30
Estimated H-index: 30
(CU: University of Colorado Boulder)
Real-world networks are often claimed to be scale free, meaning that the fraction of nodes with degree k follows a power law k−α, a pattern with broad implications for the structure and dynamics of complex systems. However, the universality of scale-free networks remains controversial. Here, we organize different definitions of scale-free networks and construct a severe test of their empirical prevalence using state-of-the-art statistical tools applied to nearly 1000 social, biological, technolo...
Published on Sep 17, 2019in arXiv: Machine Learning
Amir Ghasemian2
Estimated H-index: 2
,
Homa Hosseinmardi6
Estimated H-index: 6
+ 2 AuthorsAaron Clauset30
Estimated H-index: 30
Most real-world networks are incompletely observed. Algorithms that can accurately predict which links are missing can dramatically speedup the collection of network data and improve the validity of network models. Many algorithms now exist for predicting missing links, given a partially observed network, but it has remained unknown whether a single best predictor exists, how link predictability varies across methods and networks from different domains, and how close to optimality current method...
Published on Sep 13, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
Social Sciences Proponents of gene drive technology argue that it could revolutionize pest management, but how will it be received by the public? Jones et al. used a representative sample to assess public attitudes in the United States toward genetically modified agricultural insect pests in general and gene drives specifically. When informed of the potential risks and benefits of gene drives, respondent support or opposition depended on whether the spread of a gene drive could be carefully limi...
Published on Sep 6, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
Research Methods Video data provides insights into the social dynamics of wild animals, but processing large video datasets can be expensive and labor intensive. Using a deep convolutional neural network, Schofield et al. developed an automated pipeline to detect, track, and recognize individual animals from video in the wild. They demonstrate and evaluate this approach using a multiyear chimpanzee dataset. This system allowed researchers to monitor individual animals and automatically extract b...
Published on Jul 19, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
Social Sciences In a world of increasing economic inequality, how does the public perceive the causes and fairness of wealth disparity? To measure the effect of unequal outcomes on individual perceptions of fairness and inequality, Molina et al. devised a card game that separates the equality of opportunity from game outcomes, player skill, and luck. In this setting, players who were dealt a great hand were more likely to (incorrectly) attribute their winnings to their own talent rather than to ...
Published on Jun 14, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
,
Kollen Post1
Estimated H-index: 1
Cannabis The cultivation of cannabis extends back into distant prehistory. During excavations at a cemetery on the Pamir Plateau on the border of China and Tajikistan, Ren et al. found cannabinoid oils in wooden braziers. The finding is consistent with psychoactive cannabis use in burial rituals as early as 500 BCE. The cannabis featured high levels of THC (tetrahydrocannabinol)—higher than in wild varieties of the plant. Artifacts recovered from the burials as well as isotopic evidence from hum...
Published on Jun 7, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
,
Kollen Post1
Estimated H-index: 1
Global Warming The current trajectory of global warming is predicted to lead to an increase in global mean temperatures greater than preindustrial levels of 2.6° to 3.1°C by 2100. The Paris Agreement aims to keep that number below 2°C, with recent efforts pushing signatories to ratchet up those ambitions and stay below 1.5°C. Lo et al. assessed data on both climate and heat-related mortality from 15 major U.S. cities. They found that the current Paris Agreement limit should result in substantial...
Samuel F. Way6
Estimated H-index: 6
,
Allison C. Morgan2
Estimated H-index: 2
+ 1 AuthorsAaron Clauset30
Estimated H-index: 30
Faculty at prestigious institutions produce more scientific papers, receive more citations and scholarly awards, and are typically trained at more-prestigious institutions than faculty with less prestigious appointments. This imbalance is often attributed to a meritocratic system that sorts individuals into more-prestigious positions according to their reputation, past achievements, and potential for future scholarly impact. Here, we investigate the determinants of scholarly productivity and mea...
Published on May 17, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
,
Kollen Post1
Estimated H-index: 1
Auditory Neuroscience A key challenge in improving assistive hearing devices is isolating and separating different voices in noisy or crowded settings. This task is especially difficult without prior exposure to the voices of interest and without knowing which voice to amplify. Han et al. used deep attractor networks—a powerful machine-learning technique—to project unfamiliar mixed audio signals into a high-dimensional space to separate signals from independent speakers. Comparing these separate...
Published on Apr 26, 2019in Science41.04
Aaron Clauset30
Estimated H-index: 30
,
Kollen Post1
Estimated H-index: 1
Environmental Policy The government of China has set ambitious goals to reduce air pollution in the infamously smoggy metropolitan areas of Beijing, Tianjin, and Hebei, known collectively as Jing-Jin-Ji. However, pollution initiatives may simply shift the responsible industries, such as coal power plants, to neighboring parts of China. Fang et al. modeled the effects of these regulatory measures. Although the Jing-Jin-Ji region may see reductions in primary air pollution, the current approach ma...
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