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One year ago today, researchers at Lawrence Livermore National Laboratory achieved a record shot at the National Ignition Facility (NIF) that set the world talking about the potential of fusion energy...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Differentiability of volume functions for big classes
大类 体积函数 可微性
2023/4/17
We report a recent paper of Witt Nystrom, where he proved the differentiability of volume functions using deformation to the normal cone.
The Big Bang at 75（图）
Physics Philosophy 天体物理学
2023/6/29
There was a time before time when the universe was tiny, dense, and hot. In this world, time didn’t even exist. Space didn’t exist. That’s what current theories about the Big Bang posit, says Vijay Ba...
“展宏图，觅灵机”图灵班系列讲座第3讲：樊文飞院士解读“Big Graphs”（图）
图灵班 第3讲 樊文飞 Big Graphs 数据库
2023/11/30
2023年2月22日，中国科学院外籍院士、英国皇家学会院士樊文飞教授做客南科大。樊院士主要从事数据库理论与系统方面的研究，此次围绕“大规模图数据（Big Graphs）”主题，与在场师生分享了他对此方面的深刻见解。会议由计算机科学与工程系主任姚新教授主持，副主任王琦副教授、计算机系部分教师、图灵班各年级学生以及部分研究生到场聆听了报告。
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A method to deal with generalized linear regressions in big data
处理 大数据 广义线性回归
2023/4/28
This paper proposes a method to accelerate calculation for generalized linear models in big data. We separate the covariates of full model into several groups to build candidate models. In the process...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Group-Orthogonal Subsampling for Big Data Linear Mixed Models
大数据 线性混合模型 群正交 子采样
2023/5/10
Linear mixed model is a popular and common modeling method in statistical analysis. It is computationally difficult to obtain parameter estimates in linear mixed model for big data. The current subsam...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A literature review in tourism research based on big data
大数据 旅游研究 文献综述
2023/5/18
Even at an early stage, diverse big data have been applied to tourism research and made an amazing improvement. This paper might be the first attempt to present a comprehensive literature review on di...
Subtropical gyres are enormous rotating ocean currents that generate sustained circulations in the Earth’s subtropical regions just to the north and south of the equator. These gyres are slow-moving w...
Broccoli has long been one of the more reviled vegetables.But I’m here to tell you that you shouldn’t need any convincing to eat broccoli. Why? Because the health benefits it offers are borderline mir...
Like the transistors in a classical computer, superconducting qubits are the building blocks of a quantum computer. While engineers have been able to shrink transistors to nanometer scales, however, s...
A big discovery of a tiny critter（图）
水熊虫化石 缓步动物 无脊椎动物
2023/6/21
Good luck finding an animal tougher than a tardigrade.
北京基因组所举行第十八期“BIG论坛”（图）
BIG论坛；第十八期；北京基因组所
2022/1/25
2019年9月12日下午，由中国科学院北京基因组研究所主办的第十八期“BIG论坛”在一层报告厅举行。本次论坛邀请了国际科学理事会数据委员会(Committee on Data of the International Science Council，简称CODATA)执行主任Simon Hodson博士作了题为“Data for the Planet: driving solutions for ...
Knowing a big deal when you see it（图）
化石 爬行动物 鳞龙
2023/6/21
It’s not uncommon for scientists to have to run experiments numerous times to see whether they have a big discovery on their hands. Every once in a while, though, a researcher makes a big find more or...
The NASA Dragonfly mission will send a rotorcraft relocatable lander to the surface of Saturn's moon Titan in the mid-2030s; it will be the first mission to explore the surface of Titan.
Among our solar system’s many moons, Saturn’s Titan stands out – it’s the only moon with a substantial atmosphere and liquid on the surface. It even has a weather system like Earth’s, though it rains ...