Novel tuning method for Spark SQL applications
Spark SQL is a Spark module for structured data processing. It has been widely deployed in industry but it is challenging to tune its performance.
Jun 16, 2022
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8
Computer Sciences
Page 18 - Chinese Academy of Sciences
Computer Sciences
Direct wireless communication of human minds via non-invasive brain-computer-metasurface platform
Recently, coding metasurfaces incorporating active components have enabled real-time and programmable controls over EM functionalities, which used to be static or quite limited in conventional passive counterparts. However, ...
Jun 13, 2022
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32
Electronics & Semiconductors
Epitaxial multilayer MoS2 wafers promise high-performance transistors
Two-dimensional (2D) semiconductors, such as molybdenum disulfide (MoS2), enable unprecedented opportunities to solve the bottleneck of transistor scaling and to build novel logic circuits with faster speeds, lower power ...
Jun 13, 2022
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52
Computer Sciences
Biologically plausible spatiotemporal adjustment helps train deep spiking neural networks
Spiking neural networks (SNNs) capture the most important aspects of brain information processing. They are considered a promising approach for next-generation artificial intelligence. However, the biggest problem restricting ...
Jun 2, 2022
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252
Robotics
Scientists develop novel pain-perception biomimetic skin enabled by strain-perception-strengthening effect
Prof. Chen Tao's team at the Ningbo Institute of Materials Technology and Engineering (NIMTE) of Chinese Academy of Sciences (CAS) has proposed strain-perception-strengthening (SPS) enabled biomimetic soft skin, which realizes ...
May 30, 2022
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231
Electronics & Semiconductors
Novel scheme for logic operations running at 1 Tb/s
Due to their unique capabilities for implementing all-optical logic gates, quantum-dot semiconductor optical amplifiers (QD-SOAs) can help to cope with the vast information capacity in modern telecommunication networks.
May 27, 2022
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81
Energy & Green Tech
Scientists develop novel lithium-ion batteries with better performance, greater operational temperature range
The lithium-ion battery (LIB) uses lithium ions as the key component of its electrochemistry. Due to its high energy density, long life, no memory effect and environmental friendliness, the Li-ion battery has been widely ...
May 25, 2022
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28
Energy & Green Tech
Novel catalysts promote industrial production of clean liquid fuels from syngas
China is rich in coal resources but has comparatively limited crude oil and natural gas. Therefore, conversion of coal to clean liquid fuels, which are mainly synthesized by crude oil, has received much attention in China.
May 20, 2022
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12
Electronics & Semiconductors
Integrated optimal design method of complex electromechanical systems
Integrated optimal design can accelerate the iterative design process of complex systems and enhance their overall performance. Through lumping the mechanical, electrical and control parameters into the feedback gain matrix ...
May 19, 2022
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42
Machine learning & AI
Next-generation micro-expression database with depth information and high ecological validity
Chinese researchers have established CAS(ME)3, a large-scale, spontaneous micro-expression database with depth information and high ecological validity. It is expected to lead the next generation of micro-expression analysis.
May 16, 2022
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