Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Machines: Problem Solving II01:30

Machines: Problem Solving II

273
Machines are complex structures consisting of movable, pin-connected multi-force members that work together to transmit forces. Consider a lifting tong carrying a 100 kg load. It comprises movable sections DAF and CBG linked together with member AB.
273
Improving Translational Accuracy02:07

Improving Translational Accuracy

2.5K
2.5K
Statically Indeterminate Problem Solving01:16

Statically Indeterminate Problem Solving

345
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
345
Machines: Problem Solving I01:22

Machines: Problem Solving I

275
A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
The toggle clamp system is a machine structure consisting of movable, pin-connected multi-force members that form a stabilized system to transmit forces. The...
275
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

93
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence...
93
Types of Errors: Detection and Minimization01:12

Types of Errors: Detection and Minimization

1.4K
Error is the deviation of the obtained result from the true, expected value or the estimated central value. Errors are expressed in absolute or relative terms.
Absolute error in a measurement is the numerical difference from the true or central value. Relative error is the ratio between absolute error and the true or central value, expressed as a percentage.
Errors can be classified by source, magnitude, and sign. There are three types of errors: systematic, random, and gross.
Systematic or...
1.4K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

[Association between genetic polymorphism of tumor necrosis factor and chronic severe hepatitis B in patients].

Zhonghua yi xue za zhi·2007
Same author

In vivo translational inaccuracy in Escherichia coli: missense reporting using extremely low activity mutants of Vibrio harveyi luciferase.

Biochemistry·2007
Same author

[Construction of recombinant adenovirus vector expressing extracellular domain of TbetaR-II-RANTES fusion gene and its anti-tumor effects].

Zhonghua zhong liu za zhi [Chinese journal of oncology]·2007
Same author

[Characteristics, evolution and variation of M genes of human avian H5N1 strains in Guangdong].

Bing du xue bao = Chinese journal of virology·2007
Same author

Dynamic changes in microbial activity and community structure during biodegradation of petroleum compounds: a laboratory experiment.

Journal of environmental sciences (China)·2007
Same author

Differences in optical transport properties between human meridian and non-meridian.

The American journal of Chinese medicine·2007

相关实验视频

Updated: May 17, 2025

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
03:14

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

466

通过大型语言模型追踪编程知识的困难意识.

Lina Yang1, Xinjie Sun2, Hui Li1

  • 1School of Computer Science, Liupanshui Normal University, Liupanshui, 553000, China.

Scientific reports
|April 3, 2025
PubMed
概括

这项研究引入了一个新的难度感知编程知识跟踪 (DPKT) 模型. DPKT准确地评估了编程问题的难度,增强了对教育个性化学习的知识状态预测.

科学领域:

  • 人工智能的人工智能
  • 教育技术的教育技术
  • 计算机科学 计算机科学

背景情况:

  • 知识追踪 (KT) 模型使用智能辅导系统来模拟学生的掌握能力.
  • 当前的知识技术方法缺乏关注问题难度对知识状态的影响.
  • 编程问题难度,包括文本和概念方面,对于准确的评估至关重要.

研究的目的:

  • 开发一种用于评估编程问题的难度的新型模型.
  • 通过结合困难度指标来改善知识状态预测.
  • 在编程教育中增强个性化学习.

主要方法:

  • 提出了一个使用大型语言模型 (LLM) 的难度感知编程知识跟踪 (DPKT) 模型.
  • 提取的文本理解和知识概念难度从编程问题.
  • 采用注意力机制来分析难度关系和图表注意力网络,并使用更新门机制来动态更新知识状态.

主要成果:

  • DPKT有效地提取文本理解和知识概念困难.
  • 该模型显著提高了编程问题的难度评估的准确性.
  • 证明了知识状态的增强时空反射能力.
  • 在各种语言数据集中观察到出色的性能.

更多相关视频

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

10.7K
Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
08:05

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

7.4K

相关实验视频

Last Updated: May 17, 2025

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness
03:14

Augmenting Large Language Models via Vector Embeddings to Improve Domain-Specific Responsiveness

Published on: December 6, 2024

466
The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

10.7K
Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques
08:05

Measuring Statistical Learning Across Modalities and Domains in School-Aged Children Via an Online Platform and Neuroimaging Techniques

Published on: June 30, 2020

7.4K

结论:

  • DPKT为编程知识追踪提供了一个创新的解决方案.
  • 该模型为教育工作者提供了个性化学习的宝贵工具.
  • 准确的难度评估对于有效的知识追踪和教育干预至关重要.