相关实验视频
Updated: Jul 17, 2025

05:16
Flying Insect Detection and Classification with Inexpensive Sensors
Published on: October 15, 2014
25.2K
航空安全的自然语言处理:从公开可用的分离损失报告中提取知识
Irene Buselli1, Luca Oneto1, Carlo Dambra1
1ZenaByte, Genova, Italy.
Open research Europe
|August 30, 2023
概括
本研究介绍了一种自动化方法来分析空中交通安全报告,提取关键信息并使用ATM事件调查工具包 (TOKAI) 分类事件. 该方法通过有效处理真实世界的数据来增强安全分析.
科学领域:
- 航空安全航空安全
- 数据科学数据科学数据科学
- 自然语言处理自然语言处理.
背景情况:
- 由于交通需求的增加,空中交通管理 (ATM) 系统面临越来越多的复杂性,影响系统的安全性.
- 对安全报告的自动分析对于识别分离损失 (LoSs) 至关重要.
- 目前使用自然语言处理 (NLP) 的方法需要手动注释,很少利用一般的分类学.
研究的目的:
- 开发一种自动化算法,从安全报告中提取可操作信息.
- 根据ATM事件调查工具包 (TOKAI) 分类法对安全报告进行分类.
- 解决目前基于NLP的安全报告分析中手动注释的局限性.
主要方法:
- 使用主题建模和集群的安全报告的探索性数据分析.
- 开发一种算法,通过语法分析提取TOKAI分类学因素.
- 将算法应用于公开的LoS事件数据库.
主要成果:
- 成功地从安全报告中提取了有意义和可操作的信息.
- 根据TOKAI分类法自动分类报告内容.
- 通过将确定的因素与事件贡献者联系起来,验证了方法.
结论:
- 拟议的方法是自动化分析LoS报告的重要一步.
- 该方法在来自多个来源的真实世界数据上表现出有效性.
- 未来的工作可以将该方法扩展到其他分类学或确定新的安全因素.
相关概念视频
Types of Reports II: Incident or Occurrence Report
859
An Incident or Occurrence Report in a healthcare setting is a crucial document used to record any unexpected occurrence that may or may not have affected a patient, employee, or visitor. Such reports are critical to improving patient safety and include all details leading up to and including the event.
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
Purposes:
In the healthcare industry, reports play a crucial role in documenting incidents within an agency. The primary objective of these reports is to ensure patient safety, uphold the...
859
Line Loss
266
The different configurations of source-load connections include wye (star) and delta connections. The relationship between line and phase voltages and currents varies depending on the configuration. When the source is supplying power, it is transmitted through the wires to the load, and during this transmission, some power is absorbed by the wires, leading to line loss.
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
Line loss impacts power delivery efficiency in a balanced three-phase circuit. The symmetry in such a circuit simplifies the...
266
SBAR II: Application of SBAR
4.5K
SBAR is an effective communication tool used by healthcare professionals to communicate patient information accurately. SBAR stands for Situation, Background, Assessment, and Recommendation. For a better understanding, an example is given below.
SBAR Report from a Nurse to a Health Care Provider
S: "Hello, Dr. Smith. This is Jane, RN, from the Med Surg unit. I am calling to tell you about Ms. White in Room 210, who is experiencing increased pain and redness at her incision site. Her recent...
SBAR Report from a Nurse to a Health Care Provider
S: "Hello, Dr. Smith. This is Jane, RN, from the Med Surg unit. I am calling to tell you about Ms. White in Room 210, who is experiencing increased pain and redness at her incision site. Her recent...
4.5K
Classification of Signals
523
In signal processing, signals are classified based on various characteristics: continuous-time versus discrete-time, periodic versus aperiodic, analog versus digital, and causal versus noncausal. Each category highlights distinct properties crucial for understanding and manipulating signals.
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
A continuous-time signal holds a value at every instant in time, representing information seamlessly. In contrast, a discrete-time signal holds values only at specific moments, often denoted as x(n), where...
523
Types of Errors: Detection and Minimization
1.7K
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...
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...
1.7K
Propagation of Uncertainty from Systematic Error
553
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
553

