MFEE:一个多字的词汇功能增强框架,用于中国的地质危险事件提取
Jie Gong1, Yang Cao1, Miao Zijing1
1School of Computer Science, South China Normal University, Guangzhou, Guangdong, China.
PeerJ. Computer science
|June 22, 2023
概括
本研究引入了地质危险领域中中国事件提取的新框架,解决了语言和数据的限制. 多词词汇特征增强框架 (MFEE) 和一个新的数据集提高了提取精度.
科学领域:
- 自然语言处理自然语言处理.
- 提取信息 提取信息
- 地质危险分析
背景情况:
- 事件提取 (EE) 是至关重要的,但具有挑战性,特别是在中国的地质危险领域.
- 由于中文语言的细微差别和有限的数据集,现有的方法缺乏特异性.
- 需要一种专业的方法来准确地提取中国的地质危险事件.
研究的目的:
- 建议在地质危险领域为中国事件提取提供一个新的框架.
- 引入一个多词词汇功能增强框架 (MFEE).
- 构建一个大规模的中国地质危险数据集 (CGHaz).
主要方法:
- 开发了一个多词词汇功能增强框架 (MFEE).
- 纳入词汇信息和词汇特征权重决定方法.
- 构建了中国地质危险数据集 (CGHaz).
主要成果:
- 在中国,MFEE框架在地质危险事件提取方面表现出有效性.
- 实验结果验证了CGHaz和ACE 2005数据集的方法.
- 提出的方法显著改善了目标域中的事件提取性能.
结论:
- 在MFEE框架成功地解决了中国地质危险事件提取的挑战.
- 新建的CGHaz数据集促进了该领域的进一步研究.
- 这项工作为域特定的中文事件提取提供了有效的解决方案.
相关概念视频
Applications of GIS: Disaster Management and Emergency Response
116
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
116
Hazard Rate
139
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
139
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
73
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
73
Manipulation and Analysis
45
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
45
Levels of Use of a GIS
72
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
72
Selected Data About Geographic Locations
49
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
49


