使用虚拟现实可视化和探索链接数据
Alexander J Kellmann1,2, Max Postema2, Joris de Keijser2
1Department of Genetics, University of Groningen, Antonius Deusinglaan 1, Groningen, Groningen 9713 AV, The Netherlands.
Database : the journal of biological databases and curation
|March 30, 2024
概括
虚拟现实 (VR) 提供了一种探索复杂知识图的新方式,克服了2D屏幕的局限性. 一个VR原型Graph2VR被证明对链接数据的探索和发现非常有用.
科学领域:
- 计算机科学 计算机科学
- 数据可视化 数据可视化
- 人与计算机的交互
背景情况:
- 像资源描述框架 (RDF) 和网络本体语言 (OWL) 这样的链接数据技术对于编码复杂的知识图来说至关重要.
- 现有的可视化RDF工具由于2D屏幕的限制,难以处理大型图形.
- 虚拟现实 (VR) 为沉浸式和直观的图形探索提供了一个潜在的解决方案.
研究的目的:
- 分析虚拟现实 (VR) 对导航和探索复杂知识图的有效性.
- 为了评估一个原型系统,Graph2VR,用于可视化SPARQL查询和链接数据.
- 收集用户对基于VR的链接数据探索的反.
主要方法:
- 审查了链接数据可视化的现有方法.
- 开发了一个VR原型系统,命名为Graph2VR.
- 进行了可用性研究,以评估VR系统对图形探索的有效性.
主要成果:
- 参与者发现Graph2VR对于探索链接数据图表来说是愉快和有用的.
- 该研究证明了VR在大型知识图中增强数据发现的潜力.
- 用户反为基于VR的数据可视化的未来改进提供了见解.
结论:
- 虚拟现实提供了一种有前途的方法来克服知识图探索传统2D接口的局限性.
- 该Graph2VR原型显示了作为一种直观和有效的链接数据发现工具的潜力.
- 基于用户反的进一步开发可以增强VR在可视化复杂数据结构中的作用.
相关概念视频
Depth Perception and Spatial Vision
644
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
644
Levels of Use of a GIS
50
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...
50
Virtual Work for a System of Connected Rigid Bodies
383
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
Next,...
383
Virtual Work
834
The principle of virtual work states that if a body is in static and dynamic equilibrium, then the sum of all the virtual work done by all external forces and couple moments for any given virtual displacement must be zero.
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
In static equilibrium, a body can experience an imaginary or virtual movement, such as displacement or rotation. The virtual work done by a force is equal to the dot product of force and virtual displacement in the direction of the force. When it comes to virtually rotating a...
834


