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Title:	以介面設計強化 Web of Things 互動的可觀測性 Improving Observability in Web of Things Interactions: A Visual Analytics Approach
Authors:	呂亭儀 Lu, Ting-I
Contributors:	廖峻鋒 Liao, Chun-Feng 陳宜秀 Chen, Yi-Hsiu 呂亭儀 Lu, Ting-I
Keywords:	可觀測性介面設計 WoT OpenTelemetry
Date:	2024
Issue Date:	2024-08-05 14:53:34 (UTC+8)
Abstract:	隨著物聯網（Internet of Things, IoT）的迅速發展，裝置數量越來越多，然而，由於不同裝置使用不同的通訊協定，使得裝置間的溝通變得複雜且困難，Web of Things（WoT）的出現解決了這個問題，WoT提供相同的通訊協定，有效地簡化裝置間的互動。而WoT的時代來臨，裝置與裝置間的溝通日趨重要，互動的複雜性不斷提升，使得裝置出現問題時難以辨識發生錯誤的處所與原因，這讓 WoT的可觀測性（Observability）變得至關重要，本研究基於開放標準，將可觀測性融入WoT情境中，同時以介面設計的角度，設計了適用於WoT的監測資料呈現方式。具體來說，由於WoT應用程式通常以分散式系統的樣式存在，因此本研究採用開放標準 OpenTelemetry 來設計監測機制，且由於 WoT 是基於 REST衍生出的概念，因此我們應用HTTP Instrumentation 作為主要儀器化媒介，並開發了適用於WoT 資料特性的視覺化工具。實驗部分，本研究選用「智慧教室」當作WoT場景來實現此監測系統，並透過不同情境來評估可觀測性對於WoT 的幫助。最後，本論文強調將可觀測性加入WoT的必要性和優勢，除了提高整體可維護性，同時為WoT情境的優化提供資料，對於未來發展的機會，WoT專屬的監測資料呈現方式可為設計更符合特殊場景的視覺化工具提供基礎，也可將此系統加入WoT Platform，來增進WoT平台管理的全面性。 With the rapid development of the Internet of Things (IoT), the number of devices is increasing, leading to complex and challenging communication due to the use of different communication protocols among devices. The emergence of the Web of Things (WoT) addresses this issue by providing a unified communication protocol, effectively simplifying interactions between devices. As the era of WoT comes, communication between devices becomes increasingly important, and the complexity of interactions continues to grow, making it difficult to identify the location and cause of errors when devices encounter issues. This highlights the critical importance of observability in WoT. This study integrates observability into the WoT context based on open standards and designs a monitoring data presentation method from the perspective of interface design. Specifically, since WoT applications often exist in a distributed system style, this study utilizes the open standard OpenTelemetry to design the monitoring mechanism. Additionally, because WoT is derived from REST concepts, HTTP Instrumentation is applied as the primary instrumentation medium, and a visualization tool suited to WoT data characteristics is developed. In the experimental part, a "smart classroom" scenario is chosen as the WoT context to implement this monitoring system, and different scenarios are used to evaluate the contribution of observability to WoT. Finally, this paper emphasizes the necessity and advantages of incorporating observability into WoT, which enhances overall maintainability and provides data for optimizing WoT contexts. It also lays the foundation for designing visualization tools tailored to specific scenarios and suggests integrating this system into the WoT platform to improve comprehensive management.
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Description:	碩士國立政治大學數位內容碩士學位學程 110462002
Source URI:	http://thesis.lib.nccu.edu.tw/record/#G0110462002
Data Type:	thesis
Appears in Collections:	[Master`s Program in Digital Content and Technologies] Theses

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