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Open Access

ARTICLE

Experimental Evaluation of Spatio-Temporal Data Utilization on Floating Cyber-Physical System Platform

Daiki Nobayashi1,*, Meiya Tanaka2, Naoki Tanaka2, Riku Nakamura2, Kazuya Tsukamoto3, Takeshi Ikenaga1, Shu Sekigawa4, Myung Lee5
1 Department of Electrical and Electronic Engineering, Faculty of Engineering, Kyushu Institute of Technology, Fukuoka, Japan
2 Electronic Engineering Course, Department of Engineering, Kyushu Institute of Technology, Fukuoka, Japan
3 Department of Computer Science and Networks, Faculty of Computer Science and Systems Engineering, Kyushu Institute of Technology, Fukuoka, Japan
4 KDDI Corporation, Tokyo, Japan
5 Department of Electrical & Computer Engineering, City College of New York, New York, NY, USA
* Corresponding Author: Daiki Nobayashi. Email: email
(This article belongs to the Special Issue: Advancements in Mobile Computing for the Internet of Things: Architectures, Applications, and Challenges)

Computers, Materials & Continua https://doi.org/10.32604/cmc.2026.077008

Received 30 November 2025; Accepted 20 February 2026; Published online 13 March 2026

Abstract

To realize local production and consumption of Spatio-temporal data (STD), it is essential to address two key challenges: (1) maintaining data locality by retaining and distributing STD close to their generation area, and (2) enabling application execution on heterogeneous and resource-constrained devices through a lightweight and portable execution platform. To address these challenges, we developed a Floating Cyber-Physical System (F-CPS) that retains both STD and the functions required to process and use the STD within a specific area. In the F-CPS, the STD Retention System directly distributes STD from the generation location and maintains the STD within the target area, thereby ensuring data localization. Furthermore, to facilitate the execution of common applications across heterogeneous devices, we designed a compact and portable application execution platform based on the WebAssembly (Wasm). In this paper, we describe the validation of the feasibility of the F-CPS platform through an integrated experimental evaluation using environmental information. The experiment demonstrated that the F-CPS enables (1) area-based retention of STD and (2) execution of data-processing functions on Wasm containers. The experimental results confirmed that the F-CPS can achieve local production and consumption of environmental data, thereby verifying the effectiveness of this platform.

Keywords

Cyber physical system platform; experiment; data retention system; WebAssembly; local data production and consumption

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