TEl-IoT: A Template for Eliciting IoT Software System Requirements

  • Sabrina Rocha Souza Universidade Federal do Amazonas (UFAM)
  • Bruno Pedraça Souza Universidade Federal do Rio de Janeiro (UFRJ)
  • Anderson Gonçalves Uchôa Universidade Católica do Rio de Janeiro (PUC-Rio)
  • Daniella Oliveira Costa Universidade Federal do Amazonas (UFAM)


Context: The Internet of Things (IoT) is a network of physical objects and system connected through mutual communication protocols. IoT systems have specific characteristics such as, self-configuration, dynamic changes, device and software heterogeneity. Goal: As IoT systems incorporate several components of the software, hardware, communication, and other features, building requirements documents to such systems become a challenge for Requirements Engineering (RE). Thus, this paper presents TEl-IoT, a template to aid developers during the requirements elicitation activities for IoT systems. Method: We conducted three evidence-based studies. We first performed a literature review aiming to identify artifacts that support requirements elicitation and specification for IoT systems. Second, based on the literature review, we proposed the initial version of the TEl-IoT. Finally, we performed two empirical studies to assess the TEl-IoT: (i) feasibility study with industry regarding the first version of TEl-IoT, and (ii) an observational study to understand how students apply the TEl-IoT in an IoT project. Results: Our results showed that TEl-IoT is viable, and its use reduces the time spent on requirements elicitation, in comparison with the ad-hoc way. In addition, our qualitative results also suggested that the use of TEl-IoT facilitates the requirements elicitation for IoT systems. Conclusion: We expect our template to guide requirements elicitation for IoT systems in practice. Our results showed that TEl-IoT can support developers and contribute to the body of knowledge about RE applicable in the IoT context.
Palavras-chave: Requirements Elicitation, Internet of Things, Empirical Validation


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SOUZA, Sabrina Rocha; SOUZA, Bruno Pedraça; UCHÔA, Anderson Gonçalves; COSTA, Daniella Oliveira. TEl-IoT: A Template for Eliciting IoT Software System Requirements. In: SIMPÓSIO BRASILEIRO DE SISTEMAS DE INFORMAÇÃO (SBSI), 18. , 2022, Curitiba. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2022 .