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Updated: Nov 18, 2025

Automated Robotic Liquid Handling Assembly of Modular DNA Devices
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Devising Digital Twins DNA Paradigm for Modeling ISO-Based City Services.

Hawazin Faiz Badawi1,2, Fedwa Laamarti1, Abdulmotaleb El Saddik1

  • 1Multimedia Communications Research Laboratory (MCRLab), School of Electrical Engineering and Computer Science, University of Ottawa, Ottawa, ON K1N 6N5, Canada.

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Summary

A new Digital Twin-DNA (DT-DNA) model standardizes city services for smart city digital twins. This model enables interoperability and comparison, showing Boston

Keywords:
DNAISO 37120artificial intelligencedata analysisdigital twinsmart healthstandardswell-being

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Area of Science:

  • Smart Cities
  • Digital Twins Technology
  • Urban Planning

Background:

  • Digital twins (DTs) offer potential for sustainable smart cities.
  • A unified model for city services is lacking, hindering interoperability and DT development.
  • Existing models do not capture unique city characteristics or facilitate cross-city comparisons.

Purpose of the Study:

  • To introduce the DT-DNA model for city services digital twins.
  • To ensure interoperability and capture city-specific characteristics for DTs.
  • To enhance citizens' quality of life (QoL) by modeling city services.

Main Methods:

  • Developed the DT-DNA model based on ISO 37120 international standard.
  • Created DT-DNA sequences for Quebec City and Boston services.
  • Utilized a DNA alignment tool to compare city service DT-DNA sequences.

Main Results:

  • DT-DNA sequences for Quebec City and Boston showed 46.5% identity.
  • Ground truth comparisons corroborated the alignment tool's findings.
  • A novel algorithm for city comparison based on DT-DNA was proposed and tested.

Conclusions:

  • The DT-DNA model provides a proof-of-concept for digital twin frameworks in smart cities.
  • The model facilitates direct comparison of city services and performance.
  • Boston demonstrates superior city services compared to Quebec City in enhancing citizen QoL.