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A CONTEXT-AWARE URBAN HEAT COMPANION FOR PROSUMER PARTICIPATORY SENSING AND JUST-IN-TIME ADAPTIVE INTERVENTION
ECIS 2026 (2026) AI Processed Human Approved

A CONTEXT-AWARE URBAN HEAT COMPANION FOR PROSUMER PARTICIPATORY SENSING AND JUST-IN-TIME ADAPTIVE INTERVENTION

Niklas von Heyden, Florian Onur Kuhlmeier, Jeffrey Parsons, Alexander Maedche
This study applies a Design Science Research approach to develop and evaluate the 'Heat Companion,' a context-aware participatory sensing system that integrates wearable environmental sensors, a mobile application, and on-device adaptive feedback. Grounded in Prosumer Theory and the Just-in-Time Adaptive Interventions framework, the system aims to enable citizens to collect micro-climate data while receiving real-time, context-specific recommendations. The artifact's feasibility and usability were evaluated through a two-week field study with eight participants in Karlsruhe, Germany. Problem Traditional meteorological infrastructures fail to capture local micro-climate variations and individual heat exposure. While participatory sensing can address this data gap, maintaining long-term citizen engagement is difficult because contributors often experience participation fatigue or perceive a lack of direct personal benefit. Consequently, there is a lack of prescriptive design knowledge on how to sustain reciprocal value exchange and interaction in volunteer-driven environmental sensing. Outcome - The Heat Companion system demonstrated technical reliability, capturing micro-climate variations with an average temperature deviation of +1.9 °C and relative-humidity deviation of -6.9% compared to the nearest official weather stations.
- High system engagement was observed during the field study, with participants opening 93% of the 690 generated recommendations and responding with a median time of 14.2 seconds.
- Engagement and compliance varied across recommendation domains, with short, actionable prompts like 'Hydration & Cooling' achieving a 33.6% follow rate, while broader domains like 'Social Care' had a 5% follow rate.
- Perceived relevance of feedback was higher during warmer afternoon hours (median rating of 4.0 out of 5) than in the morning (median rating of 2.0 out of 5), suggesting relevance aligns with actual heat exposure.
- Due to the small sample size (8 participants) and exploratory feasibility design, no inferential statistical tests were conducted to confirm the statistical significance of the behavioral changes, which remains a key limitation.
What it means for you
  • CIO / IT Executive: Authorize a pilot project to integrate on-device, context-aware processing capabilities into the company's mobile application roadmap, shifting away from centralized cloud polling to enable low-latency, real-time push notifications driven by on-device sensor data.
  • IT Manager: Update the push-notification system's scheduling logic to restrict alerts to high-relevance afternoon windows (12:00 PM to 4:00 PM) and truncate copy to short, single-action prompts like 'Hydration & Cooling' to maximize user compliance rates.
  • Business Strategist: Redesign the incentive structure of our data-collection app to offer immediate, personalized 'micro-utility' benefits—such as real-time local comfort scores—directly to the user upon data submission, mitigating long-term participation fatigue.
  • Researcher: Draft a research proposal and power analysis for a randomized controlled trial (RCT) with a target sample size of at least 150 participants to statistically validate the behavioral impacts and compliance rates of the Heat Companion's adaptive interventions.
  • Policymaker: Draft a municipal initiative to equip outdoor public-sector employees (such as postal or sanitation workers) with wearable micro-climate sensors to map urban heat islands where official weather stations lack coverage.
Transcript
Host: Welcome to A.I.S. Insights - Turning IS Research into Business Action. I'm Aaron Ivan Sterling.

Expert: And I'm Ava Irene Solis. Today, we're discussing a study presented at the European Conference on Information Systems, or ECIS 2026, titled "A CONTEXT-AWARE URBAN HEAT COMPANION FOR PROSUMER PARTICIPATORY SENSING AND JUST-IN-TIME ADAPTIVE INTERVENTION".

Host: This study explores the development and evaluation of the 'Heat Companion,' a context-aware participatory sensing system that integrates wearable environmental sensors, a mobile application, and on-device adaptive feedback to help citizens manage urban heat exposure. Ava, let's start with the real-world problem this study addresses. Why is this an important focus for municipalities and technology practitioners?

Expert: Traditional meteorological stations are fixed and spatially coarse. They struggle to capture micro-climate variations—like the urban heat-island effect, where dense buildings trap heat differently from street to street. While cities can ask citizens to carry mobile sensors to collect this hyper-local data, the big challenge is keeping those volunteers engaged. People often experience participation fatigue because they feel they are providing data but receiving no direct, personal value in return. This study addresses the lack of prescriptive design knowledge on how to sustain a reciprocal value exchange in volunteer-driven environmental sensing.

Host: So it's about shifting from a one-way data collection model to a two-way exchange. How did the researchers design the Heat Companion to solve this?

Expert: The study applies a Design Science Research approach, grounding the system's design in Prosumer Theory and the Just-in-Time Adaptive Interventions framework. The architecture pairs a wearable temperature and humidity sensor with a smartphone app running an on-device engine. Instead of just gathering data, the system analyzes the wearer's real-time environmental conditions and sends immediate, context-specific recommendations back to them. The citizen acts as both a producer of data and a consumer of personalized, actionable insights.

Host: A true reciprocal relationship. To see how this worked in practice, the researchers evaluated the system in Karlsruhe, Germany, with eight participants over a two-week field study. What did they find regarding its technical performance?

Expert: On the technical side, the Heat Companion proved reliable in capturing micro-climate variations. It recorded average temperature deviations of plus 1.9 degrees Celsius and relative-humidity deviations of minus 6.9 percent compared to the nearest official weather stations. This suggests the system successfully captured localized differences that official networks missed.

Host: And how did the participants interact with the adaptive feedback? Did they actually engage with the recommendations?

Expert: High engagement was observed during the field study. Participants opened 93 percent of the 690 generated recommendations, with a median response time of 14.2 seconds. However, engagement and compliance varied depending on the type of recommendation. Short, actionable prompts, like those in the 'Hydration and Cooling' domain, achieved a 33.6 percent follow rate. On the other hand, broader domains like 'Social Care' had only a 5 percent follow rate.

Host: That is a significant difference. Did the timing of the notifications affect how relevant participants found them?

Expert: Yes, perceived relevance aligned with actual heat exposure. Notifications issued during warmer afternoon hours received a median rating of 4.0 out of 5, whereas those sent in the morning received a median rating of 2.0 out of 5. This suggests that participants found the feedback more relevant when they were actively experiencing heat stress.

Host: Are there any limitations to these findings that practitioners should keep in mind?

Expert: Absolutely. Because of the small sample size of eight participants and the exploratory nature of the feasibility design, the researchers did not conduct inferential statistical tests to confirm the statistical significance of any observed behavioral changes. This remains a key limitation of the study's outcomes.

Host: That is an important qualification. Looking beyond the specific metrics, what are the practical implications of this study for business and technology professionals?

Expert: For technology leaders and product designers building crowdsourced or participatory platforms, the study demonstrates that real-time, reciprocal value is a practical driver for sustained engagement. If you require user-generated data, you should design mechanisms that return immediate, contextually relevant utility to the user. Additionally, from an architecture standpoint, the system used edge-based processing, running all calculations and intervention logic locally on the device. This provides a clear template for balancing real-time responsiveness with user privacy and data security.

Host: What about for public sector administrators or municipal managers?

Expert: For municipal governance, this approach offers a strategic tool for proactive urban planning. By using localized, citizen-generated data to identify hyper-local hotspots, city authorities can transition from broad, city-wide heat warnings to targeted interventions. This might include deploying mobile cooling stations or prioritizing shading infrastructure in specific street segments where residents experience the highest stress. It transforms citizens from passive sensors into active contributors to their neighborhood's climate resilience.

Host: It is a clear model for data-driven and socially inclusive urban adaptation. Ava, thank you for sharing these insights with us.

Expert: Thank you, Aaron.

Host: And thank you to our listeners. This has been A.I.S. Insights - Turning IS Research into Business Action. Join us next time as we continue to bring the research from ECIS 2026 directly to your business practice.
Citizen-Centric Green IS, Participatory Sensing, Context-Aware Computing, Just-In-Time Adaptive Interventions, Urban Climate Adaptation