Spatial-Crowdsourcing on Felipe Vergara-Borge

Gamifying Engagement in Spatial Crowdsourcing: Lessons from a Campus Field Experiment

Sun, 08 Mar 2026 00:00:00 +0000

Citizen science has transformed how environmental and urban data are collected. Thanks to mobile devices and digital platforms, volunteers can now contribute observations at a scale that would be impossible for traditional research teams alone.

Yet, most citizen science projects face a persistent challenge: participation declines over time. Initial enthusiasm often fades, leaving only a small group of highly active contributors. This drop in engagement can create gaps in geographic coverage and may affect data quality.

GREENCROWD: Scalable Gamified Citizen Science Infrastructure

Fri, 20 Jun 2025 00:00:00 +0000

GREENCROWD is an open-source, modular, and gamified platform designed for geospatial citizen science campaigns. It was engineered to support large-scale participatory data collection while preserving a flexible architecture that can be reused across environmental, urban, and public health contexts.

At its core, GREENCROWD integrates GAME (Goals And Motivation Engine) to apply adaptive incentives such as points and leaderboards. The objective is not only to collect data, but to improve participation quality, reduce dropout, and sustain long-term engagement.