ThemeRise: a theme-oriented framework for volunteered geographic information applications

Abstract

Web 2.0 disseminated the possibility of engaging citizens in data collection initiatives, also known as Volunteered Geographic Information (VGI), a type of crowdsourcing. This project was conceived based on the need to quickly develop and publish geographic data collection tools and resources that could be customized to any relevant theme and engage as many contributors as possible. ThemeRise, a framework for generating VGI applications, was implemented with current and flexible technologies, which ensure its extensibility and evolution. The framework manages the structure and characteristics of data collection target themes individually, allowing for multi-thematic VGI initiative design. This perspective shift also allows a individualization of rewards for volunteer actions, so that the affinity of users to theme-related knowledge domains can be adequately considered and rewarded. As it currently stands, ThemeRise allows creating and publishing VGI resources in minutes, while preserving a sophisticated control over themes, contributions and user experience.

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