Research Project

CAP4Access: Collective Awareness Platforms for Improving Accessibility in European Cities & Regions

The objective of CAP4Access is to develop and pilot-test methods and tools for collectively gathering and sharing spatial information for improving accessibility. The aim is to exploit the power of online maps and mobile devices for fostering awareness of barriers for individuals with limited mobility and in turn aid in the removal of such barriers.


CAP4Access helps integrating disabled communities into society (social sustainability), saving public resources e.g. by helping municipalities to focus expenditures (economic sustainability) and also saving natural resources e.g. by facilitating public transport use (ecological sustainability). Data sources will include citizen humans as sensors, sensors in smartphones and Public Sector Information such as data held by local administrations which are of relevance to accessibility (e.g. road surface and width, traffic volumes and speed, elevation, road works). Target groups include people requiring enhanced accessibility; grassroots initiatives supporting people with disabilities; policy-makers, planners and service providers with responsibility for the built environment; and the general public. Rather than setting up a new platform, the tools to be developed will be pilot-tested on established platforms including Wheelmap, WheelchairRouting, and the OSM.

More specifically our research group will participate in developing:

  • Collective tagging: Tools for tagging (human-as-sensor principle), annotating and facilitating the discussion of locations/places and routes/streets within the built environment according to their accessibility/suitability for individuals with limited mobility. Develop a tagging management system to support the collection of user-generated data.
  • Quality assessment of crowd-sourced data: Develop a data quality assessment and management approach.
  • Tools for integration of PSI/sponsored data in OSM based mapping platforms
  • Routing and navigation: Develop and implement a data and model for cityscape navigation for persons with limited mobility.
  • Tools targeting local initiatives for supporting awareness raising and collective action: Enabling local activities for creating awareness and initiating concrete measures for eliminating barriers for people with limited mobility.

This European project is funded for 3 years.

08.08.2016 11:00
Community Engagement Strategies for Crowdsourcing Accessibility Information

Social innovations are increasingly being seen as a way of compensating for insufficiencies of both, state and market to create inclusive and accessible environments. In a recent paper, together with researchers from Zentrum für Soziale Innovation (Vienna) and Polibienestar Research Institute (Valencia), we have explored crowdsourcing accessibility information as a form of [...]

14.07.2016 09:47
GIScience HD @AGIT 2016

Last week members of the GIScience Research Group were attending the AGIT - Symposium and Exhibit for applied Geoinformatics in Salzburg. Beside the interesting welcome note given by Anita Graser from AIT talking about the Open Data, Open Source and Open Services and the impact for Geospatial Information Systems, further keynotes and conference talks followed, [...]

17.06.2016 11:09
GIScience @geoinfo.potsdam.2016

From 14.6.-16.6. our research group was represented by Stefan Hahmann at geoinfo.potsdam.2016 (aka 64. Deutscher Kartographentag, aka Geoinformatik 2016). The conference has seen ~150 participants from the sectors universities, administration, industry and research institutes. The programme had a strong focus on recent developments in various geo applications with sessions on visualisation methods, geoinformatics and ongoing [...]

16.06.2016 09:44
A Two-Tiered Approach to OSM Data collection for Novice Users & Personalizing Walkability

In addition to the two earlier presentations (No 1, No 2), today there are two additional presentations (No 3 & 4) by GIScience Heidelberg at AGILE 2016 conference in Helsinki: Rousell, A., Hahmann, S., Mobasheri, A. (2016): A Two-Tiered Approach to OSM Data collection for Novice Users. 19th AGILE Conference on Geographic Information Science. Helsinki, [...]

11.06.2016 11:01
Deriving incline values for street networks from voluntarily collected GPS traces

When producing optimal routes through an environment, considering the incline of surfaces can be of great benefit in a number of use cases. For instance, incline may be considered when computing the most energy-efficient routes for electric cars and bicycles. Likewise, pedestrians with restricted mobility (such as wheelchair users, parents with pushchairs, and the elderly) [...]

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