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“Crowdsourced Mapping”

To be published as a Special Content Issue of the International Journal “Cartography and Geographic Information Science” (CaGIS)

Edited by

Dr. Jamal Jokar Arsanjani 1 & Prof. Michael Leitner 2 & Prof. Alexander Zipf 1

1 GIScience Research Group, Department of Geography, Heidelberg University, Heidelberg, Germany

2 Department of Geography and Anthropology, Louisiana State University, Baton Rouge, Louisiana, USA

Manuscript Proposal Submission Deadline: Sunday, November 30, 2014

The Guest Editors invite submissions of manuscript proposals that can be considered for inclusion in this Special Content Issue of CaGIS, which is scheduled to be published by Taylor and Francis (http://www.tandfonline.com/toc/tcag20/current) in the June 2016 Issue.

Submissions are welcome from the academic, public, and private sectors. All manuscript proposals will be evaluated by a committee of experts before author(s) are being invited to submit the full manuscript. Manuscripts must not have been published elsewhere. Unpublished conference presentations are acceptable. Published conference presentations (e.g., in a proceedings volume) may be acceptable if the full copyright can be transferred.

Cartography and Geographic Information Science is an international journal and one of the three official journals of the International Cartographic Association (ICA). It is abstracted and indexed in EBSCOhost; Elsevier BV; Compendex; GEOBASE; Scopue; Gale; National Library of Medicine; PubMed; OCLC; Ovid; ProQuest; The Engineering Index Monthly; Thomson Reuters; Social Sciences Citation Index; and the Web of Science.  More information about CaGIS can be found under http://www.tandfonline.com/toc/tcag20/current.

Appropriate topics to be included in this Special Issue are, but not limited to

* Collaborative mapping

* Volunteered Geographic information (VGI)

* Citizen Science

* Human as sensors (Sensor-enabled Humans)

* Mapping user generated geographic information from the crowd e.g., social media (Flickr, Instagram, Panoramio, …), telecommunication services, social networks (Facebook, Twitter, …), sensor networks

* Uncertainty mapping

* Data/information quality visualization

* Spatial/temporal visualization of crowd analysis

* Indicators for Volunteered Geographic Information and citizen science

* (Re)Mapping unmapped features from the crowd

* Collaborative mapping and governments

* Data mining and fusion of crowd-based data/information with authoritative data

* Metadata production

* Mapping costs and benefits

* Crowd-based data/information for diverse applications e.g., cities/environmental monitoring, disaster management, landscape analysis, land use/cover monitoring, social science, ecology, …

* Emerging topics and datasets generated from/by the crowd

* Big geo(data)

* OpenStreetMap

* Geospatial analysis and internet of things (IoT)

* Digital divide and (geo)information dissemination


October 7, 2014: First solicitation of manuscript proposal submission

November 30, 2014: Manuscript proposal submission deadline

December 31, 2014: Invitation notification to submit full manuscript

September 30, 2015: Final manuscript submission deadline

November 30, 2015: Acceptance / rejection notification sent to author(s)

February 28, 2016: Final revised manuscript submission deadline

April 2016: Publication in Taylor and Francis Online (http://www.tandfonline.com/loi/tcag20#.VCut5PldVIE)

September 2016: Publication of CaGIS Special Content Issue (hard-copy)

Inquiries should be directed to

Dr. Jamal Jokar Arsanjani

GIScience Research Group, Heidelberg University

Berliner Strasse 48, D-69120, Heidelberg


Tel: +49-6221-54-5572


Dr. Michael Leitner

Full Professor

Department of Geography and Anthropology

Louisiana State University, Baton Rouge, LA 70803


(225) 578-2963 office, (225) 773-7862 cell

Submission Procedure for the Manuscript Proposal

Length:  1-3 pages

Format:  Microsoft Word or Adobe PDF

Figures/Tables:  Must be legible

General:  Submissions must include the author’s name, affiliation, mailing address and e-mail address. In the case of multiple authors, all names, addresses, etc., must accompany the submission and a single individual must be identified as the primary point of contact. If submitting a published conference presentation (e.g., one that has appeared in a proceedings volume), the author(s) must provide proof that the article’s full copyright can be transferred. Submissions must be sent as an e-mail attachment to the editor using the e-mail address listed above.

Submission Deadline: Manuscript proposals must be received by midnight US Central Standard Time on or before November 30, 2014.

Notification: Notification regarding the status of each proposal will be sent by December 31, 2014 to all those who submitted a manuscript proposal. At that time, authors whose manuscript proposals have been accepted will also be e-mailed guidelines regarding manuscript preparation.

Post-Acceptance Information: The full manuscript deadline is September 30, 2015. Following receipt, full manuscripts will be sent out for double-blind review. The Editors will make the final decision regarding final acceptance of manuscripts. All manuscripts with revisions (if necessary) need to be completed by February 28, 2016.

As has been announced earlier in our blog, there are open thesis topics within the EU-project CAP4ACCESS. Heidelberg University’s GIScience Research Group is a project partner of CAP4ACCESS. Other project partners include UCL, Fraunhofer and sozialhelden.de with their wheelmap.org project.

The goal of CAP4ACCESS is to improve the accessibility of mobility-restricted people, in particular those who are wheelchair users. One of the tasks of the work packages pursued in Heidelberg is improving existing routing and navigation applications for the target user group. As all developed applications shall be openly accessible by the public, only free geodata, such as OpenStreetMap, is eligible.

However, the data completeness in OSM regarding features that are of importance for locomotion of wheelchair users, such as information on sidewalks, curbs and incline of surfaces is still poor in many regions.

We therefore aim to conduct two theses with the goal to improve this situation. Both topics may be adapted to the level of Bachelor, Master, Diploma, Teacher, etc.

The first topic is about using crowdsourced image interpretation to derive information on sidewalks (document in German).

The second topic is about automated derivation of road incline from GPS tracks collected by OpenStreetMap contributors (document in German).

Both topics are highly relevant from both a practical and a scientific point of view. If you are a student interested in these topics (Bachelor, Master, Teacher etc.) please contact Dr. Stefan Hahmann.

Geography BBQ at the beach

Geography Matters! We all know that and in becomes even more obvious when a university has direct beach access which makes it easy to have BBQ directly by the sea. Also the GIScience Heidelberg BBQs are lots of fun in the garden as documented here, but last weekends BBQ of the Department of Geography at UCSB was also a very nice event at a compelling location. (UCSB sabbatical)

The series of colloquium presentations in the winter term 2014 at the Department of Geography at University of California Santa Barbara (UCSB) was opened by a talk by Alexander Zipf who is a guest at the UCSB Center of Spatial Studies as reported earlier. This talk presented an overview of some of the investigations on the quality and applicability of VGI and how these can be improved at the GIScience Research Group at Heidelberg University. The focus was on OpenStreetMap (OSM) as one of the most successful examples of VGI in Europe.



We are pleased to announce the programme of our colloquium for the next winter term. We are proud to present a series of high quality talks given by outstanding researchers of their respective fields. A detailed schedule including locational information can be found at our Institute website. Abstracts describing the talks can be found here.

Flood emergency planning is a challenging task for many municipalities throughout the world, and particularly in Europe. Not only because there is no common methodology on how to detect the critical infrastructure that must be taking into account in emergency plans, but as well because of the fact that the changing flood-risk situation requires constant review and updating of spatial data.

These needs and problems are approached by the OpenFloodRiskMap project (”A decision support system based on user-generated spatial data for communities in support of emergency response planning in flood management”) that was launched by the GIScience team under the lead of Prof. Dr. João Porto de Albuquerque in cooperation with the company Leiner & Wolff GmbH Heidelberg and the City of Karlsruhe. The project is funded in the scope of the “Klimopass” research project by the Environmental Ministry of the State of Baden-Würtemberg through the Landesanstalt für Umwelt, Messungen und Naturschutz Baden-Württemberg (LUBW).

Kickoff meeting of the OpenFloodRiskMap project

The objective of the project is the creation of a decision support system based on user-generated spatial data that will allow users to easily identify critical elements and infrastructure in their local environment. Therefore, a process model as well as a technical implementation will be developed in which official flood hazard maps and free geodata from OpenStreetMap will be combined. Thus, the advantages of official and open crowd-sourced data are combined and utilized to create a user-friendly application that will support the municipalities in the emergency response planning in flood management.

The usability and functionality of the decision support system for assisting municipalities in the development of alarming and emergency plans will be evaluated in the city of Karlsruhe.


bereits zum sechsten Mal veranstaltet das Geoinformationsnetzwerk der Metropolregion Rhein-Neckar GmbH GeoNet.MRN den Fachaustausch Geoinformation in Heidelberg. Die Veranstaltung dient dem Erfahrungsaustausch zwischen Interessenten, Experten, Nutzern und Entscheidungsträgern aus Wirtschaft, Wissenschaft, Politik und Verwaltung über Anwendungsmöglichkeiten und aktuelle Themen in der Geoinformationswirtschaft. Als Partner präsentiert sich das Virtual Dimension Center Fellbach. Neben den Themen Geodaten als Enabler für die Digitale Gesellschaft, Energiewende und Big Data stehen auch Virtual Reality und 3D-Anwendungen im Kontext Geodaten im Fokus der Veranstaltung. Die Fachforen vereinen interessante Vorträge mit einer offenen Atmosphäre und Raum für Diskussionen, um den Netzwerkcharakter der Veranstaltung zu betonen. So bietet der Fachaustausch auch Ihren Ideen und Fragen eine breite Plattform.

Wie bereits im Vorjahr präsentieren sich die Mitglieder des GeoNet.MRN in einem großen Ausstellerbereich und stellen die neuesten Trends und Produkte aus dem Geobusiness vor. Die Preisverleihung des Galileo-Masters BW im Rahmen der European Satellite Navigation Competition bildet den Abschluss des Tagesprogramms.

Wir laden Sie ganz herzlich zur kostenfreien Teilnahme ein und freuen uns sehr, Sie am 29. Oktober in Heidelberg begrüßen zu dürfen.

Ein detailliertes Programm finden Sie hier.

Anmeldung & Kontakt:

Die Teilnahme an der Veranstaltung ist kostenlos, eine vorherige Registrierung ist jedoch aufgrund kapazitiver Beschränkungen zwingend erforderlich. Nutzen Sie unser Online-Anmeldeformular unter: www.m-r-n.com/geonet-regionalkonferenz

Veranstaltungsort: Print Media Academy Heidelberg, Kurfürsten-Anlage 52-60, 69115 Heidelberg

The growing number of mobile devices equipped with GPS sensors having broadband internet access, allow users to actively participate and create content through mobile applications and location based services. Whether users are uploading geotagged photos via Flickr or Instagram, checking in at a venue with Foursquare or commenting on a local event via Twitter. These emerging, inexpensive and widespread sensor technologies have created new possibilities to infer mobility data from crowd sourced information.

In a current research project, we developed a framework to detect human mobility transportation hubs and infer public transport flows from unstructured georeferenced social media data using semantic analysis and spatial clustering techniques.

Please click on the image to watch the video

The video of our WebGL visualization shows increasing counts of network matched social media posts clustering outside London and moving into the center between 6-12 am and 6-12 pm. This typical commuting behavior can be detected along the whole railway network while posts between 12-6pm are spatially concentrated along the inner transportation network of London.

This quite promising research has been achieved by PhD students within the Crowd Analyser graduate school funded by the state of Baden-Württemberg and will be presented during these years ACM SIGSPATIAL Geocrowd Workshop in Dallas. Further information in detail is available within the linked publication below:

Steiger, E. Ellersiek, T. Zipf, A. (2014): Explorative public transport flow analysis from uncertain social media data. Third ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information (GEOCROWD) 2014. In conjunction with ACM SIGSPATIAL 2014. Dallas, TX, USA. http://dx.doi.org/10.1145/2676440.2676444

Am Lehrstuhl für Geoinformatik der Universität Heidelberg suchen wir derzeitmögl. kurzfristig eine wissenschaftliche Hilfskraft oder PraktikantIn für die Web-Frontend-Entwicklung im Rahmen des OpenRouteService (www.openrouteservice.org) Projekts.
Siehe Stellenbeschreibung im Anhang.
Bei Interesse bitte melden, gerne auch weiterleiten.

Du studierst Geographie, Informatik oder eine ähnlichen Studienrichtung und möchtest deine Kenntnisse in der Geoinformatik vertiefen?
Du hast schon mal clienseitig entwickelt und HTML, CSS und Javascript sind für dich keine Fremdwörter?
Dann haben wir für dich eine spannende…
Die Weiterentwicklung und Pflege des Clients des auf freien Geodaten basierenden Routenplaners OpenRouteService (ORS: http://openrouteservice.org/)
- Verbesserung der clientseitigen Logik und des aktuellen JavaScript Frameworks
- Debugging des neuen ORS Clients (https://koenigstuhl.geog.uni-heidelberg.de/ors/)

- Erforderlich: GIS-Grundkenntnisse, HTML, CSS, Javascript
- Gewünscht: OpenLayers, HTML5
- Wäre schön: WebServices (z.B. OGC Services),Tomcat

Bewerbung mit kurzen Anschreiben und kurzem Lebenslauf an
Enrico Steiger (enrico.steiger@geog.uni-heidelberg.de).
Möglicher Vertragsbeginn: ab sofort


Last week members of the GIScience Research Group were attending the Eight International Conference on Geographic Information Science in Vienna. Beside the interesting welcome note given by Andrew U. Frank and further follow-up keynote talks, the first conference day was opened up for full day workshops covering various topics of GIScience.

Geographic Information Workshop

In conjunction with the GIScience conference Andreas Reimer presented results from the SUCAP-Project at a workshop on cartography and generalization. Enrico Steiger was presenting a talk about his past research on geographic feature extraction from uncertain Twitter data which was followed by an opening discussion around the emerging topic of user generated content (UGC) and its future scientific impacts and challenges.

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