Alexander Zipf

Affiliations:
  • Heidelberg University, Germany


According to our database1, Alexander Zipf authored at least 146 papers between 2001 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

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Bibliography

2024
Distortions in Judged Spatial Relations in Large Language Models: The Dawn of Natural Language Geographic Data?
CoRR, 2024

2023
Semi-supervised water tank detection to support vector control of emerging infectious diseases transmitted by <i>Aedes Aegypti</i>.
Int. J. Appl. Earth Obs. Geoinformation, May, 2023

Private Vehicles Greenhouse Gas Emission Estimation at Street Level for Berlin Based on Open Data.
ISPRS Int. J. Geo Inf., 2023

Cross-City Matters: A Multimodal Remote Sensing Benchmark Dataset for Cross-City Semantic Segmentation using High-Resolution Domain Adaptation Networks.
CoRR, 2023

Multiscale Multifeature Vision Learning for Scalable and Efficient Wastewater Treatment Plant Detection using Hi-Res Satellite Imagery and OSM.
Proceedings of the 1st ACM SIGSPATIAL International Workshop on Advances in Urban-AI, 2023

Using VGI for Social Good: Potentials and Pitfalls for Using OSM for Humanitarian Aid and Climate Mitigation.
Proceedings of the 9th International Conference on Geographical Information Systems Theory, 2023

Semi-Supervised Learning from Street-View Images and OpenStreetMap for Automatic Building Height Estimation.
Proceedings of the 12th International Conference on Geographic Information Science, 2023

2022
Understanding spatiotemporal trip purposes of urban micro-mobility from the lens of dockless e-scooter sharing.
Comput. Environ. Urban Syst., 2022

Improving OpenStreetMap missing building detection using few-shot transfer learning in sub-Saharan Africa.
Trans. GIS, 2022

SocialMedia2Traffic: Derivation of Traffic Information from Social Media Data.
ISPRS Int. J. Geo Inf., 2022

Das Potenzial von Citizen Science für die Kartierung von Landschaftsveränderungen in arktischen Permafrostregionen / The Potential of Citizen Science for Mapping Landscape Change in Arctic Permafrost Regions.
AGIT Journal Angew. Geoinformatik, 2022

Leveraging OpenStreetMap and Multimodal Remote Sensing Data with Joint Deep Learning for Wastewater Treatment Plants Detection.
Int. J. Appl. Earth Obs. Geoinformation, 2022

OpenStreetMap Tools for Humanitarian Aid.
Proceedings of the XXIII Brazilian Symposium on Geoinformatics, 2022

2021
Quiet Route Planning for Pedestrians in Traffic Noise Polluted Environments.
IEEE Trans. Intell. Transp. Syst., 2021

Regional variations of context-based association rules in OpenStreetMap.
Trans. GIS, 2021

Room semantics inference using random forest and relational graph convolutional networks: A case study of research building.
Trans. GIS, 2021

An analysis of the spatial and temporal distribution of large-scale data production events in OpenStreetMap.
Trans. GIS, 2021

Analysing the Impact of Large Data Imports in OpenStreetMap.
ISPRS Int. J. Geo Inf., 2021

The Impact of Community Happenings in OpenStreetMap - Establishing a Framework for Online Community Member Activity Analyses.
ISPRS Int. J. Geo Inf., 2021

Mapping Public Urban Green Spaces Based on OpenStreetMap and Sentinel-2 Imagery Using Belief Functions.
ISPRS Int. J. Geo Inf., 2021

The Sketch Map Tool Facilitates the Assessment of OpenStreetMap Data for Participatory Mapping.
ISPRS Int. J. Geo Inf., 2021

Tagging the main entrances of public buildings based on OpenStreetMap and binary imbalanced learning.
Int. J. Geogr. Inf. Sci., 2021

Entwicklung eines Regressionsmodells für die Vollständigkeitsanalyse des globalen OpenStreetMap- Datenbestands an Nahverkehrs-Busstrecken / Development of a Regression Model for the Analysis of Local Bus Route Data Completeness on OpenStreetMap.
AGIT Journal Angew. Geoinformatik, 2021

Automatic mapping of national surface water with OpenStreetMap and Sentinel-2 MSI data using deep learning.
Int. J. Appl. Earth Obs. Geoinformation, 2021

Comparison of Simulated Fast and Green Routes for Cyclists and Pedestrians.
Proceedings of the 11th International Conference on Geographic Information Science, 2021

2020
A Multi-Sensor Fusion Framework Based on Coupled Residual Convolutional Neural Networks.
Remote. Sens., 2020

Towards Detecting Building Facades with Graffiti Artwork Based on Street View Images.
ISPRS Int. J. Geo Inf., 2020

Volunteered geographic information research in the first decade: a narrative review of selected journal articles in GIScience.
Int. J. Geogr. Inf. Sci., 2020

Data-driven approach to learning salience models of indoor landmarks by using genetic programming.
Int. J. Digit. Earth, 2020

Leveraging User Generated Geoinformation for Humanitarian Aid: Potentials and Challenges.
Proceedings of the 6th International Conference on Geographical Information Systems Theory, 2020

2019
Deep Learning From Multiple Crowds: A Case Study of Humanitarian Mapping.
IEEE Trans. Geosci. Remote. Sens., 2019

Feasibility of Using Grammars to Infer Room Semantics.
Remote. Sens., 2019

Mapping Human Settlements with Higher Accuracy and Less Volunteer Efforts by Combining Crowdsourcing and Deep Learning.
Remote. Sens., 2019

An exploratory analysis of usability of Flickr tags for land use/land cover attribution.
Geo spatial Inf. Sci., 2019

2018
A taxonomy of quality assessment methods for volunteered and crowdsourced geographic information.
Trans. GIS, 2018

A System for Generating Customized Pleasant Pedestrian Routes Based on OpenStreetMap Data.
Sensors, 2018

Enrichment of OpenStreetMap Data Completeness with Sidewalk Geometries Using Data Mining Techniques.
Sensors, 2018

Volunteered Geographic Information for Disaster Risk Reduction - The Missing Maps Approach and Its Potential within the Red Cross and Red Crescent Movement.
Remote. Sens., 2018

Graph-Based Matching of Points-of-Interest from Collaborative Geo-Datasets.
ISPRS Int. J. Geo Inf., 2018

Efficient Method for POI/ROI Discovery Using Flickr Geotagged Photos.
ISPRS Int. J. Geo Inf., 2018

3D WebGIS: From Visualization to Analysis. An Efficient Browser-Based 3D Line-of-Sight Analysis.
ISPRS Int. J. Geo Inf., 2018

OpenStreetMap data quality enrichment through awareness raising and collective action tools - experiences from a European project.
Geo spatial Inf. Sci., 2018

Routing through open spaces - A performance comparison of algorithms.
Geo spatial Inf. Sci., 2018

Do people communicate about their whereabouts? Investigating the relation between user-generated text messages and Foursquare check-in places.
Geo spatial Inf. Sci., 2018

Coupling maximum entropy modeling with geotagged social media data to determine the geographic distribution of tourists.
Int. J. Geogr. Inf. Sci., 2018

Assessing spatiotemporal predictability of LBSN: a case study of three Foursquare datasets.
GeoInformatica, 2018

Ohsome - eine Plattform zur Analyse raumzeitlicher Entwicklungen von OpenStreetMap-Daten für intrinsische QualitätsbewertungenOhsome - An OpenStreetMap History Analytics Platform for Intrinsic Quality Assessments.
AGIT Journal Angew. Geoinformatik, 2018

Towards Using the Potential of OpenStreetMap History for Disaster Activation Monitoring.
Proceedings of the 15th International Conference on Information Systems for Crisis Response and Management, 2018

Towards the Statistical Analysis and Visualization of Places (Short Paper).
Proceedings of the 10th International Conference on Geographic Information Science, 2018

2017
Monitoring and Assessing Post-Disaster Tourism Recovery Using Geotagged Social Media Data.
ISPRS Int. J. Geo Inf., 2017

Towards a Landmark-Based Pedestrian Navigation Service Using OSM Data.
ISPRS Int. J. Geo Inf., 2017

Highlighting Current Trends in Volunteered Geographic Information.
ISPRS Int. J. Geo Inf., 2017

Towards Detecting the Crowd Involved in Social Events.
ISPRS Int. J. Geo Inf., 2017

Partizipative Methoden zur Erfassung und Verarbeitung von Geoinformationen.
HMD Prax. Wirtsch., 2017

The OpenStreetMap folksonomy and its evolution.
Geo spatial Inf. Sci., 2017

Completeness of citizen science biodiversity data from a volunteered geographic information perspective.
Geo spatial Inf. Sci., 2017

Detecting repetitive structures on building footprints for the purposes of 3D modeling and reconstruction.
Int. J. Digit. Earth, 2017

Einsatz von OpenStreetMap-Daten zur Erstellung von Landnutzungsprodukten am Beispiel von OSM Landuse Landcover.
AGIT Journal Angew. Geoinformatik, 2017

Open land cover from OpenStreetMap and remote sensing.
Int. J. Appl. Earth Obs. Geoinformation, 2017

DeepVGI: Deep Learning with Volunteered Geographic Information.
Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Towards using Volunteered Geographic Information to monitor post-disaster recovery in tourist destinations.
Proceedings of the 14th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2017

A Framework of Quality Assessment Methods for Crowdsourced Geographic Information: a Systematic Literature Review.
Proceedings of the 14th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2017

Exploring the geographical context for quality assessment of VGI in flood management domain.
Proceedings of the 23rd Americas Conference on Information Systems, 2017

2016
Show Me the Data!: Structuring Archaeological Data to Deliver Interactive, Transparent 3D Reconstructions in a 3D WebGIS.
Proceedings of the 3D Research Challenges in Cultural Heritage II, 2016

Temporal Analysis on Contribution Inequality in OpenStreetMap: A Comparative Study for Four Countries.
ISPRS Int. J. Geo Inf., 2016

Defining Fitness-for-Use for Crowdsourced Points of Interest (POI).
ISPRS Int. J. Geo Inf., 2016

Guided Classification System for Conceptual Overlapping Classes in OpenStreetMap.
ISPRS Int. J. Geo Inf., 2016

Exploration of spatiotemporal and semantic clusters of Twitter data using unsupervised neural networks.
Int. J. Geogr. Inf. Sci., 2016

A polygon-based approach for matching OpenStreetMap road networks with regional transit authority data.
Int. J. Geogr. Inf. Sci., 2016

Echtzeitverkehrslage basierend auf OSM-Daten im OpenRouteService.
AGIT Journal Angew. Geoinformatik, 2016

GIS-Werkzeuge zur Verbesserung der barrierefreien Routenplanung aus dem Projekt CAP4Access.
AGIT Journal Angew. Geoinformatik, 2016

Entscheidungsunterstützung im Hochwassermanagement - Integration von Kritischer Infrastruktur und Notfallrouting auf der Basis freier Geodaten.
AGIT Journal Angew. Geoinformatik, 2016

MayaArch3D - webbasierte archäologische 3D-Visualisierung und Analyse.
AGIT Journal Angew. Geoinformatik, 2016

Leveraging OpenStreetMap to Support Flood Risk Management in Municipalities: A Prototype Decision Support System.
Proceedings of the 13th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2016

Where the Streets Have Known Names.
Proceedings of the Computational Science and Its Applications - ICCSA 2016, 2016

2015
An Introduction to OpenStreetMap in Geographic Information Science: Experiences, Research, and Applications.
Proceedings of the OpenStreetMap in GIScience - Experiences, Research, and Applications, 2015

Quality Assessment of the Contributed Land Use Information from OpenStreetMap Versus Authoritative Datasets.
Proceedings of the OpenStreetMap in GIScience - Experiences, Research, and Applications, 2015

Road-based travel recommendation using geo-tagged images.
Comput. Environ. Urban Syst., 2015

Twitter as an indicator for whereabouts of people? Correlating Twitter with UK census data.
Comput. Environ. Urban Syst., 2015

An Advanced Systematic Literature Review on Spatiotemporal Analyses of Twitter Data.
Trans. GIS, 2015

An Exploration of Future Patterns of the Contributions to OpenStreetMap and Development of a Contribution Index.
Trans. GIS, 2015

Quality Evaluation of VGI Using Authoritative Data - A Comparison with Land Use Data in Southern Germany.
ISPRS Int. J. Geo Inf., 2015

A local scale-sensitive indicator of spatial autocorrelation for assessing high- and low-value clusters in multiscale datasets.
Int. J. Geogr. Inf. Sci., 2015

A geographic approach for combining social media and authoritative data towards identifying useful information for disaster management.
Int. J. Geogr. Inf. Sci., 2015

Erstellung eines OSM-Straßengraphen mit TMC-LCL-Informationen.
AGIT Journal Angew. Geoinformatik, 2015

Towards assessing the quality of volunteered geographic information from OpenStreetMap for identifying critical infrastructures.
Proceedings of the 12th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2015

A Conceptual Quality Framework for Volunteered Geographic Information.
Proceedings of the Spatial Information Theory - 12th International Conference, 2015

2014
Taking Stock.
Trans. GIS, 2014

A Comprehensive Framework for Intrinsic OpenStreetMap Quality Analysis.
Trans. GIS, 2014

Quality assessment for building footprints data on OpenStreetMap.
Int. J. Geogr. Inf. Sci., 2014

Fine-resolution population mapping using OpenStreetMap points-of-interest.
Int. J. Geogr. Inf. Sci., 2014

Identifying elements at risk from OpenStreetMap: The case of flooding.
Proceedings of the 11th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2014

Does the spatiotemporal distribution of tweets match the spatiotemporal distribution of flood phenomena? A study about the River Elbe Flood in June 2013.
Proceedings of the 11th Proceedings of the International Conference on Information Systems for Crisis Response and Management, 2014

Explorative public transport flow analysis from uncertain social media data.
Proceedings of the 3rd ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information, 2014

TeleAgro+: analysis framework for agricultural telematics data.
Proceedings of the IWCTS 2014, 2014

Exploring the Geographical Relations Between Social Media and Flood Phenomena to Improve Situational Awareness - A Study About the River Elbe Flood in June 2013.
Proceedings of the Connecting a Digital Europe Through Location and Place, 2014

Estimation of Building Types on OpenStreetMap Based on Urban Morphology Analysis.
Proceedings of the Connecting a Digital Europe Through Location and Place, 2014

2013
Analyzing Human Activities Through Volunteered Geographic Information: Using Flickr to Analyze Spatial and Temporal Pattern of Tourist Accommodation.
Proceedings of the Progress in Location-Based Services, 2013

Adapting OSM-3D to the Mobile World: Challenges and Potentials.
Proceedings of the Progress in Location-Based Services, 2013

Indoor Route Planning with Volunteered Geographic Information on a (Mobile) Web-Based Platform.
Proceedings of the Progress in Location-Based Services, 2013

A dynamic and context-aware semantic mediation service for discovering and fusion of heterogeneous sensor data.
J. Spatial Inf. Sci., 2013

Semantic Interoperability of Sensor Data with Volunteered Geographic Information: A Unified Model.
ISPRS Int. J. Geo Inf., 2013

Toward mapping land-use patterns from volunteered geographic information.
Int. J. Geogr. Inf. Sci., 2013

Comparison of Volunteered Geographic Information Data Contributions and Community Development for Selected World Regions.
Future Internet, 2013

Processing crowd sourced sensor data: from data acquisition to application.
Proceedings of the CTS 2013, 2013

A mobile sensor data acquisition and evaluation framework for crowd sourcing data.
Proceedings of the 2nd ACM SIGSPATIAL International Workshop on Crowdsourced and Volunteered Geographic Information, 2013

The use of Volunteered Geographic Information (VGI) and Crowdsourcing in Disaster Management: a Systematic Literature Review.
Proceedings of the 19th Americas Conference on Information Systems, 2013

Publish/Subscribe System Based on Event Calculus to Support Real-Time Multi-Agent Evacuation Simulation.
Proceedings of the Geographic Information Science at the Heart of Europe, 2013

2012
Area-wide roof plane segmentation in airborne LiDAR point clouds.
Comput. Environ. Urban Syst., 2012

Taking Stock.
Trans. GIS, 2012

Real time query propagation strategies with Lightweight Coordination Calculus (LCC) for ad hoc networks of geospatial databases.
J. Netw. Comput. Appl., 2012

Analyzing the Contributor Activity of a Volunteered Geographic Information Project - The Case of OpenStreetMap.
ISPRS Int. J. Geo Inf., 2012

Towards Automatic Vandalism Detection in OpenStreetMap.
ISPRS Int. J. Geo Inf., 2012

Using Crowdsourced Geodata for Agent-Based Indoor Evacuation Simulations.
ISPRS Int. J. Geo Inf., 2012

Towards Defining a Framework for the Automatic Derivation of 3D CityGML Models from Volunteered Geographic Information.
Int. J. 3 D Inf. Model., 2012

The Street Network Evolution of Crowdsourced Maps: OpenStreetMap in Germany 2007-2011.
Future Internet, 2012

RIgeo.net - A Lab for Spatial Exploration of Historical Data.
Proceedings of the 7th Annual International Conference of the Alliance of Digital Humanities Organizations, 2012

Location-Based Services.
Proceedings of the Die Dynamik sozialer und sprachlicher Netzwerke, 2012

2011
Formal definition of a user-adaptive and length-optimal routing graph for complex indoor environments.
Geo spatial Inf. Sci., 2011

Interoperable integration of high precision 3D laser data and large scale geoanalysis in a SDI for Sutra inscriptions in Sichuan (China).
Proceedings of the Geoinformatik 2011 - Geochange: Konferenzband, Münster, 2011

2010
Generating web-based 3D City Models from OpenStreetMap: The current situation in Germany.
Comput. Environ. Urban Syst., 2010

Geoprozessîerung in Erneuerbaren Energien.
Proceedings of the Geoinformatik 2010 - Die Welt im Netz: Konferenzband, Kiel, 2010

2009
Interoperable processing of digital elevation models in grid infrastructures.
Earth Sci. Informatics, 2009

Towards interoperable atmospheric (air flow) models in Spatial Data Infrastructures using OGC Web Services - state of the art and research questions.
Proceedings of the Environmental Informatics and Industrial Environmental Protection, 2009

2008
Extending the OGC OpenLS Route Service to 3D for an interoperable realisation of 3D focus maps with landmarks.
J. Locat. Based Serv., 2008

Towards Standards-Based Processing of Digital Elevation Models for Grid Computing through Web Processing Service (WPS).
Proceedings of the Computational Science and Its Applications - ICCSA 2008, International Conference, Perugia, Italy, June 30, 2008

How to Define 3D Geoprocessing Operations for the OGC Web Processing Service (WPS)? Towards a Classification of 3D Operations.
Proceedings of the Computational Science and Its Applications - ICCSA 2008, International Conference, Perugia, Italy, June 30, 2008

Interoperable Routing Services in the Context of Evacuation Schemes due to Urban Flooding.
Proceedings of the Environmental Informatics and Industrial Ecology: Proceedings of the 22nd International Conference for Environmental Protection, 2008

2007
A visual editor for OGC SLD files for automating the configuration of WMS and mobile map applications.
Proceedings of the Location Based Services and TeleCartography, 2007

Vector based Mapping of Polygons on Irregular Terrain Meshes for Web 3D Map Services.
Proceedings of the WEBIST 2007, 2007

OGC Web Processing Service Interface for Web Service Orchestration Aggregating Geo-processing Services in a Bomb Threat Scenario.
Proceedings of the Web and Wireless Geographical Information Systems, 2007

2006
Implementing adaptive mobile GI services based on ontologies: Examples from pedestrian navigation support.
Comput. Environ. Urban Syst., 2006

How do location-based services hit Google?
Comput. Environ. Urban Syst., 2006

2005
Using Styled Layer Descriptor (SLD) for the Dynamic Generation of User- and Context-Adaptive Mobile Maps - A Technical Framework.
Proceedings of the Web and Wireless Geographical Information Systems, 2005

MOBILE MAPS 2005 interactivity and usability of map-based mobile services.
Proceedings of the 7th Conference on Human-Computer Interaction with Mobile Devices and Services, 2005

Finding geodata that otherwise would have been forgotten - GeoXchange: a SDI-based portal for sharing free geodata.
Proceedings of the 2005 Workshop On Geographic Information Retrieval, 2005

2004
Supporting Multi-Modal Interfaces for Adaptive Tour Planning.
Ann. GIS, 2004

2003
Generation of VRML city models for focus based tour animations: integration, modeling and presentation of heterogeneous geo-data sources.
Proceedings of the Proceeding of the Eighth International Conference on 3D Web Technology, 2003

Anforderungen an mobile Geo-Datenbanken für Katastropheninformations- und -warnsysteme.
Proceedings of the Persistence, Scalability, Transactions, 2003

Location-based Mobile Tourist Services - First User Experiences.
Proceedings of the Information and Communication Technologies in Tourism, 2003

2002
Using Focus Maps to Ease Map Reading - Developing Smart Applications for Mobile Devices.
Künstliche Intell., 2002

Intelligent Systems for Tourism.
IEEE Intell. Syst., 2002

Realisierung eines mobilen Geodatenservers für PDAs auf der Basis von Standards des OpenGIS-Consortiums.
Proceedings of the Tagungsband Workshop Mobile Datenbanken und Informationssysteme, 2002

User-Adaptive Maps for Location-Based Services (LBS) for Tourism.
Proceedings of the Information and Communication Technologies in Tourism, 2002

2001
TGML - extending GML by Temporal Constructs - A Proposal for a Spatiotemporal Framework in XML.
Proceedings of the ACM-GIS 2001, 2001

Developing Location Based Services for Tourism. The Service Providers' View.
Proceedings of the Information and Communication Technologies in Tourism, 2001


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