News

LocWeb2023 at WWW

The 13th International Workshop on Location and the Web
April/May 2023 Workshop is cancelled

In conjunction with The Web Conference WWW 2023, April 30-May 04 2023, Austin/Online

Workshop Website

LocWeb2022 at WWW

The 12th International Workshop on Location and the Web
April 2022

In conjunction with The Web Conference WWW 2022, April 25-29 2022, Online/Lyon

Workshop Website

Scriptorium

2023
Book
How to PED — The +CityxChange Cookbook: Experiences and Guidelines on Positive Energy Districts
Editors: Dirk Ahlers, Kelly Riedesel, Taliah Dommerholt, Samir Amin. Contributors / Authors: Dirk Ahlers, Kelly Riedesel, Taliah Dommerholt, Samir Amin, Annemie Wyckmans, Elisa Junqueira de Andrade, Bjørn Ove Berthelsen, Klaus Livik, Kieran Reeves, Miloš Prokýšek, Tudor Drambarean, Siim Meeliste, Eftima Petkova, Borislava Spasova, Andy Bäcker, Helena Fitzgerald, Sander Smit, Tor Rune Skoglund, Gary Brennan, Erik Næss Guldbrandsøy, Ella-Lovise Hammervold Rørvik, Mette Rostad, Bernhard Kvaal.
2023
InProceedings
Towards understanding digital support contributing to climate neutral, inclusive, and beautiful cities: A systematic literature review
Alicia JW Takaoka, Dirk Ahlers, Ferdinand Ward Ådlandsvik, Eivind Syrdalen Dovland, Letizia Jaccheri
2023
IEEE.
2022
Article
The Sense and Non-Sense of PEDs — Feeding Back Practical Experiences of Positive Energy District Demonstrators into the European PED Framework Definition Development Process
Han Vandevyvere, Dirk Ahlers, Annemie Wyckmans
2022
Energies 2022, 15(12), 4491. Special Issue "Advanced Energy Systems in Zero/Positive Energy Buildings, Communities and Districts"
[doi] [pdf @mdpi] [bib] [Gold OA CC-BY4.0]
Article
Energy Citizenship in Positive Energy Districts — Towards a transdisciplinary approach to impact assessment
Mark van Wees, Beatriz Pineda Revilla, Helena Fitzgerald, Dirk Ahlers, Natalia Romero, Beril Alpagut, Joke Kort, Cyril Tjahja, Gabi Kaiser, Viktoria Blessing, Lia Patricio, Sander Smit
2022
Buildings. Special Issue "Buildings, Infrastructure and SDGs 2030".
Extended version of proceedings paper.
[doi] [pdf @mdpi] [Gold OA CC-BY4.0]
Article/Newsletter
Report on the 12th International Workshop on Location and the Web (LocWeb 2022) at WWW2022
Dirk Ahlers, Erik Wilde
2022
Proceedings
LocWeb 2022 — Proceedings of the 12th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde
2022
Held at WWW2022.
2021
Article/Newsletter
Report on the 11th International Workshop on Location and the Web (LocWeb 2021) and the 11th Temporal Web Analytics Workshop (TempWeb2021) at WWW2021
Dirk Ahlers, Erik Wilde, Marc Spaniol, Ricardo Baeza-Yates, Omar Alonso
2021
Article
Approaches to Social Innovation in Positive Energy Districts (PEDs) — A Comparison of Norwegian Projects
Daniela Baer, Bradley Loewen, Caroline Cheng, Judith Thomsen, Annemie Wyckmans, Alenka Temeljotov-Salaj, Dirk Ahlers
2021
Sustainability, 13: 7362. Special Issue: Sustainable Integrated Planning of Positive Energy Districts.
[doi] [pdf @mdpi] [pdf postprint] [bib] [Gold OA CC-BY4.0]
Article
Energy Citizenship in New Energy Concepts
Mark van Wees, Beatriz Pineda Revilla, Helena Fitzgerald, Dirk Ahlers, Natalia Romero, Beril Alpagut, Joke Kort, Cyril Tjahja, Gabi Kaiser, Viktoria Blessing, Lia Patricio, Sander Smit
2021
Environmental Sciences Proceedings. 11(1):27. MDPI. Proceedings of The 9th Annual Edition of Sustainable Places (SP 2021). Workshop report, held by SCC1 projects at Sustainable Places 2021.
[doi] [pdf @mdpi] [bib] [Gold OA CC-BY4.0]
InProceedings
Searching in the Smart City? — An Information Access Challenge
Dirk Ahlers
2021
DESIRES 2021 — 2nd International Conference on Design of Experimental Search & Information REtrieval Systems
[pdf @CEUR] [pdf postprint] [slides] [bibtex] [Gold OA CC-BY4.0]
Keynote & Abstract
Stakeholders in Positive Energy District Development — +CityxChange Examples
Dirk Ahlers
2021
[slides]
Abstract
Challenges in Replication and Scaling of PEDs: Technical and Organisational Partnerships
Dirk Ahlers, Annemie Wyckmans
2021
Nordic Edge/UiS Research Symposium on Smart Cities — Session: Positive Energy Districts as vehicle towards smart and sustainable cities
Article
Modeling Pervasive Platforms and Digital Services for Smart Urban Transformation Using an Enterprise Architecture Framework
Anthony Bokolo Jr, Sobah Abbas Petersen, Markus Helfert, Dirk Ahlers, John Krogstie
2021
Information Technology & People, Vol. 34 No. 4.
TechReport
Report on the Architecture for the ICT Ecosystem
S. A. Petersen, A. Jr. Bokolo, D. Ahlers, J. Krogstie, A. Shams, M. Helfert, I. Alloush, and Z. Pourzolfaghar
Deliverable D1.2. +CityxChange project.
2021
[pdf]
Proceedings
LocWeb 2021 — Proceedings of the 11th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi
2021
Held at WWW2021.
2020
InProceedings
Making Sense of the Urban Future: Recommendation Systems in Smart Cities
Dirk Ahlers
2020
ComplexRec2020, Fourth Workshop on Recommendation in Complex Environments @ RecSys2020
[preprint pdf] [pdf (at CEUR)] [CC BY 4.0] [bibtex] [slides]
InProceedings
Challenges of Sustainable Urban Mobility Integration
Dirk Ahlers
2020
DTFFSM'20, International Workshop on Designing Technologies for Future Forms of Sustainable Mobility @ MobileHCI’20
News
Co-creation of smart sustainable cities — The 5G SOLUTIONS project
Per Jonny Nesse, Håkon Lønsethagen, Annemie Wyckmans, Dirk Ahlers
2020
EURESCOM message, Winter 2020: ICT for Smart Sustainable Cities
[pdf]
Whitepaper
Positive Energy Districts Solution Booklet
Han Vandevyvere (ed.), Dirk Ahlers, Beril Alpagut, Veronika Cerna, Vincenzo Cimini, Sindi Haxhija, Mari Hukkalainen, Michal Kuzmic, Klaus Livik, Marielisa Padilla, Marije Poel, Cecilia Sanz Montalvillo, Socrates Schouten, Marit Teigen Myrstad, Mark van Wees, Karen Williams, Annemie Wyckmans, Andrea Gabaldon, Nora Fernandez Perez, Sari Hirvonen Kantola, Sophie Dourlens, Els Struiving.
2020
SCIS EU Smart Cities Information System
Article
Big Data Driven Multi-Tier Architecture for Electric Mobility as a Service in Smart Cities: A Design Science Approach
Anthony Bokolo Jr, Sobah Abbas Petersen, Dirk Ahlers, John Krogstie
2020
International Journal of Energy Sector Management, 14(5)
Article
The Governance Approach of Smart City Initiatives. Evidence from Trondheim, Bergen, and Bodø
Savis Gohari, Dirk Ahlers, Brita F. Nielsen, Eivind Junker
2020
Infrastructures, 5(4), Special Issue: Smart Cities and Infrastructures
[doi] [pdf] [bib] [CC-BY4.0]
Chapter
Co-Creating Local Energy Transitions Through Smart Cities: Piloting a Prosumer-Oriented Approach
Tjark Gall, Giulia Carbonari, Annemie Wyckmans, Dirk Ahlers
2020
Whitepaper
Citizen Engagement Solution Booklet
Jelle Jaubin (ed.), Dirk Ahlers, David Crombie, Savis Gohari Krangsås, Roel Massink, Eda Ozdek, Leen Peeters, Willem-Jan Renger, Maria Sangiuliano, Agata Smok, Annemie Wyckmans, Han Vandevyvere, John Zib.
2020
SCIS EU Smart Cities Information System
[pdf]
InProceedings
A Cost Model for Data Discovery in Large-Scale IoT Networks of Smart Cities
Torbjørn Kirkevik Soltvedt, Amir Sinaeepourfard, Dirk Ahlers
2020
3SCity-E2C - The First International Workshop on Building Software Services in Smart City through Edge-to-Cloud orchestration @ IEEE MDM2020
[doi] [ieee] [bib]
Proceedings
LocWeb 2020 — Proceedings of the 10th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi
2020
Held at WWW2020.
2019
InProceedings/Article
Co-Creation of Positive Energy Blocks
Dirk Ahlers, Patrick Driscoll, Håvard Wibe, Annemie Wyckmans
2019
[pdf] [pdf preprint] [bib] [slides] [doi] [Gold OA, CC-BY3.0]
InProceedings
Sustainable Smart City Development in a Framework of Governance
Savis Gohari, Eivind Junker, Dirk Ahlers, Brita F. Nielsen
2019
Article
Big Data-Oriented Energy Prosumption Service in Smart Community Districts: A Multi-Case Study Perspective
Anthony Bokolo Jr, Sobah Abbas Petersen, Dirk Ahlers, John Krogstie, Klaus Livik
2019
Energy Informatics 2(36)
[doi] [bib] [pdf open access] [CC-BY4.0]
Article
API deployment for big data management towards sustainable energy prosumption in smart cities - a layered architecture perspective
Anthony Bokolo Jr, Sobah Abbas Petersen, Dirk Ahlers, John Krogstie
2019
International Journal of Sustainable Energy 39(3)
InProceedings
Value-Added Services, Virtual Enterprises and Data Spaces inspired Enterprise Architecture for Smart Cities
Sobah Abbas Petersen, Zohreh Pourzolfaghar, Iyas Alloush, Dirk Ahlers, John Krogstie, Markus Helfert
2019
InProceedings
D2C-SM: Designing a Distributed-to-Centralized Software Management Architecture for Smart Cities
Amir Sinaeepourfard, Sobah Abbas Petersen, Dirk Ahlers
2019
InProceedings
F2c2C-DM: A Fog-to-cloudlet-to-Cloud Data Management Architecture in Smart City
Amir Sinaeepourfard, John Krogstie, Sobah Abbas Petersen, Dirk Ahlers
2019
[doi] [bib] [pdf]
Proceedings
LocWeb '19 — Proceedings of the 9th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi
2019
Held at WWW2019.
2018
InProceedings
Analysis and Visualization of Urban Emission Measurements in Smart Cities
Dirk Ahlers, Frank Kraemer, Anders Eivind Braten, Xiufeng Liu, Fredrik Anthonisen, Patrick Driscoll, John Krogstie
2018
Demo Track.
[pdf preprint] [pdf (Gold OA)] [doi] [bib] [CC-by-nc-nd 4.0]
Article/Newsletter
Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi
2018
InProceedings
Harnessing Mobility Data in Cities: A Case Study From the Bergen Region
Dirk Ahlers, Rajendra Akerkar, John Krogstie, Andreas L. Opdahl, Bjørnar Tessem, Weiqing Zhang
2018
TechReport
James Kallaos, Andrew Sudmant, Patrick Driscoll, Dirk Ahlers, Andy Gouldson
c-valuate project.
2018
[pdf]
TechReport
M. K. Wiik, S. M. Fufa, J. Krogstie, D. Ahlers, A. Wyckmans, P. Driscoll, H. Brattebø, A. Gustavsen
2018
ZEN Report 7.
[pdf]
Proceedings
LocWeb '18 — Proceedings of the 8th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Rossano Schifanella, Jalal S. Alowibdi, Muhammad Zubair Shafiq
2018
Held at WWW2018.
2017
InProceedings
Linkage Quality Analysis of GeoNames in the Semantic Web
Dirk Ahlers
2017
InProceedings
Poisson Factorization Models for Spatiotemporal Retrieval
Eliezer de Souza da Silva, Dirk Ahlers
2017
Presentation
Urban Emission and Greenhouse Gas Monitoring: Multidisciplinary Technical and Organizational Considerations
Dirk Ahlers, Patrick Driscoll, John Krogstie
2017
Proceedings
LocWeb '17 — Proceedings of the 7th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde
2017
Held at WWW2017.
InProceedings
Dirk Ahlers, John Krogstie, Patrick Driscoll, Hans-Einar Lundli, Simon-James Loveland, Carsten Rothballer, Annemie Wyckmans
2017
Business Process Management Workshops 2016 14th International Conference on BPM 2016, Revised Papers. LNBIP vol.281, Springer.
2016
InProceedings
Understanding Smart Cities as Social Machines
Dirk Ahlers, Patrick Driscoll, Erica Löfström, John Krogstie, Annemie Wyckmans
2016
InProceedings
Dirk Ahlers, Patrick Driscoll, Frank Alexander Kraemer, Fredrik Anthonisen, John Krogstie
2016
InProceedings
Bogdan Glogovac, Mads Simonsen, Silje Ström Solberg, Erica Löfström, Dirk Ahlers
2016
InProceedings
Supporting Municipal Greenhouse Gas (GHG) Emission Inventories Using Business Process Modeling: A Case Study of Trondheim Municipality
Dirk Ahlers, John Krogstie, Patrick Driscoll, Hans-Einar Lundli, Simon-James Loveland, Carsten Rothballer, Annemie Wyckmans
2016
InProceedings
Dirk Ahlers, Patrick Driscoll
2016
Short Paper. Session Sustainable Technology Management.
Talk
CTT2.0 Carbon Track and Trace. Stop Guessing, Start Measuring.
Dirk Ahlers
2016
Invited talk at the Northeast Asian Air Quality Improvement Forum, Seoul, Republic of Korea, 19.-20.05.2016. Organized by East Asia Clean Air Cities EACAC.
[slides]
Proceedings
LocWeb '16 — Proceedings of the 6th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Bruno Martins
2016
Held at WWW2016.
InProceedings
Dirk Ahlers, Kristoffer Gebuhr Aulie, Jeppe Eriksen, and John Krogstie
2015
Chapter
LEAP Collaboration System
Kjetil Kristensen, John Krogstie, Dirk Ahlers, Mahsa Mehrpoor
2016
The Methods and Tools of the Linked Engineering and Manufacturing Platform (LEAP), Chapter 5.
Chapter
LEAP Virtual Obeya
Monica Rossi, Matteo Cocco, Sergio Terzi, Kjetil Kristensen, Simone Parotta, John Krogstie, Dirk Ahlers
2016
The Methods and Tools of the Linked Engineering and Manufacturing Platform (LEAP), Chapter 7.
InProceedings
Dirk Ahlers
TinyToCS Vol. 4,
2016
[pdf] [CC BY-NC-SA 3.0] [bib] []
2015
InProceedings
Expanding the Utility of Geospatial Knowledge Bases by Linking Concepts to WikiText and to Polygonal Boundaries
Bruno Martins, Francisco J. López-Pellicer, Dirk Ahlers
2015
[doi] [pdf] [pdf@acm] [bib]
InProceedings
Dirk Ahlers, Mahsa Mehrpoor, Kjetil Kristensen, John Krogstie
2015
Proceedings
LocWeb '15 — Proceedings of the 5th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Bruno Martins
2015
Held at WWW2015.
InProceedings
Geospatial Grounding of the Web Graph
Dirk Ahlers
2015
Poster
InProceedings
Mahsa Mehrpoor, Jon Atle Gulla, Dirk Ahlers, Kjetil Kristensen, Soroush Ghodrat, Ole Ivar Sivertsen
ECKM2015, 16th European Conference on Knowledge Management
2015
Article/Newsletter
Report on the Fourth Workshop on Location and the Web (LocWeb 2014)
Dirk Ahlers, Erik Wilde, Bruno Martins
2015
2014
Proceedings
LocWeb '14 — Proceedings of the 4th International Workshop on Location and the Web
Dirk Ahlers, Erik Wilde, Bruno Martins
2014
Held at CIKM 2014
InProceedings
LocWeb — 4th International Workshop on Location and the Web. CIKM 2014 Workshop Summary.
Dirk Ahlers, Erik Wilde, Bruno Martins
2014
Talk
Quick Intro to Geographic Information Retrieval
Dirk Ahlers
Talk at BigData Trondheim
2014
[slides]
InProceedings
Spatio-Temporal Quality Issues for Local Search
Dirk Ahlers
2014
Poster
2013
Article
Dirk Ahlers
Revista Colombiana de Computación - RCC, Volumen 13-2.
2012
[pdf] [CC BY 3.0] [bibtex]
Chapter
Dirk Ahlers, Philipp Sandhaus, Susanne Boll
Internet Multimedia Search and Mining, Hua, X., Worring, M., and Chua, T., Eds., Bentham Science
2013,
2012
InProceedings
Multi-source conflating index construction for local search in a low-coverage country
Dirk Ahlers
2012
InProceedings
On finding cross-lingual article pairs
Dirk Ahlers
TinyToCS Vol. 1,
2012
[pdf] [CC BY-NC-SA 3.0] [bib] []
InProceedings
Dirk Ahlers, José Matute, Isaac Martinez, Chandan Kumar
2012
Short Paper
[pdf] [bibtex]
InProceedings
Chandan Kumar, Dirk Ahlers, Susanne Boll
2012
[pdf] [bibtex]
TechReport
Buscador Geoespacial para Honduras
Dirk Ahlers
Unitec Revista Postgrado.
2012
To appear
Chapter
Dirk Ahlers
Web Search Engine Research, Dirk Lewandowski, Ed., Series Library and Information Science, Emerald.
2012
2011
Talk
(Re)Search -- There is Geo in the Web
Dirk Ahlers
Unitec Guest Lecture
2011
Talk
Geo and the Web
Dirk Ahlers
BarCamp 4.0 Unitec
2011
Dissertation
PhDThesis/Book
Dirk Ahlers
OlWIR Verlag, Oldenburg Computer Science Series,
2011
214 p., ISBN: 978-3-939704-69-0. PhD thesis, University of Oldenburg, 2011.
2010
Defense
Dirk Ahlers
Universität Oldenburg
2010
[Thesis defense, 2010]
Chapter
Loccata – Entwicklung eines mobilen Wanderführers im Montafon
Susanne Boll, Daniel Wichmann, Dirk Ahlers, Jochen Meyer, Franz Rüf
mTourism – Mobile Dienste im Tourismus
2010.
Session
Credibility in GIR
Dirk Ahlers
2010.
Discussion session
2009
Article
Dirk Ahlers, Susanne Boll
i-com – Zeitschrift für interaktive und kooperative Medien
2009
InProceedings
On the Accuracy of Online Geocoders
Dirk Ahlers, Susanne Boll
2009
2008
InProceedings
Ortsbasierte Websuche im Automobil
Dirk Ahlers, Susanne Boll, Andreas Ebert, Jens Fliegner, Martin Hofmann
2008
InProceedings
Applying Tactile Displays to Automotive User Interfaces
Martin Pielot, Dirk Ahlers, Amna Asif, Wilko Heuten, Susanne Boll
Workshop on Automotive User Interfaces and Interactive Applications (AUIIA 08) held at Mensch & Computer 2008
2008
Talk
Geographisch Fokussierte Websuche
Dirk Ahlers, Susanne Boll
2008
(Talk)
InProceedings
Urban Web Crawling
Dirk Ahlers, Susanne Boll
First International Workshop on Location and the Web (LocWeb2008) at WWW2008
2008
[doi] [bibtex] [pdf] [Also see improved method]
InProceedings
A Web more Geospatial: Insights into the Location Inside
Susanne Boll, Dirk Ahlers
Workshop on Understanding Web Evolution: A Prerequisite for Web Science (WebEvolve2008) at WWW2008
2008
InProceedings
Dirk Ahlers, Susanne Boll, Daniel Wichmann
2008
[pdf] [bibtex]
InProceedings
Dirk Ahlers, Martin Pielot, Daniel Wichmann, Susanne Boll
5th Workshop on Positioning, Navigation and Communication WPNC'08
2008
[pdf] [doi] [bibtex]
InProceedings
Dirk Ahlers, Susanne Boll
International Conference on Multimedia Modeling MMM2008,
LNCS vol 4903/2008, Springer
2008
2007
Article
Geospatially Focused Web Crawling
Dirk Ahlers, Susanne Boll
Datenbankspektrum, Special Issue Focused Search (Fokussierte Suche)
2007
[bibtex]
Chapter
Dirk Ahlers, Susanne Boll
The Geospatial Web. How Geo-Browsers, Social Software and the Web 2.0 are Shaping the Network Society. Arno Scharl, Klaus Tochterman (Eds.), Springer
2007
Poster
MontaPhone — Location-based Mobile Hiking Narratives
Dirk Ahlers, Susanne Boll, Daniel Wichmann
Poster at GI-Days 2007, Münster, Germany
2007
Poster & talk
LAW3 — Location Aware World Wide Web: An architecture for rapid geographical data acquisition from the WWW
Jochen Meyer, Dirk Ahlers
Poster at Fourth Heidelberg Innovation Forum 2007
2007
Seminar
Modular reusable software components for mobile applications
Dirk Ahlers, Daniel Wichmann
2007
2006
Chapter
Ortsbasierte Suche im Internet
Norbert Rump, Dirk Ahlers
Niccimon – Das Niedersächsische Kompetenzzentrum Informationssysteme für die Mobile Nutzung – Bericht und Ausblick.
2006
Article
Web-based tools for data analysis and quality assurance on a life-history trait database of plants of Northwest Europe
Stadler, M., Ahlers, D., Bekker, R.M., Finke, J., Kunzmann, D., Sonnenschein, M.
Environmental Modelling & Software 21, pp. 1536-1543, 2006
2006
[pdf] [doi] [bibtex]
2005
InProceedings
Dirk Ahlers, Jens Finke, Michael Stadler, Michael Sonnenschein
Proceedings of EnviroInfo 2005
2005
2004
Thesis
Entwicklung einer webbasierten Reviewing-Komponente für eine ökologische Pflanzendatenbank
Diplomarbeit in der Umweltinformatik (Prof. Dr. M. Sonnenschein)
11/2004