| MediaWiki Users and Developers Conference Fall 2025
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| Conference details
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| Start: |
October 28, 2025
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| Finish: |
October 30, 2025
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| General Chair: |
Tim Wittenborg
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| Local Chair: |
Katrin Hanebutt, Jeffrey Wang
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| Program Chair: |
Lozana Rossenova, Florian Thiery
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| Financial Chair: |
Eric-Jan van Kakerken
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| Sponsorship Chair: |
Bernhard Krabina
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| Feed: |
RSS feed, Atom feed
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| Wikidata-ID: |
Q136294579
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| Address
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Leibnizhaus Guest house of the Hannover Universities, Hannover, Germany,
Leibnizhaus, Holzmarkt 5, 30159 Hannover, Germany
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| Table of Contents
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The 4th MediaWiki Users and Developers Conference brings together developers, users, and organizations from the MediaWiki and Semantic MediaWiki community around the world.
October 28–30, 2025, Hanover, Germany
Conference audience and mission[edit]
The MediaWiki Users and Developers Conference will be a three-day conference featuring discussions of topics related to the use of (Semantic) MediaWiki software within companies, non-profits, governments, organizations, and communities, including the Semantic MediaWiki community. If you use MediaWiki or are interested in it, we would love to see you attend.
This conference aims to:
- inspire/onboard new users,
- inform on where and how MediaWiki is used,
- convey and consolidate best practices,
- initiate/foster/integrate application and development and
- strengthen the community of stakeholders and its service portfolio.
Learn how to "do" MediaWiki to assume your responsibilities regarding your organization's knowledge management.
Please also refer to the following pages for further details:
Program[edit]
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10:00
30 min.
A very quick and easy to follow tutorial on how to create a Knowledge Base with Open CSP
10:30
60 min.
An introduction to two MediaWiki extensions, Page Forms and Cargo, and how they can work together; with an opportunity to ask questions and receive support.
11:30
25 min.
This tutorial gives an introduction of the currently available MWStakeComponents and show how to use them in a MediaWiki extension
13:00
30 min.
Welcome by the Conference General Chair (10 mins).
Welcome by Prof Dr Maria-Esther Vidal, Head of Scientific Data Management at TIB (10 mins).
Welcome by the Conference Program Chair (10 mins).
15:00
25 min.
Introduction to new extensions and components that allow integration of MediaWiki with external chat tools like MS Teams and Slack, as well as AI/RAG services.
15:25
15 min.
We've added some features for FlexForm especially for really large wikis
15:40
10 min.
A very small extension that can be used to find parsoid incompatible parser functions
15:50
30 min.
Discussing the use cases, design choices and performance optimizations behind Bucket, a brand new data-management extension
16:30
30 min.
A talk about the Recommended Revisions initiative, how it is currently used (including in Canasta and Springboard), and how it could be used in the future.
17:00
30 min.
Discover the open-source Wikibase extensions that you can use to enhance your Wikibase.
18:00
120 min.
We have made a reservation at: Bavarium, Windmühlenstraße 6, 30159 Hannover, 10 min. walk from the conference. This is not an official conference event, so you have to pay on your own.
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9:30
20 min.
The Service Office (central contact point) of the Austrian Federal Ministry of Innovation, Mobility and Infrastructure (BMIMI) is using MediaWiki as a knowledge base.
9:50
20 min.
[[Thomas Gruber|]]
This talk will present the current state how Mediawiki is used within Helmholtz-Zentrum Dresden - Rossendorf (HZDR), a federal funded research centre. It will show which extensions are used, which are the most used features and how it in integrated into the infrastructure.
10:10
20 min.
From Irish Ogham stones to software registries, this talk highlights how Wikibase enables community participation, semantic modelling, and FAIR data practices across GLAM and Metadata Catalogues. Real-world use cases illustrate how Wikibase instances interconnect as sustainable hubs in an interdisciplinary knowledge ecosystem.
11:00
20 min.
The Horizon Europe project ECHOLOT (European Cultural Heritage Optimized Linked Open Tools) will be funded under the call "Leverage the digital transition for competitive European cultural and creative industries"
The talk will reveal what can become a game changer for the third party MediaWiki users, especially in the cultural heritage sector.
11:40
20 min.
[[Lucia Sohmen|]]
This talk will be about developing, uploading and maintaining a data model for research data in Wikibases.
13:00
30 min.
OpenResearch.org is a Semantic MediaWiki–powered platform that turns scattered research-event information into structured, queryable knowledge. Built by and for the research community, it captures conferences, workshops, tracks, CFPs, program committees, proceedings, venues, and organizations with rich, linked data. This talk shows how we model scholarly events, reuse vocabularies, and expose data through templates, forms, and SPARQL-style queries. We demo common workflows (creating an event, importing CFPs, generating calendars), discuss quality control and bots, and show how others can integrate with ORCID, Wikidata, and external services.
13:30
20 min.
Creating a content management system in (semantic) MediaWiki
13:50
10 min.
A demo‐driven talk showing how Wikibase DMS makes document management fast, secure, and intuitive. Learn how metadata, search & filter facets, previews, version control, and ISO-27001 compliance work together so that you can reliably locate any document in three clicks.
14:00
30 min.
ContactManager aims to be a "knowledge-webmail" entirely based on MediaWiki and VisualData, through which to store, catalogue and organize email correspondence of multiple mailboxes, with automatic import and bulk-send of email to categories of contacts.
15:00
30 min.
Search wiki content with natural language using Retrieval augmented generation. An implementation with llamaIndex connected to Wikibase content and mediawiki articles.
15:50
30 min.
Continuing my talk in May about vibe coding to show how new agent-mode tools like Cursor and Copilot transform AI-assisted coding, and why the MediaWiki community should adopt best practices for organizing extensions.
16:30
60 min.
Wikibase, Federation and the Future – keynote by Tom Arrow (Wikimedia Germany) (45 mins).
Q&A (15 mins).
19:30
120 min.
The Conference Dinner will take place at: Ständige Vertretung, Friedrichswall 10 - 30159 Hannover
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9:30
15 min.
How do you best turn semantic data into graphs? This talk compares KnowledgeGraph (interactive, vis-network.js, with a visual designer) and the Graph result format from Semantic Result Formats (static, Graphviz-based). We will look at strengths, limitations, and when to use which approach.
9:45
30 min.
[[RheingoldRiver|]]
How wiki.gg uses a modular framework to make main pages easy
10:15
15 min.
[[Audiodude|]]
We explore the use of a wiki page combined with a barebones MediaWiki extension for community management of "short links"/"go links"
11:00
10 min.
Risk analysis on using Semantic MediaWiki, and short discussion about the future of development.
11:10
20 min.
Learn how our Docker-based solution helps set up and manage research databases using MediaWiki, Wikibase, and their extensions through a configuration system.
11:30
25 min.
An experience report of the Hallo Welt / BlueSpice team, about our efforts to prepare the BlueSpice MediaWiki Distribution for the BITV test.
12:00
10 min.
Idea for a Workflow that combines MediaWiki Playground and the MCP Server to a workflow with preview and proper approved transactions.
12:10
20 min.
A short overview over some wikibase.cloud use-cases and an open discussion on future analysis and perspectives.
14:00
120 min.
We offer two social activities in the final afternoon of the conference:
1. Guided tour of the Ihme Zentrum – an architectural and historical landmark of the post-WWII development of the city of Hannover.
2. Guided tour of the TIB archives and collections - founded in 1959 to collect scientific information in a central location and make it available to science and industry in Germany.
Content retained for memory lange, however, hidden since no longer of value for the current conference.
Registration[edit]
Attending online will be possible via YouTube live stream. No tickets are required to attend online.
| Rates
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Professional
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Freelancer / Student / Academia
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MWStake Member(1)
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| Early bird (until September 15)
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€ 400
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€ 200
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15% discount
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| Regular (starting September 16)
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€ 450
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€ 250
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15% discount
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| Online (3)
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Free of charge (no ticket required)
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Free of charge (no ticket required)
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Free of charge (no ticket required)
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- (1) How to become an individual Member of the MediaWiki Stakeholders' Group (USD 100 per year) is explained here. Discount codes will be sent to MWStake members via email.
Local accommodations[edit]
The officially recommended hotels are the following:
- Full-service hotel option: Mercure Hotel Hannover Mitte. It is a 16-minute walk from the Leibniz House. Group rates ended on 5 October. You can now book at regular rates through your preferred channels, such as directly with Accor or via Booking.com, Expedia, etc.
- Budget hotel option: Hotel an der Marktkirche. It is a 4-minute walk from the Leibniz House. Single-person rooms start at 55€/night. There are no special rates negotiated. As of early October, availability is running very low at this establishment, and you may need to start looking elsewhere if you want to stay on a budget. You can book on your favorite online travel booking site, such as Booking.com or Expedia.
Each accommodation has been carefully selected for the comfort and convenience of our attendees.
Special guide for Americans[edit]
If you are not too familiar with visiting Europe, the local chair (himself an American) has written a guide for you!
Scholarships[edit]
Scholarships are provided for this conference. They cover the full cost of the conference ticket, but transportation and lodging are still the attendees' responsibility. For more information, including how to apply, please visit mediawikiwiki:MediaWiki Users and Developers Conference/Scholarships. The deadline to apply is 30 September 2025.
Thank you to the sponsors of MediaWiki Users and Developers Conference Fall 2025!
ArchiXL
Specialists in enterprise architecture, knowledge management, and semantics
Hallo Welt!
The company behind BlueSpice, the open-source enterprise wiki software
MyWikis Europe
GDPR compliant (Semantic) MediaWiki hosting from the heart of Europe.
Professional Wiki
(Semantic) MediaWiki and Wikibase experts. Hosting, development, styling, and more
COGNEON
Helping individuals and organizations to be successful in the digitally connected knowledge society of the 21st century.
Organization[edit]
SMW on Facebook, 
MWStake on Mastodon, 
SemanticMW on X, 
Semantic MediaWiki on YouTube. Hashtags on 
