Programme - IIPC

IIPC GENERAL ASSEMBLY

Tuesday, 8 April 2025

*all times in CEST

09:40am

OPENING REMARKS: Olga Holownia, IIPC & Jon Carlstedt Tønnessen, National Library of Norway

09:50am

CHAIR ADDRESS: Jeffrey van der Hoeven, National Library of the Netherlands (KB)

10:00am

IIPC STRATEGIC PLAN 2026 - 2030
Jeffrey van der Hoeven, National Library of the Netherlands (KB) - IIPC Chair
Bjarne Andersen, Royal Danish Library - IIPC Treasurer
Olga Holownia, IIPC - Senior Program Officer

10:45am

BREAK

11:15am

FRAMEWORK FOR TOOLS SUSTAINABILITY

This session focuses on the new framework defining IIPC’s role in sustaining web archiving tools for its membership, developed as part of the Strategic Action Plan 2026 and the renewal of the Consortium Agreement.

Discussion leaders:

Ben O'Brien, National Library of New Zealand
Gil Hoggarth, British Library
Youssef Eldakar, Bibliotheca Alexandrina
Kristinn Sigurðsson, National and University Library of Iceland
Jeffrey van der Hoeven, National Library of the Netherlands
Bjarne Andersen, Royal Danish Library

CONTENT DEVELOPMENT WORKING GROUP MEETING

Chaired by: Former CDG Co-Chair Nicola Bingham, British Library and current CDG Co-Chair Shereen Tay, National Library Board Singapore

AGENDA:

General updates
Collection presentations:
- Paris Olympics - Helena Byrne, British Library
- Street Art - Ricardo Basílio, Arquivo.pt and Miranda Siler, Columbia University Libraries
- War in Ukraine - Anaïs Crinière-Boizet and Vladimir Tybin, National Library of France
Discussions:
- Survey introduction and results
- Future collections policies
- Potential World War II anniversary and Southeast Asia collections
Introduction and handover to new co-chairs Anaïs Crinière-Boizet, National Library of France and Melissa Wertheimer, Library of Congress

12:45pm

LUNCH

2:00pm

RESEARCH WORKING GROUP MEETING

Chaired by RWG Co-Chairs Ben O’Brien, National Library of New Zealand, Jon Carlstedt Tønnessen, National Library of Norway, and Olga Holownia, IIPC

AGENDA:

Introduction to RWG
Presentations:
- The WebData Project - Magnus Birkenes, National Library of Norway
- There and Back Again: the WOD (Whole-of-Domain)’s Tale - Ben O’Brien, National Library of New Zealand
- The Common Crawl’s Datasets - Sebastian Nagel, Common Crawl Foundation
Wrap-up

TRAINING WORKING GROUP MEETING

Chaired by: TWG Co-Chair Claire Newing, The National Archives, UK

This 60-minute session focuses on introducing the work and goals of the IIPC Training Working Group to interested newcomers.

3:30pm

BREAK

4:00pm

CRAWLING NATIONAL DOMAIN: TOWARDS BEST PRACTICES

Chaired by: Sara Aubry, National Library of France

This session explores members' expertise and experiences in performing national domain crawls with Heritrix. Members are asked to 1) share their challenges with domain crawls, 2) discuss possible solutions, and 3) establish best practices with specific tips and tricks for others to try.

Presentations:

Fighting 404s - Sara Aubry, National Library of France
Annual national domain crawl using AWS - Gil Hoggarth, British Library
Seedlist: approach emphasis and scope - Tom Smyth, Library and Archives Canada
Effective handling of byte limits - Thomas Smedebøl, Royal Danish Library
Use of sitemaps in domain crawls - Kristinn Sigurðsson, National and University Library of Iceland
Browser-assisted Heritrix - Alex Dempsey, Internet Archive
Assessing crawl completeness - Thom Vaughan, Common Crawl Foundation

TWG WORKSHOP: Case Studies ‘Write-a-thon’ - Documenting Best Practices

Claire Newing¹, Lauren Baker², Kody Willis³

1: The National Archives (UK), United Kingdom; 2: Library of Congress, United States of America; 3: Internet Archive, United States of America

The session will be aimed at any conference attendees who wish to submit a case study on any topic relevant to web archiving. Suggested topics include: a process/workflow which works well; a decision rubric for selection; a method developed for capturing a specific type of content; building specialist search queries; a successful tool used for training. To support the creation of case studies during the session and beyond, participants will be provided a case study template and a sample completed case study for reference.

The overall outcome will be a case study collection open to all members to be launched shortly after the conference with additional case studies being added on an ongoing basis.

7:00pm

WELCOME RECEPTION
For IIPC members only.

Watch WAC2025 recordings

Wednesday, 9 April 2025

view abstracts | view slides at UNT Digital Library

*all times in CEST

09:40am

OPENING REMARKS: Olga Holownia, IIPC & Jon Carlstedt Tønnessen, National Library of Norway

09:50am

OPENING KEYNOTE: Libraries, Copyright, and Language Models
Javier de la Rosa, National Library of Norway
Chaired by Andrew Jackson, Digital Preservation Coalition

RECORDING

10:45am

BREAK

10:55am

LIGHTNING SESSION #1
Chair: Ben Els, National Library of Luxembourg

Strategies and Challenges in the Preservation of Mexico’s Web Heritage: First Steps

Carolina Silva Bretón

National Library of Mexico, Mexico

RECORDING | SLIDES

Arquivo.pt Toolkit for Web Archiving

Daniel Gomes

Arquivo.pt, Portugal

RECORDING | SLIDES

Tracking the Political Representations of Life: Methodological Challenges of Exploring the BnF Web Archives

Guillaume Levrier^1,2, Dorothée Benhamou-Suesser²

1: Centre de recherches politiques de Sciences Po (CEVIPOF, CNRS), France; 2: Bibliothèque nationale de France, France

RECORDING (MOA) | SLIDES

Collaborative Curatorial Approaches of the Czech Web Archive Using the Example of Thematic Literary Collections

Marie Haškovcová

National Library of the Czech Republic, Czech Republic

RECORDING | SLIDES

LIGHTNING SESSION #2
Chair: Sawood Alam, Internet Archive

Modelling Archived Web Objects as Semantic Entities to Manage Contextual and Versioning Issues

Tom Storrar¹, Manuela Pallotto Strickland²

1: The National Archives (UK), United Kingdom; 2: King's College London, United Kingdom

RECORDING | SLIDES

Modernizing Web Archives: The Bumpy Road Towards a General ARC2WARC Conversion Tool

Pedro Ortiz Suarez, Sebastian Nagel, Thom Vaughan

Common Crawl Foundation, United States of America

RECORDING | SLIDES

Poking Around in Podcast Preservation

Jasper Snoeren

Netherlands Institute for Sound and Vision, Netherlands

RECORDING (MOA) | SLIDES

Automatic Clustering of Domains by Industry for Effective Curation

Thomas Smedebøl

Royal Danish Library, Denmark

RECORDING (MOA) | SLIDES

Best Practice of Preserving Posts from Social Media Feeds

Magdalena Sjödahl

Arkiwera wcrify AB, Sweden

RECORDING | SLIDES

11:25am

BREAK

11:55am	PANEL #1: Engaging Audiences Chair: Eveline Vlassenroot, University of Ghent “Beyond Preservation: Engaging Audiences and Researchers with Web Archives” Eveline Vlassenroot¹, Peter Mechant¹, Friedel Geeraert², Christina Vandendyck², Cui Cui^3,4, Beatrice Cannelli⁴, Anders Klindt Myrvoll⁵, Andrea Kocsis⁶ 1: University of Ghent, Belgium; 2: KBR - Royal Library of Belgium, Belgium; 3: University of Sheffield, United Kingdom; 4: Bodleian Libraries, United Kingdom; 5: Royal Danish Library, Denmark; 6: National Library of Scotland, United Kingdom RECORDING (MOA) \| SLIDES	SESSION #01: Tools Under Construction: Lessons Learned Chair: Katherine Boss, National Library of Norway Embedding the Web Archive in an Overall Preservation System Hansueli Locher Swiss National Library, Switzerland SLIDES UKWA Rebuild Gil Hoggarth British Library, United Kingdom RECORDING \| SLIDES Under Construction: Web Archive of the German National Library Natanael Arndt German National Library, Germany RECORDING \| SLIDES	WORKSHOP #01: Exploring Dilemmas in the Archiving of Legacy Webportals: An Exercise in Reflective Questioning Daniel Steinmeier, Sophie Ham National Library of the Netherlands, Netherlands
1:00pm	LUNCH
2:05pm	SESSION #02: Crawling Tools Chair: László Tóth, National Library of Luxembourg Lessons Learned Building a Crawler From Scratch: The Development and Implementation of Veidemann Marius André Elsfjordstrand Beck National Library of Norway, Norway RECORDING (MOA) \| SLIDES Experiences of Using in-House Developed Collecting Tool ELK Lauri Ojanen National Library of Finland, Finland RECORDING \| SLIDES Better Together: Building a Scalable Multi-Crawler Web Harvesting Toolkit Alex Dempsey, Adam Miller, Kyrie Whitsett Internet Archive, United States of America RECORDING \| SLIDES Lowering Barriers to Use, Crawling, and Curation: Recent Browsertrix Developments Tessa Walsh, Ilya Kreymer Webrecorder, United States of America RECORDING \| SLIDES	SESSION #03: Advocacy & User Engagement Chair: Mark Phillips, University of North Texas Libraries Insufficiency of Human-Centric Ethical Guidelines in the Age of AI: Considering Implications of Making Legacy Web Content Openly Accessible Gaja Zornada, Boštjan Špetič Computer History Museum Slovenia (Računališki muzej), Slovenia RECORDING \| SLIDES Web Archives for Music Research Andreas Lenander Ægidius Royal Danish Library, Denmark RECORDING \| SLIDES IXP History Collection: Recording the Early Development of the Core of the Public Internet Sharon Healy¹, Gerard Best¹, Lara Díaz Martínez² 1: Independent Researcher, Ireland; 2: University of Barcelona, Spain SLIDES Lost, but Preserved - A Web Archiving Perspective on the Ephemeral Web Sawood Alam, Mark Graham Internet Archive, United States of America RECORDING \| SLIDES	WORKSHOP #02: Web Archive Collections As Data Gustavo Candela¹, Abbie Grotke², Olga Holownia³, Jon Carlstedt Tønnessen⁴, Chase Dooley², Rachel Trent², Helena Byrne⁵, Emily Maemura⁶ 1: University of Alicante, Spain; 2: Library of Congress, United States of America; 3: IIPC, United States of America; 4: National Library of Norway, Norway; 5: British Library, UK; 6: University of Illinois Urbana-Champaign, United States of America
3:40pm	BREAK
4:40pm	POSTER SLAM Chair: Olga Holownia, IIPC ‘We Are Now Entering the Pre-election Period’: Experimental Twitter Capture at The National Archives Jake Bickford The National Archives (UK), United Kingdom The BnF DataLab Services and Tools for Researchers Working on Web Archives Sara Aubry, Dorothée Benhamou-Suesser Bibliothèque nationale de France, France POSTER Designing Art Student Web Archives Katherine Martinez The New School, United States of America POSTER Next Steps Towards A Formal Registry Of Web Archives For Persistent And Sustainable Identification Eld Zierau Royal Danish Library, Denmark POSTER Using Web Archives to Construct the History of an Academic Field Tegan Pyke University of Bergen, Norway POSTER Consortium on Electronic Literature (CELL) Hannah Ackermans University of Bergen, Norway POSTER Arquivo.pt Annual Awards: A Glimpse Daniel Gomes Arquivo.pt, Portugal Arquivo.pt Api/Bulk Access and Its Usage Vasco Rato, Daniel Gomes Arquivo.pt, Portugal Failed Capture or Playback Woes? A Case Study in Highly Interactive Web Based Experiences Mari Allison Smithsonian Libraries and Archives United States of America HAWathon: Participants Experience Ingeborg Rudomino, Anamarija Ljubek National and University Library in Zagreb, Croatia POSTER Supporting Best Practices for Archiving Social Media by Heritage Institutions in Flanders (and Beyond) Ellen Van Keer¹, Katrien Weyns² 1: meemoo, Flemish Institute for Archives, Belgium; 2: KADOC at Catholic University of Leuven, Belgium Planning Web Archiving Within a Four-Year Scope: Making the New Collection Plan for the Years 2025-2028 in the National Library of Finland Sanna Haukkala National Library of Finland, Finland POSTER Redirects Unraveled: From Lost Links to Rickrolls Kritika Garg¹, Sawood Alam², Michele Weigle¹, Michael Nelson¹, Mark Graham², Dietrich Ayala³ 1: Old Dominion University, United States of America; 2: Internet Archive, United States of America; 3: Filecoin Foundation, Netherlands Use of Screenshots as a Harvesting Tool for Dynamic Content and Use of AI for Later Data Analysis Gaja Zornada, Boštjan Špetič Computer History Museum Slovenia (Računališki muzej), Slovenia POSTER Asynchronous and Modular Pipelines for Fast WARC Annotation Pedro Ortiz Suarez, Thom Vaughan Common Crawl Foundation, United States of America POSTER Politely Downloading Millions of WARC Files Without Burning the Servers Down Pedro Ortiz Suarez, Thom Vaughan, Greg Lindahl Common Crawl Foundation, United States of America POSTER Robots.txt and Crawler Politeness in the Age of Generative AI Sebastian Nagel, Thom Vaughan Common Crawl Foundation, United States of America POSTER Experiences Switching an Archiving Web Crawler to Support HTTP/2 Sebastian Nagel Common Crawl Foundation, United States of America
4:40pm	POSTER SESSION
7:00pm	DINNER Pre-registration required for this event.

Watch WAC2025 recordings

Thursday, 10 April 2025

view abstracts | view slides at UNT Digital Library

*all times in CEST

09:00am

MORNING COFFEE

09:20am

LIGHTNING SESSION #3
Chair: Helena Byrne, British Library

The Practice of Web Archiving Statistics and Quality Evaluation Based on the Localization of ISO/TR 14873:2013(E): A Case Study of the NSL-WebArchive Platform

Zhenxin Wu¹, Jiali Zhu^2,3, Jiying Hu¹

1: National Science Library, Chinese Academy of Sciences, China; 2: Zhejiang Economic & Information Center, China; 3: Zhejiang Economic & Information Development Co., Ltd, China

RECORDING | SLIDES

Modifying ePADD for Entity Extraction in Non-English Languages

Pierre Beauguitte, Tita Enstad

National Library of Norway, Norway

RECORDING | SLIDES

Arquivo.pt Query Logs

Pedro Gomes, Daniel Gomes

Arquivo.pt, Portugal

RECORDING | SLIDES

What You See No One Saw

Mat Kelly¹, Alex H. Poole¹, Michele Weigle², Michael Nelson², Travis Reid², Christopher B. Rauch¹, Hyung Wook Choi¹

1: Drexel University, United States of America; 2: Old Dominion University, United States of America

RECORDING | SLIDES

LIGHTNING SESSION #4
Chair: Dorothée Benhamou-Suesser, National Library of France

Collaborative Collections at Arquivo.pt: Four Years of Recordings from the City of Sines (Portugal)

Ricardo Basílio

Arquivo.pt, Portugal

RECORDING | SLIDES

Participatory Web Archiving: The Tensions Between the Instrumental Benefits and Democratic Value

Cui Cui^1,3, Stephen Pinfield¹, Andrew Cox¹, Frank Hopfgartner²

1: University of Sheffield, United Kingdom; 2: Institute for Web Science and Technologies (WeST), Germany; 3: Bodleian Libraries, United Kingdom

RECORDING (MOA) | SLIDES

A Minimal Computing Approach for Web Archive Research

Alan Colin-Arce¹, Rosario Rogel-Salazar²

1: University of Victoria, Canada; 2: Universidad Autónoma del Estado de México, Mexico

RECORDING | SLIDES

Where Fashion Meets Science: Collecting and Curating a Creative Web Archive

Elisabeth Thurlow

University of the Arts London, United Kingdom

RECORDING | SLIDES

09:55am	BREAK
10:05am	SESSION #04: Discovery & Access (News/Newspapers) Chair: Tita Enstad, National Library of Norway Unlocking the Archive: Open Access to News Content as Corpora Jon Carlstedt Tønnessen, Magnus Breder Birkenes National Library of Norway, Norway RECORDING \| SLIDES Recently Orphaned Newspapers: From Archived Webpages to Reusable Datasets and Research Outlooks Tyng-Ruey Chuang¹, Chia-Hsun Wang¹, Hung-Yen Wu^1,2 1: Academia Sinica, Taiwan; 2: National Yang Ming Chiao Tung University, Taiwan RECORDING \| SLIDES NewsWARC: Analyzing News Over Time in the Web Archive Amr Emara², Khaled Ezz², Shaden Hazem², Youssef Eldakar¹ 1: Bibliotheca Alexandrina, Egypt; 2: Alamein International University, Egypt RECORDING \| SLIDES Zombie E-Journals and the National Library of Spain José Carlos Cerdán Medina Biblioteca Nacional de España, Spain RECORDING \| SLIDES	SESSION #05: Sustainability Chair: Bjarne Andersen, Royal Danish Library 42 Tips to Diminish the CO2 Impact of Websites Tamara van Zwol², Lotte Wijsman¹, Jasper Snoeren³, Tineke van Heijst⁴ 1: National Archives of the Netherlands, Netherlands; 2: Dutch Digital Heritage Network, Netherlands; 3: Netherlands Institute for Sound and Vision, Netherlands; 4: Van Heijst Information Consulting, Netherlands RECORDING (MOA) \| SLIDES Building Towards Environmentally Sustainable Web Archiving: The UK Government Web Archive and Beyond Jane Winters¹, Eirini Goudarouli², Jake Bickford² 1: University of London, United Kingdom; 2: The National Archives (UK), United Kingdom RECORDING \| SLIDES Preservation of Historical Data: Using Warchaeology to Process 20 Years of Harvesting Andreas Børsheim, Marius André Elsfjordstrand Beck National Library of Norway, Norway RECORDING (MOA) \| SLIDES Analysing the Publications Office of the European Union Web Archive for the Rationalisation of Digital Content Generation Alexandre Angers Publications Office of the European Union, Luxembourg RECORDING \| SLIDES	WORKSHOP #03: Introduction to Web Graphs Sebastian Nagel, Pedro Ortiz Suarez, Thom Vaughan, Greg Lindahl Common Crawl Foundation, United States of America
11:15am	BREAK
11:45am	PANEL #2: Cross-Institutional Collaborations Chair: Abbie Grotke, Library of Congress “Past, Present & Future of Cross-Institutional Collaboration in Web Archiving: Insights from the Norwegian and Danish Web Archive, the NetArchiveSuite Community, & Beyond” Anders Klindt Myrvoll¹, Thomas Langvann², Sara Aubry³, José Carlos Cerdán Medina⁴, Niels Ørbæk Chemnitz⁵, Colin Samuel Rosenthal¹, Abbie Grotke⁶ 1: Royal Danish Library, Denmark; 2: National Library of Norway, Norway; 3: Bibliothèque nationale de France, France; 4: Biblioteca Nacional de España, Spain; 5: Analysis & Numbers, Denmark; 6: Library of Congress, United States of America RECORDING (MOA) \| SLIDES	SESSION #06: Curating Social Media Chair: Tom Smyth, Library and Archives Canada Developing Social Media Archiving Guidelines at the National Archives of the Netherlands Lotte Wijsman, Geert Leloup, Susanne Van den Eijkel, Sander Wellens National Archives of the Netherlands, Netherlands RECORDING \| SLIDES Archiving the Social Media Profiles of Members of Government Ben Els National Library of Luxembourg, Luxembourg RECORDING \| SLIDES From Posts to Archives: The National Library of Singapore’s Journey in Collecting Social Media Shereen Tay, Meiyu Lee National Library Board Singapore, Singapore RECORDING \| SLIDES Innovative Web Archiving Amid Crisis: Leveraging Browsertrix and Hybrid Working Models to Capture the UK General Election 2024 Nicola Bingham, Jennie Grimshaw British Library, United Kingdom RECORDING \| SLIDES	WORKSHOP #04: How to Develop a New Browsertrix Behavior Ilya Kreymer, Tessa Walsh Webrecorder, United States of America
1:15pm	LUNCH
2:15pm	SESSION #07: Research & Access Chair: Marie Roald, National Library of Norway From Pages to People: Tailoring Web Archives for Different Use Cases Andrea Kocsis², Leontien Talboom¹ 1: Cambridge University Libraries, United Kingdom; 2: National Library of Scotland, United Kingdom RECORDING \| SLIDES Making Research Data Published to the Web FAIR Bryony Hooper, Ric Campbell University of Sheffield, United Kingdom RECORDING \| SLIDES Enhancing Accessibility to Belgian Born-Digital Heritage: The BelgicaWeb Project Christina Vandendyck Royal Library of Belgium (KBR), Belgium RECORDING \| SLIDES Using Generative AI to Interrogate the UK Government Web Archive Chris Royds, Tom Storrar The National Archives (UK), United Kingdom RECORDING (MOA) \| SLIDES	SESSION #08: Handling What You Captured Chair: Meghan Lyon, Library of Congress So You’ve Got a WACZ: How Archives Become Verifiable Evidence Basile Simon, Lindsay Walker Starling Lab for Data Integrity, Stanford-USC, United States of America RECORDING \| SLIDES Warc-Safe: An Open-Source WARC Virus Checker and NSFW (Not-Safe-For-Work) Content Detection Tool László Tóth National Library of Luxembourg, Luxembourg RECORDING (MOA) \| SLIDES Detecting and Diagnosing Errors in Replaying Archived Web Pages Jingyuan Zhu¹, Huanchen Sun², Harsha Madhyastha² 1: University of Michigan, United States of America; 2: University of Southern California, United States of America RECORDING \| SLIDES Building a Toolchain for Screen Recording-Based Web Archiving of SVOD Platforms Alexis Di Lisi Institut national de l'audiovisuel (INA), France RECORDING \| SLIDES	PANEL #3: Cross-Institutional Collaboration: the End of Term Archive Chair: Jeffrey van der Hoeven, National Library of the Netherlands (KB) “Coordinating, Capturing, and Curating the 2024 United States End of Term Web Archive” Mark Phillips¹, Sawood Alam², James Jacobs³, Ilya Kreymer⁴ 1: University of North Texas, United States of America; 2: Internet Archive, United States of America; 3: Stanford University, United States of America; 4: Webrecorder, United States of America SLIDES
3:40pm	BREAK
4:10pm	CLOSING KEYNOTE: Quantifying Complexity: Using Web Data to Decode Online Public Debate Håvard Lundberg and Ida Haugen-Poljac, Analysis & Numbers Chaired by Jon Carlstedt Tønnessen, National Library of Norway RECORDING
5:05pm	CLOSING REMARKS