Mr. P.J. (Paddy) Leerssen LLM
Faculteit der Rechtsgeleerdheid
Informatierecht
Bezoekadres
- Nieuwe Achtergracht 166
Postadres
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Postbus 15514
1001 NA Amsterdam
Contactgegevens
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Publicaties
- refereed (8)
- wetenschappelijk (19)
- vakpublicatie (9)
- erkenning (116)
- proefschrift (1)
- working papers / preprints (1)
- datasets (2)
2024
Leerssen, P. J. (2024). Outside the Black Box: From Algorithmic Transparency to Platform Observability in the Digital Services Act. Weizenbaum Journal of the Digital Society, 4(2). https://doi.org/10.34669/wi.wjds/4.2.3
2023
- Leerssen, P. (2023). An end to shadow banning? Transparency rights in the Digital Services Act between content moderation and curation. Computer Law and Security Review, 48, Article 105790. https://doi.org/10.1016/j.clsr.2023.105790 [details]
- Leerssen, P., Dobber, T., Helberger, N., & de Vreese, C. (2023). News from the ad archive: how journalists use the Facebook Ad Library to hold online advertising accountable. Information, Communication & Society, 26(7), 1381-1400. https://doi.org/10.1080/1369118X.2021.2009002 [details]
2021
- Leerssen, P. J. (2021). Platform research access in Article 31 of the Digital Services Act. In R. Heiko, S. Marlene, & T. Erik (Eds.), To Break Up or Regulate Big Tech? Avenues to Constrain Private Power in the DSA/DMA Package (pp. 55-61). Max Planck Institute for Innovation and Competition. https://ssrn.com/abstract=3932809
2020
- Keller, D., & Leerssen, P. (2020). Facts and Where to Find Them: Empirical Research on Internet Platforms and Content Moderation. In N. Persily, & J. A. Tucker (Eds.), Social Media and Democracy: The State of the Field, Prospects for Reform (pp. 220-251). (SSRC Anxieties of Democracy). Cambridge University Press. https://doi.org/10.1017/9781108890960.011 [details]
- Leerssen, P. J. (2020). The Soap Box as a Black Box: Regulating Transparency in Social Media Recommender Systems. European Journal of Law and Technology, 11(2). https://ejlt.org/index.php/ejlt/article/view/786
2019
- Leerssen, P., Ausloos, J., Zarouali, B., Helberger, N., & de Vreese, C. H. (2019). Platform ad archives: promises and pitfalls. Internet Policy Review, 8(4). https://doi.org/10.14763/2019.4.1421 [details]
2015
- Leerssen, P. (2015). Cut Out By The Middle Man: The Free Speech Implications Of Social Network Blocking and Banning In The EU. Journal of Intellectual Property, Information Technology and Electronic Commerce Law, 6(2), 99-119. https://www.jipitec.eu/issues/jipitec-6-2-2015/4271 [details]
2024
- Leerssen, P. J. (2024). GenAI ingebed op sociale media: AI-recht versus platformrecht. Mediaforum, 2024/6. https://www.mediaforum.nl/art/90-6310_GenAI-ingebed-op-sociale-media-AI-recht-versus-platformrecht
- Leerssen, P. J. (2024). Jawboning and lawboning: comparing platform-state relations in the US and Europe. Web publication or website, CELE. https://observatoriolegislativocele.com/
- Leerssen, P. J. (2024). Rb. Amsterdam 5 juli 2024, Shadow banning op X. Case note on: Rechtbank Amsterdam, 5/07/24 ( ECLI:NL:RBAMS:2024:3980 ). Mediaforum, 2024/4.
2023
- Leerssen, P. (2023). Counting the days: what to expect from risk assessments and audits under the DSA – and when?. Web publication or website, DSA Observatory. https://dsa-observatory.eu/2023/01/30/counting-the-days-what-to-expect-from-risk-assessments-and-audits-under-the-dsa-and-when/ [details]
- Leerssen, P. (2023). De DSA en desinformatie: meer dan censuur alleen. Mediaforum, 35(5), 157. https://www.mediaforum.nl/art/90-6066_De-DSA-en-desinformatie-meer-dan-censuur-alleen [details]
- Leerssen, P. (2023). Demonstratierecht onder druk, ook online. Mediaforum, 35(2), 53. https://www.mediaforum.nl/art/90-5516_Demonstratierecht-onder-druk-ook-online [details]
2022
- Appelman, N., & Leerssen, P. (2022). On "Trusted" Flaggers. Web publication or website, Information Society Project, Yale Law School. https://law.yale.edu/isp/publications/platform-governance-terminologies [details]
- Leerssen, P. (2022). Algorithm Centrism in the DSA’s Regulation of Recommender Systems. Web publication or website, Verfassungsblog. https://doi.org/10.17176/20220330-011148-0 [details]
- van Drunen, M., Groen-Reijman, E., Dobber, T., Noroozian, A., Leerssen, P., Helberger, N., de Vreese, C. H., & Votta, F. (2022). Transparency and (no) more in the Political Advertising Regulation. Web publication or website, Internet Policy Review. https://policyreview.info/articles/news/transparency-and-no-more-political-advertising-regulation/1616 [details]
2021
- Leerssen, P. (2021). Platform ad archives in Article 30 DSA. Web publication or website, DSA Observatory. https://dsa-observatory.eu/2021/05/25/platform-ad-archives-in-article-30-dsa/ [details]
- Leerssen, P. (2021). Platform research access in Article 31 of the Digital Services Act: Sword without a shield?. Web publication or website, Verfassungsblog. https://doi.org/10.17176/20210907-214355-0 [details]
2020
- Ausloos, J., Leerssen, P., & ten Thije, P. (2020). Operationalizing Research Access in Platform Governance: What to Learn from Other Industries? AlgorithmWatch. https://algorithmwatch.org/en/governing-platforms-ivir-study-june-2020/#study [details]
- Heldt, A., Kettemann, M. C., & Leerssen, P. (2020). The Sorrows of Scraping for Science: Why Platforms Struggle with Ensuring Data Access for Academics. Web publication or website, Verfassungsblog. https://doi.org/10.17176/20201130-220222-0 [details]
- Leerssen, P. (2020). [Review of: D. Erdos (2019) European Data Protection Regulation, Journalism, and Traditional Publishers: Balancing on a Tightrope?]. European Data Protection Law Review, 6(1), 158-160. https://doi.org/10.21552/edpl/2020/1/22 [details]
- Menezes Cwajg, C., Ausloos, J. (Ed.), & Leerssen, P. (Ed.) (2020). Transparency Rules in Online Political Advertising: Mapping Global Law and Policy. Institute for Information Law, University of Amsterdam. https://www.ivir.nl/publicaties/download/TransparencyRulesOnlinePoliticalAds2020.pdf [details]
2019
- Helberger, N. (Author), Leerssen, P. (Author), & van Drunen, M. (Author). (2019). Germany proposes Europe's first diversity rules for social media platforms. Web publication or website, LSE. https://blogs.lse.ac.uk/mediapolicyproject/2019/05/29/germany-proposes-europes-first-diversity-rules-for-social-media-platforms/ [details]
- Tworek, H., & Leerssen, P. (2019). An Analysis of Germany's NetzDG Law. Transatlantic Working Group. [details]
2015
- Angelopoulos, C., Brody, A., Hins, W., Hugenholtz, B., Leerssen, P., Margoni, T., McGonagle, T., van Daalen, O., & van Hoboken, J. (2015). Study of fundamental rights limitations for online enforcement through self-regulation. Institute for Information Law (IViR). https://www.ivir.nl/publicaties/download/study_fundamental_rights_limitations.pdf [details]
2014
- van Eechoud, M., van Velze, S., Caspers, M., Eskens, S. J., Leerssen, P., Austere, L., Broomfield, H., De Terwanghe, C., Ellis, J., Hittmar, G., Morando, F., Lubarda, M., van Loenen, B., Sappa, C., & de Vries, M. (2014). D2.2: Position paper access to data. LAPSI 2.0 Thematic Network. https://ec.europa.eu/digital-agenda/en/news/lapsi-position-paper-access-data [details]
2023
- Leerssen, P. (2023). Call for evidence on the Delegated Regulation on data access provided for in the Digital Services Act - Summary & analysis. European Commission. https://digital-strategy.ec.europa.eu/en/library/digital-services-act-summary-report-call-evidence-delegated-regulation-data-access [details]
2022
2021
- Dobber, T. (Author), Leerssen, P. (Author), & Helberger, N. (Author). (2021). Facebook en Google bepalen steeds vaker de spelregels in de digitale publieke ruimte. Web publication or website, PONT Data & Privacy. https://privacy-web.nl/nieuws/facebook-en-google-bepalen-steeds-vaker-de-spelregels-in-de-digitale-publieke-ruimte/ [details]
- Leerssen, P. (2021). Clickbaitrechtspraak: de Facebook Oversight Board maakt zijn debuut. Web publication or website, Nederland Rechtsstaat. https://www.nederlandrechtsstaat.nl/clickbaitrechtspraak-de-facebook-oversightboard-maakt-zijn-debuut/ [details]
2020
- Menezes-Cwajg, C. (Author), Leerssen, P. (Author), & Ausloos, J. (Author). (2020). Transparency Rules in Online Political Advertising: Mapping Law and Policy Across the Globe. Web publication or website, LSE. https://blogs.lse.ac.uk/medialse/2020/10/16/transparency-rules-in-online-political-advertising-mapping-law-and-policy-across-the-globe/ [details]
2019
- van Hoboken, J., Appelman, N., Ó Fathaigh, R., Leerssen, P., McGonagle, T., van Eijk, N., & Helberger, N. (2019). De verspreiding van desinformatie via internetdiensten en de regulering van politieke advertenties: Tussenrapportage (oktober 2019). Universiteit van Amsterdam, Instituut voor Informatierecht. https://www.ivir.nl/publicaties/download/verspreiding_desinformatie_internetdiensten_tussenrapportage.pdf [details]
- van Hoboken, J., Appelman, N., Ó Fathaigh, R., Leerssen, P., McGonagle, T., van Eijk, N., & Helberger, N. (2019). Het juridisch kader voor de verspreiding van desinformatie via internetdiensten en de regulering van politieke advertenties: eindrapportage. Instituut voor Informatierecht, Universiteit van Amsterdam. https://www.rijksoverheid.nl/documenten/rapporten/2019/12/31/het-juridisch-kader-voor-de-verspreiding-van-desinformatie-via-internetdiensten-en-de-regulering-van-politieke-advertenties [details]
- van Hoboken, J., Appelman, N., Ó Fathaigh, R., Leerssen, P., McGonagle, T., van Eijk, N., & Helberger, N. (2019). The legal framework on the dissemination of disinformation through Internet services and the regulation of political advertising: final report. Institute for Information Law, University of Amsterdam. https://www.ivir.nl/nl/publicaties/the-legal-framework-on-the-dissemination-of-disinformation-through-internet-services-and-the-regulation-of-political-advertising/#pub-abstract-19752 [details]
2016
- Leerssen, P., Maalderink, R., & McGonagle, T. (2016). Compilation of selected best practices for the implementation of Recommendation CM/Rec(2016)4 & Proposals for further follow-up activities: Council of Europe Steering Committee on Media and Information Society Workshop : How to protect journalists and other media actors in Europe: implementing the Council of Europe's standards : Strasbourg, 30 June 2016. IViR. https://rm.coe.int/selected-best-practices-for-implementation-of-cm-rec-2016-4/1680726c3b [details]
Prijs / subsidie
- van Hoboken, J., Leerssen, P. & van Duin, A. (2024). Luminate Foundation Research Grant.
- Ausloos, J., Leerssen, P. & Khanna, S. (2024). ARILS Methods and Interdisciplinary Research Fund.
- Leerssen, P. (2023). DTDM Seed Funding Grant.
- Helberger, N., Ausloos, J. & Leerssen, P. (2020). Commissioned to write a report for Algorithm Watch, Platforms and Transparency.
Lidmaatschap / relevante positie
- Leerssen, P. (2024-2025). Member of Supervisory Committee (begeleidingscommissie) onderzoek “Haalbaarheid ontwikkeling duidingskader extremistische en terroristische content (…), Ministerie van Justitie (WODC), Den Haag.
- Leerssen, P. (2024-2025). Member of Committee on Data Scraping, .
- Leerssen, P. (2024-2025). Columbia-Hertie working group on building capacity and mobilizing funding for data access, storage, and analysis, Columbia University.
- Leerssen, P. (2020-2021). Member of Glossary Working Group, Internet Governance Forum Coalition on Platform Responsibility, Internet Governance Forum (IGF) 2020. https://www.intgovforum.org/multilingual/content/glossary-on-platform-law-and-policy-terms
Mediaoptreden
- Leerssen, P. (18-01-2025). ‘Onnodige stunt’ of niet? TikTok gaat op zwart, kort nadat Trump reddingsboei werpt [Print] De Volkskrant. ‘Onnodige stunt’ of niet? TikTok gaat op zwart, kort nadat Trump reddingsboei werpt. https://www.volkskrant.nl/tech/onnodige-stunt-of-niet-tiktok-gaat-op-zwart-kort-nadat-trump-reddingsboei-werpt~bc145d9b/
- Leerssen, P. (10-01-2025). https://www.nrc.nl/nieuws/2025/01/10/kan-het-ook-anders-op-sociale-media-alternatieven-voor-meta-zijn-nu-nog-geen-oplossing-a4879217 [Print] NRC. Kan het ook anders op sociale media? Alternatieven voor Meta zijn nu nog geen oplossing. https://www.nrc.nl/nieuws/2025/01/10/kan-het-ook-anders-op-sociale-media-alternatieven-voor-meta-zijn-nu-nog-geen-oplossing-a4879217
- Leerssen, P. (08-01-2025). Er waait een nieuwe wind op Facebook en Instagram: 'VS is conservatiever geworden' [Web] NOS. Er waait een nieuwe wind op Facebook en Instagram: 'VS is conservatiever geworden'. https://nos.nl/artikel/2550996-er-waait-een-nieuwe-wind-op-facebook-en-instagram-vs-is-conservatiever-geworden
- Leerssen, P. (15-10-2024). Met ontslag Amsterdams moderatieteam wil TikTok meer werken met AI. Hoe modereert het techbedrijf? [Print] NRC. Met ontslag Amsterdams moderatieteam wil TikTok meer werken met AI. Hoe modereert het techbedrijf?. https://www.nrc.nl/nieuws/2024/10/15/met-ontslag-amsterdams-moderatieteam-wil-tiktok-meer-werken-met-ai-hoe-modereert-het-techbedrijf-a4869447
- Leerssen, P. (26-08-2024). Wat zit er achter de ‘excessieve’ arrestatie van Telegram-oprichter Doerov? [Print] De Volkskrant. Wat zit er achter de ‘excessieve’ arrestatie van Telegram-oprichter Doerov?. https://www.volkskrant.nl/tech/wat-zit-er-achter-de-excessieve-arrestatie-van-telegram-oprichter-doerov~b4c3ee1b3/
- Leerssen, P. (28-06-2024). De nieuwe digitale regels van Brussel beginnen te bijten [Print] NRC. De nieuwe digitale regels van Brussel beginnen te bijten. https://www.nrc.nl/nieuws/2024/06/28/hoe-brussel-grip-begint-te-krijgen-op-amerikaanse-techreuzen-a4858117
- Leerssen, P. (02-04-2024). Microsoft blijft accounts blokkeren zonder uitleg, ondanks nieuwe regels [Web] RTL Nieuws. Microsoft blijft accounts blokkeren zonder uitleg, ondanks nieuwe regels. https://www.rtl.nl/nieuws/artikel/5441925/microsoft-blokkeert-zonder-uitleg-account-experts-overtreding-dsa
- Leerssen, P. (27-02-2024). Strengste regels voor platforms lijken aan 'problematisch' Telegram voorbij te gaan [Web] NOS. Strengste regels voor platforms lijken aan 'problematisch' Telegram voorbij te gaan. https://nos.nl/artikel/2506461-strengste-regels-voor-platforms-lijken-aan-problematisch-telegram-voorbij-te-gaan
- Leerssen, P. (24-02-2024). EenVandaag TV [Television]. Wat verandert er met de Digital Services Act voor het verspreiden van nepnieuws? En 7 andere vragen van jullie beantwoord.
- Leerssen, P. (27-01-2024). Strengste regels voor platforms lijken aan ´problematisch´ Telegram voorbij te gaan [Web] NOS. Strengste regels voor platforms lijken aan ´problematisch´ Telegram voorbij te gaan. https://nos.nl/l/2506461
- Leerssen, P. (20-11-2023). Slechts 1 Nederlandstalige moderator op X en onduidelijkheid over "shadow banning": deze info moeten onlineplatformen voortaan prijsgeven. Slechts 1 Nederlandstalige moderator op X en onduidelijkheid over "shadow banning": deze info moeten onlineplatformen voortaan prijsgeven. https://www.vrt.be/vrtnws/nl/2023/11/16/dsa-eerste-rapporten/
- Leerssen, P. (07-11-2023). X denkt het af te kunnen met één Nederlandstalige moderator Het Financeele Dagblad. X denkt het af te kunnen met één Nederlandstalige moderator. https://fd.nl/tech-en-innovatie/1495605/x-denkt-het-af-te-kunnen-met-een-nederlandstalige-moderator
- Leerssen, P. (19-10-2023). Van Elisabeth Lucie Baeten tot Bella Hadid: als ze op Instagram posten over Palestina zien ze hun bereik dramatisch slinken DeMorgen.Be. Van Elisabeth Lucie Baeten tot Bella Hadid: als ze op Instagram posten over Palestina zien ze hun bereik dramatisch slinken. https://www.demorgen.be/nieuws/van-elisabeth-lucie-baeten-tot-bella-hadid-als-ze-op-instagram-posten-over-palestina-zien-ze-hun-bereik-drama…
- Leerssen, P. (24-06-2023). It’s Getting Harder for the Government to Secretly Flag Your Social Posts Wired Magazine. It’s Getting Harder for the Government to Secretly Flag Your Social Posts. https://www.wired.com/story/its-getting-harder-for-the-government-to-secretly-flag-your-social-posts/
- Leerssen, P. (09-05-2023). Discriminatie als verdienmodel Advocatenblad. Discriminatie als verdienmodel. https://magazine.advocatenblad.nl/2023-07/discriminatie-als-verdienmodel/
- Leerssen, P. (16-12-2022). Op Twitter mag alles gezegd worden, tenzij het Elon Musk raakt [Web] NOS. Twitter schorst prominente journalisten nadat ze over Musk hadden geschreven. https://nos.nl/artikel/2456670-op-twitter-mag-alles-gezegd-worden-tenzij-het-elon-musk-raakt
- Leerssen, P. (11-12-2022). Microsoft zet honderden Nederlanders zonder uitleg uit account: 'Dit is bizar' [Web] RTL Nieuws. Microsoft zet honderden Nederlanders zonder uitleg uit account: 'Dit is bizar'. https://www.rtlnieuws.nl/tech/artikel/5351201/microsoft-zet-honderden-nederlanders-zonder-uitleg-uit-account
- Leerssen, P. (11-12-2022). RTL Nieuws [Television] RTL Nieuws. RTL Nieuws. https://www.rtlnieuws.nl/video/uitzendingen/video/5352608/rtl-nieuws-1930-uur
- Leerssen, P. (15-06-2022). The Tricky Business of Elon Musk Getting Twitter Fire-Hose Access [Web] Wired Magazine. The Tricky Business of Elon Musk Getting Twitter Fire-Hose Access. https://www.wired.co.uk/article/elon-musk-twitter-firehose
- Leerssen, P. (07-06-2021). RTE, The Truth Matters: A Guide to Misinformation (podcast series). [Web] RTE. The Truth Matters: A Guide to Misinformation (podcast series).. https://www.rte.ie/radio/podcasts/series/34330-truth-matters/
- Leerssen, P. (18-02-2021). Zijn haatreacties op Gordon strafbaar? [Web] Ad.nl. Zijn haatreacties op Gordon strafbaar?. https://www.ad.nl/video/zijn-haatreacties-op-gordon-strafbaar~p198537
- Leerssen, P. (07-01-2021). Pas in zijn nadagen durven Twitter en Facebook Trump de mond te snoeren [Web] Het Financieele Dagblad. Pas in zijn nadagen durven Twitter en Facebook Trump de mond te snoeren. https://fd.nl/futures/1369647/sociale-media-leggen-trump-digitaal-het-zwijgen-op-na-rellen-in-capitool
- Leerssen, P. (26-10-2020). De tijd van internet als vrijhaven is straks geschiedenis [Print] NRC. De tijd van het internet als vrijhaven is straks geschiedenis. https://www.nrc.nl/nieuws/2020/10/26/de-tijd-van-internet-als-vrijhaven-is-voorbij-a4017426
- Ausloos, J., Leerssen, P. & ten Thije, P. (20-08-2020). Wissenschaftler fordern mehr Transparenz von Facebook und Co. [Print] Der Spiegel. ‘Wissenschaftler fordern mehr Transparenz von Facebook und Co.. https://www.spiegel.de/netzwelt/netzpolitik/wissenschaftler-fordern-mehr-transparenz-von-facebook-und-co-a-f72a05fd-1e96-4007-9204-4d767170a291
- Leerssen, P. (15-08-2020). Shay! Facebook doet Zwarte Piet in de ban, Paddy Leerssen vertelt hier meer over. [Radio] NPO Radio 2. Shay! Facebook doet Zwarte Piet in de ban, Paddy Leerssen vertelt hier meer over.. https://www.nporadio2.nl/shay/gemist/audio/19084/2020-08-15-shay-facebook-doet-zwarte-piet-in-de-ban-paddy-leerssen-vertelt-er-meer-over
- Ausloos, J., Leerssen, P. & ten Thije, P. (30-06-2020). Facebook Erforschen [Print] Frankfurter Allgemeine Zeitung. Facebook erforschen. https://www.faz.net/aktuell/feuilleton/medien/facebook-erforschen-studie-empfiehlt-transparenzpflichten-16838552.html
- Ausloos, J., Leerssen, P. & ten Thije, P. (29-06-2020). Több adatot szeretnének kapni az IT-óriásoktól a tudósok [Web] SG.hu. Algorithm Watch Report on Operationalising Transparency sent to European Commission. https://sg.hu/cikkek/it-tech/141539/tobb-adatot-szeretnenek-kapni-az-it-oriasoktol-a-tudosok
- Ausloos, J., Leerssen, P. & ten Thije, P. (25-06-2020). Privacy not a blocker for ‘meaningful’ research access to platform data, says report [Web] TechCrunch. Privacy not a blocker for ‘meaningful’ research access to platform data, says report. https://techcrunch.com/2020/06/25/privacy-not-a-blocker-for-meaningful-research-access-to-platform-data-says-report/
- Leerssen, P. (08-06-2020). Waarschuwing: deze politicus twittert leugens [Print] NRC. Waarschuwing: deze politicus twittert leugens. https://www.nrc.nl/nieuws/2020/06/08/waarschuwing-deze-politicus-twittert-leugens-a4002134
- Leerssen, P. (14-05-2019). Wetten genoeg om Facebook en YouTube aan banden te leggen, maar nergens gaan ze ver genoeg [Web] De Correspondent. Wetten genoeg om Facebook en YouTube aan banden te leggen, maar nergens gaan ze ver genoeg. https://decorrespondent.nl/9486/wetten-genoeg-om-facebook-en-youtube-aan-banden-te-leggen-maar-nergens-gaan-ze-ver-genoeg/461939742-cf730895
- Leerssen, P. (13-12-2017). Discriminatie van data op internet mag nu [Print] NRC. Discriminatie van data op het internet mag nu. https://www.nrc.nl/nieuws/2017/12/13/discriminatie-van-data-op-internet-mag-nu-a1584848
Tijdschriftredactie
- Leerssen, P. (editor) (2023-2025). Mediaforum (Journal).
Spreker
- Leerssen, P. (speaker) (24-5-2025). Approaches to DSA data access, CPDP 2024, Brussels.
- Leerssen, P. (invited speaker) (29-11-2024). The Political Economy of Content Moderation, Digital Legal Talks 2024, Utrecht.
- Leerssen, P. (speaker) (28-11-2024). PLSC Session: Regulating pressing systemic risks – but not too soon? Comparative Analysis of the Implementation of Data Access Requests to Platform Data under Article 40(4) of the EU Digital Services Act, Digital Legal Talks 2024, Utrecht.
- Leerssen, P. (invited speaker) (19-11-2024). European Commission Webinar on DSA delegated act on data access, European Commission.
- Leerssen, P. (invited speaker) (9-10-2024). De DSA en desinformatie, Symposium Brinkhof Internetscriptieprijs.
- Leerssen, P. (invited speaker) (26-6-2024). Systemic Risks under the DSA, European Rights & Risks: Stakeholder Engagement Forum.
- Leerssen, P. (invited speaker) (11-6-2024). Expert governance in the DSA, SciencesPo DSA & Free Expression Workshop.
- Leerssen, P. (speaker) (7-6-2024). The Political Economy of Content Moderation, Conflicts and Communities: SciencesPo Young Digital Law Conference 2024.
- Leerssen, P. (invited speaker) (4-5-2024). Private enforcement of the DSA, CDT Civil Society Roundtable.
- Leerssen, P. (invited speaker) (19-3-2024). Expert Briefing on Demotion, Meta Oversight Board.
- Leerssen, P. (speaker) (19-3-2024). The Digital Services Act, Vrije Universiteit (VU).
- Leerssen, P. (invited speaker) (24-1-2024). Leiden University Workshop on Disinformation and Human Rights in Context - Panel I The Media, Online Platforms and Emerging Technologies, Leiden University Workshop on Disinformation and Human Rights in Context.
- Leerssen, P. (invited speaker) (15-1-2024). LSE Digital Accountability Workshop, LSE Digital Accountability Workshop
. - van Eechoud, M. (invited speaker), Janssen, H. (invited speaker) & Leerssen, P. (invited speaker) (5-12-2023). “EU Data governance regulation and academic access to non-public data”, Digital Legal Lab’s winter school “Data, personalization, and the law 2023. https://www.sectorplandls.nl/wordpress/wp-content/uploads/2023/11/Draft-programme-Winter-School-28112023-2.pdf
- Leerssen, P. (speaker) (9-10-2023). Desinformatie en de DSA, Kritische mening of opzettelijk nepnieuws?
. - Leerssen, P. (invited speaker) (27-9-2023). Seeing outside the (black) box: From algorithmic transparency to platform observability in the Digital Services Act, Hertie School.
- Leerssen, P. (speaker) (27-9-2023). Seeing outside the (black) box: From algorithmic transparency to platform observability in the Digital Services Act, Hertie School of Governance.
- Leerssen, P. (speaker) (8-9-2023). Angry nerds: content creators, community moderation and corporate control in Magic the Gathering, GIKII Conference 2023.
- Leerssen, P. (invited speaker) (19-6-2023). Media Law Resource Center Conference 2023, Media Law Resource Center Conference 2023.
- Leerssen, P. (speaker) (23-5-2023). REGULATED SELF-REGULATION FOR PLATFORM GOVERNANCE AND CONTENT MODERATION, ADM+S BIRMINGHAM WORKSHOP: Standards and assurance for data-driven technologies
. - Leerssen, P. (speaker) (4-5-2023). De DSA en desinformatie, Beeld & Geluid Rondetafel Desinformatie.
- Leerssen, P. (speaker) (4-4-2023). Outside the (Black) Box: From Algorithmic Transparency to Platform Observability in Social Media Regulation, Platform Governance Research Network (PlatGovNet) conference.
- Leerssen, P. (speaker) (1-2-2023). The role of National Regulatory Authorities in the Digital Services Act, The role of National Regulatory Authorities in the Digital Services Act.
- Leerssen, P. (speaker) (13-6-2022). Transparency in the Digital Services Act, European Media Lawyer's Conference 2022.
- Leerssen, P. (speaker) (29-5-2022). An End To Shadow Banning? Transparency rights in the Digital Services Act between content moderation and curation, the 72nd annual conference of the International Communication Association (ICA), 26-30 May 2022, Paris, France.
- Leerssen, P. (speaker) (20-5-2022). News from the ad archive: how journalists use the Facebook Ad Library to hold online advertising accountable, Global Conference on Transparency Research, Copenhagen.
- Leerssen, P. (speaker) (11-5-2022). An end to shadow banning? Transparency rights in the Digital Services Act between contet moderation and curation, DIMACS Workshop on Computer Science & Law.
- Leerssen, P. (speaker) (13-12-2021). Intermediary Liability & Platform Responsibility, University of Utrecht.
- Leerssen, P. (speaker) (8-12-2021). Shadow banning, downranking and other secret sanctions: on the transparency of non-takedown content moderation., Digital Legal Talks.
- Leerssen, P. (speaker) (26-11-2021). Workshop on DSA and fundamental rights, EuroISPA.
- Leerssen, P. (speaker) (15-10-2021). Adhoc DSA/DMA Working Group on "must carry obligations" of editorial content, European Parliament, Greens/EFA.
- Leerssen, P. (speaker) (22-9-2021). News from the ad archive: on journalistic usage of the Facebook Ad Library, Future of Journalism Conference.
- Leerssen, P. (speaker) (7-9-2021). The Soap Box as a Black Box: Regulating Transparency in Social Media Recommender systems, ECREA 2021.
- Leerssen, P. (speaker) (1-9-2021). Regulation of and by recommender systems, Bilgi IT Law Institute International Summer School on AI.
- Leerssen, P. (speaker) (24-6-2021). Transparency in ranking algorithms and recommender systems, Center for Democracy and Technology (CDT) Lunch Talk Series.
- Leerssen, P. (speaker) (22-6-2021). Safeguards for freedom of expression in the regulation of algorithmic ranking and recommendations, Parliamentary Assembly of the Council of Europe, Committee on Culture, Science, Education and Media.
- Leerssen, P. (speaker) (25-3-2021). News from the ad archive: on journalistic usage of the Facebook Ad Library, First Annual Conference of a Platform Governance Research Network .
- Leerssen, P. (invited speaker), Appelman, N. (invited speaker) & Sax, M. (speaker) (17-12-2020). Platform Monopolies, Conglomerates and The Digital Markets Act,
PEPTalk #1: Big Tech Platform Power Regulation
. - Leerssen, P. (speaker) (2-12-2020). News from the archive: an empirical study of ad archive journalism, Digital Legal Talks.
- Leerssen, P. (speaker) (26-11-2020). The Soap Box as a Black Box: Regulating Transparency in Social Media Recommender Systems, VSNU Digital Society Conference 2019.
- Leerssen, P. (invited speaker) (17-11-2020). Transparency in Recommender Systems, Transparency of algorithms: Breaking the Black Box (Hosted by Alexandra Geese MEP). https://en.alexandrageese.eu/digital-platform-digital-services-act-dsa-special/
- Leerssen, P. (speaker) (5-11-2020). IGF Glossary Project: defining platform governance, Internet Governance Forum (IGF) 2020.
- Leerssen, P. (speaker) (20-4-2020). The Soap Box as a Black Box: Regulating Transparency in Social Media Recommender Systems, At the Crossroads: Towards a new European Communication Framework?.
- Leerssen, P. (speaker) (2-2-2020). The Soap Box as a Black Box: Regulating Transparency in Social Media Recommender Systems, Leuven AI Law & Ethics Conference.
- Leerssen, P. (speaker) (18-10-2019). Platform ad archives: promises and pitfalls, European Advisory Group of Social Science One Workshop: Removing Barriers to Digital Platform Transparency across Europe.
Andere
- Leerssen, P. (participant) (9-12-2024). European Commission DSA Data Access Roundtable, Brussels. Expert policy workshop with European Commission, academic researchers and big tech industry representatives. (participating in a conference, workshop, ...).
- Leerssen, P. (participant) & Albert, J. (participant) (18-11-2024). DSA Observatory Expert Workshop on Researcher access to platform data (organising a conference, workshop, ...).
- Leerssen, P. (participant) (23-10-2024). Assessing collective Private Parties’ Litigation in the Economy of Data (participating in a conference, workshop, ...).
- Leerssen, P. (organiser), Gorwa, R. (participant), Weigl, L. (participant) & Poell, T. (participant) (11-10-2024). Spui25: The Politics of Platform Regulation. book presentation with author Rob Gorwa and panelists Thomas Poell & Linda Weigl (organising a conference, workshop, ...).
- Leerssen, P. (organiser) & van Hoboken, J. (organiser) (1-7-2024 - 5-7-2024). IViR Summer Course on European Platform Regulation. Organised international course for academics and professionals. (organising a conference, workshop, ...).
- Leerssen, P. (participant) (31-5-2024). IViR Lecture Series: Kate Klonick (organising a conference, workshop, ...).
- Leerssen, P. (participant) (16-5-2024). Delimiting Systemic Risks in Social Media Governance: Putting the DSA Into Practice. SciencesPo online workshop (participating in a conference, workshop, ...).
- Leerssen, P. (organiser) (15-2-2024). DSA and Platform Regulation Conference 2024, Amsterdam. Organising lead for plenary programme on 16 February. (organising a conference, workshop, ...).
- Ó Fathaigh, R. (participant), van Hoboken, J. (participant), Helberger, N. (participant), Leerssen, P. (participant) & Quintais, J. (organiser) (15-2-2024 - 16-2-2024). DSA and Platform Regulation Conference 2024, Amsterdam (organising a conference, workshop, ...). https://dsa-observatory.eu/the-dsa-and-platform-regulation-conference-2024/
- Leerssen, P. (participant) (15-1-2024). LSE Digital Accountability Workshop (participating in a conference, workshop, ...).
- Leerssen, P. (participant) (6-12-2023). DSA rondetafelgesprek Ministerie van Binnenlandse Zaken (participating in a conference, workshop, ...).
- van Duin, A. (organiser), Leerssen, P. (organiser), Buri, I. (participant) & Appelman, N. (participant) (1-12-2023). Expert workshop 'Navigating the DSA's procedural turn: lessons from consumer law for ODR' (organising a conference, workshop, ...).
- Leerssen, P. (participant) (6-7-2023). Digital Services Act Stakeholder Event: Shaping the Future of Digital Services. Moderated panel on data access (participating in a conference, workshop, ...).
- Leerssen, P. (organiser), van Hoboken, J. (organiser) & Buri, I. (organiser) (3-7-2023 - 7-7-2023). IViR Summer Course on European Platform Regulation (organising a conference, workshop, ...).
- Leerssen, P. (consultant) (1-6-2023 - 30-1-2024). Expert consultant on implementing regulation for researcher data access in the Digital Services Act, European Commission (DG Connect) (consultancy).
- Leerssen, P. (participant) (23-4-2023). Mozilla Workshop on Access to Public Data, Brussels (participating in a conference, workshop, ...).
- Ausloos, J. (organiser), Leerssen, P. (organiser) & van Drunen, M. (organiser) (15-3-2023). Researcher Access in the Digital Services Act, Amsterdam (organising a conference, workshop, ...).
- Leerssen, P. (organiser), van Drunen, M. (organiser) & Ausloos, J. (organiser) (15-3-2023). Researcher Access in the Digital Services Act, Amsterdam (organising a conference, workshop, ...).
- Leerssen, P. (participant) (14-2-2023). The Politics of Platformization (participating in a conference, workshop, ...).
- Leerssen, P. (host) (1-2-2023 - 2-3-2023). Dwayne Winseck (hosting a visitor).
- Leerssen, P. (consultant) (1-7-2022 - 31-1-2024). Expert advisor to European Commission on implementation of Article 40 DSA, European Commission (DG Connect) (consultancy).
- Noroozian, A. (organiser) & Leerssen, P. (organiser) (22-11-2021). Roundtable on Platform Transparency, Accountability, and Auditing. Roundtable on Platform Transparency, Accountability, and Auditing (organising a conference, workshop, ...).
- Leerssen, P. (participant) (1-6-2021). Hertie School Workshop on Detecting Digital Market Dominance (participating in a conference, workshop, ...).
- Leerssen, P. (participant) (11-5-2021). Ada Lovelace Institute Workshop on the UK AI Strategy. Ada Lovelace Institute Workshop on the UK AI Strategy (11 May 2021) (participating in a conference, workshop, ...).
- Leerssen, P. (participant) (14-4-2021). Organization for Security and Co-operation in Europe (OSCE) Expert Workshop on Hate Speech (participating in a conference, workshop, ...).
- Leerssen, P. (participant) (31-3-2021). European Commission Stakeholder Workshop on transparency in sponsored political content. (participating in a conference, workshop, ...).
- Leerssen, P. (organiser) (29-1-2021). Computers, Privacy and Data Protection Conference. Panel: Towards Research Access for Platform Data. (organising a conference, workshop, ...).
- Leerssen, P. (participant) (29-6-2020). CEU Webinar on Free vs Protected Information (participating in a conference, workshop, ...).
- Leerssen, P. (participant) (16-6-2020). Humboldt Institute on Workshop on Empirical Approaches in Platform Governance Research. Humboldt Institute Workshop on Empirical Approaches in Platform Governance Research (participating in a conference, workshop, ...).
- Leerssen, P. (chair) (27-5-2020). AlgorithmWatch Governing Platforms Project Online Stakeholder Dialogue (organising a conference, workshop, ...).
- Leerssen, P. (participant) (7-11-2019). Helsinki Committee Roundtable on privacy and political advertising. Helsinki Committee Roundtable on privacy and political advertising (participating in a conference, workshop, ...).
2020
- Llansó, E., van Hoboken, J., Leerssen, P., & Harambam, J. (2020). Artificial Intelligence, Content Moderation, and Freedom of Expression. Transatlantic Working Group. https://www.ivir.nl/publicaties/download/AI-Llanso-Van-Hoboken-Feb-2020.pdf [details]
2022
- Leerssen, P., Dobber, T., Helberger, N. & de Vreese, C. (2022). News from the ad archive: how journalists use the Facebook Ad Library to hold online advertising accountable. Taylor & Francis. https://doi.org/10.6084/m9.figshare.17694191.v2
2021
- Leerssen, P., Dobber, T., Helberger, N. & de Vreese, C. (2021). News from the ad archive: how journalists use the facebook ad library to hold online advertising accountable. Taylor & Francis. https://doi.org/10.6084/m9.figshare.17694191.v1
This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list. -
Nevenwerkzaamheden
Geen nevenwerkzaamheden
Leerssen, P. J. (2024). Outside the Black Box: From Algorithmic Transparency to Platform Observability in the Digital Services Act. Weizenbaum Journal of the Digital Society, 4(2).