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Data Science Lab Blog

Bridging Data and Policy

The Data Science Lab Blog explores how data-driven approaches shape public policy, featuring research insights, case studies, tools, student stories and latest updates from the Lab. 

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    • Data Science
    • Data science and policy analysis
    • Machine Learning and Deep Learning
    • Natural Language Processing and computer vision
    • Policy analysis and methods
Blog
13.11.2025

How can data help shape the future of cycling in our cities?

That was the guiding question of the workshop Data-Driven Approaches for Understanding and Advancing Urban Cycling, organised by PhD students Silke Kaiser and Carol Sobral, together with Professor Lynn Kaack at the Hertie School. 
Blog
04.11.2025

Transport poverty and the price of transition

What happens when climate ambition meets everyday dependence on the car? That question was at the heart of the Brown Bag seminar, where Dr Giulio Mattioli examined how rising fuel prices affect vulnerable households, and what his decade-long research on transport poverty can teach policymakers about the social dimensions of decarbonisation.
Blog
22.10.2025

Inside the experiment: comparing pre- and post-moderation in online comment sections on reducing toxicity in digital discourse

Online comment sections are a microcosm of public debate – lively, diverse, and at times, toxic. Managing the balance between open expression and respectful dialogue has become a key challenge for digital publishers. To understand what works, researchers are now turning to field experiments with real-world partners.
Blog
13.10.2025

From Porto to Aachen: Hertie PhD students take ML research to European conferences

This September, our PhD students made waves at two major European conferences, bringing home a Best Paper Award and advancing the conversation on how machine learning can tackle real-world challenges.
Blog
23.09.2025

How reliable is old evidence today? Kevin Munger on temporal generalization in political science

Research findings are often treated as if they remain valid indefinitely. But is yesterday’s evidence still reliable today?
Blog
12.09.2025

When data science meets democracy, AI, and climate: Thesis Award Winners 2025

What happens when you tell people that an Instagram post was made by AI? Can changing how we vote actually reduce political polarization? And why does asking ChatGPT the same question 100 times use wildly different amounts of energy each time

Blog
25.08.2025

From Barranquilla to Berlin: how Álvaro Guijarro is driving social impact with data

Álvaro Guijarro is an Industrial Engineer turned data science advocate, who earned his Master of Data Science for Public Policy at the Hertie School in Berlin in 2024. Hailing from Barranquilla, Colombia, Álvaro has channeled his passion for climate action, data accessibility, and ethical impact ...
Blog
13.08.2025

Data democracy: from zero to AI agent in five days

Over 4,000 participants from 130 countries joined the Data Science Summer School, transforming it from a typical academic event into a global movement for accessible tech education. From 4-8 August the Hertie School Data Science Lab, backed by the support of the Hertie School and the Dieter Schwarz Foundation, orchestrated a digital online school
Blog
16.07.2025

Turning a passion for math into impact: Francesca’s path from Hertie to the German Aerospace Centre

After completing her Master’s in Data Science for Public Policy at the Hertie School, Francesca Giacco joined the Institute of Transport Research at the German Aerospace Center (DLR).
Blog
04.07.2025

Graduation 2025: leading with joy and purpose

On 1 July, the Hertie School community gathered to celebrate the achievements of the Class of 2025. This year’s commencement ceremony was marked by inspiring words from student speakers Sofía García-Durrer (Master of Public Policy) and Isabella Urbano-Trujillo (Master of Data Science for Public Policy).

Blog
18.06.2025

The Hertie School MDS graduate Shruti Kakade highlights AI Governance findings at Data for Policy 2025

What happens when AI regulation falls through the cracks of the justice system? That’s the question Shruti Kakade, a Master of Data Science for Public Policy student at the Hertie School (Class of 2025), set out to explore in her thesis, Code of Justice: A Sector-Specific Quantitative Analysis of Regulatory Gaps in the U.S. Federal Courts for AI Governance.
Blog
10.06.2025

Students shaping the future of AI governance

More than a hundred students from across Europe gathered this spring to address the complex task of governing AI in critical domains like education and healthcare. Over four online lectures and two in-person workshops, they translated academic concepts into actionable governance frameworks - bridging theory and practice to inform decisions at the highest levels.

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The Hertie School teaches, researches, and debates good governance and public affairs in the heart of Berlin and Europe. The social science university offers master's degrees, doctoral programmes, and executive education to train change-makers in government, business, and civil society. True to its motto "Understand today. Shape tomorrow." the university conducts interdisciplinary research, provides international and practice-oriented education, and serves as a forum for public debate. Six centres of competence strengthen its expertise in European affairs, international security, fundamental rights, sustainability, digital governance, and data science. The Hertie School was founded in 2004 by the non-profit Hertie Foundation and has been generously supported by it ever since. It is a member of the European university alliance CIVICA, publicly recognised, and accredited by the Accreditation Council as well as the German Council of Science and Humanities.
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