Lightnews — Scholar-powered news

land-fbk.bsky.social @land-fbk.bsky.social · Aug 5

Back from #ACL2025NLP in Vienna 🇦🇹! We presented three posters, organized a tutorial, and had tons of amazing interactions. Huge thanks to our amazing team and collaborators for all the hard work 🙌

1 7

land-fbk.bsky.social @land-fbk.bsky.social · Aug 4

📢 Do you want to join our group? We opened **two** calls for a fully funded PhD. Details are in the image and at the following links.

Calls: iecs.unitn.it/education/ad...
PhD Details: iecs.unitn.it/education/ad...

Deadline: August 22nd, 2025, hrs. 04:00 PM (CEST)

5 4

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

The first invited speaker is Cathy Buerger from @dangerousspeech.org‬, with a talk titled "Co-designing Counterspeech: Rethinking AI’s Role". #ACL2025NLP

3 7

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

What ethical questions arise when designing counterspeech? Gavin Abercrombie (@gavina.bsky.social) will guide us with a talk titled "Ethical considerations of counterspeech".

2 6

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

What challenges unite counterspeech generation for hate speech and misinformation? Marco Guerini (@marcoguerini.bsky.social) will unpack this intersection.

2 4

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

CSHAM continues with Daniel Russo (@daniel-russo.bsky.social) presenting on “NLP approaches to counterspeech for misinformation”

2 4

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

CSHAM continues with Helena Bonaldi (@helenabon.bsky.social) sharing insights on "NLP approaches to counterspeech against hate".

3 4

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

The tutorial starts with a presentation from Yi-Ling Chung on "Counterspeech in the real world: evidence from social science".

1 5

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 27

CSHAM started 🔥
Join us in Hall N.1-N.2 at #ACL2025NLP
@marcoguerini.bsky.social

2 4

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 26

Last but not least, we present the CSHAM organisers. Daniel Russo (@daniel-russo.bsky.social), Helena Bonaldi (@helenabon.bsky.social), Yi-Ling Chung, Gavin Abercrombie (@gavina.bsky.social), Marco Guerini (@marcoguerini.bsky.social).

We are excited to see you all tomorrow at 2 pm at #ACL2025NLP 👀

3 5

Reposted

land-fbk.bsky.social @land-fbk.bsky.social · Jul 26

LanD(ing) in Vienna for #ACL2025NLP 🚀

@daniel-russo.bsky.social @helenabon.bsky.social
@docchipinti8.bsky.social
@marcoguerini.bsky.social

3 5

land-fbk.bsky.social @land-fbk.bsky.social · Jul 26

LanD(ing) in Vienna for #ACL2025NLP 🚀

@daniel-russo.bsky.social @helenabon.bsky.social
@docchipinti8.bsky.social
@marcoguerini.bsky.social

3 5

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 8

📣 Planning to attend #ACL2025NLP? Then don’t miss the "NLP for Counterspeech against Hate and Misinformation" tutorial!

🗓️ Sunday, July 27, 2025
🕑 14:00 - 17:30
📍 ACL2025, Austria Center Vienna

Details on our website ⤵️ sites.google.com/view/nlp4csh...

CSHAM

Sunday, July 27 - 14:00-17:30

sites.google.com

2 3

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 18

Delighted to introduce Cathy Buerger, our first invited speaker for the "NLP for Counterspeech against Hate and Misinformation" tutorial. Join us to hear her insightful work on "Co-designing Counterspeech: Rethinking AI's Role" #ACL2025NLP

More details ⤵️
sites.google.com/view/nlp4csh...

CSHAM - Program

Sunday, July 27 ‎(UTC+1)

sites.google.com

5 5

land-fbk.bsky.social @land-fbk.bsky.social · Jul 23

All together once again to greet @estrellavr15.bsky.social who is going back to Spain 💃🏼

1 1

Reposted

CSHAM Tutorial (ACL2025) @csham-tutorial.bsky.social · Jul 23

Simone Fontana (@simofons.bsky.social), Editorial Director at @facta.news, is our second invited speaker! His talk, "Countering Disinformation and Hate Speech: The Role of Journalism", will offer insights from a practitioner’s perspective! #ACL2025NLP

Details ⤵️
sites.google.com/view/nlp4csh...

CSHAM - Program

Sunday, July 27 ‎(UTC+1)

sites.google.com

6 7

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

8/🧵 For more details, you can find the preprint here 👉 arxiv.org/abs/2505.24613

When Harry Meets Superman: The Role of The Interlocutor in Persona-Based Dialogue Generation

Endowing dialogue agents with persona information has proven to significantly improve the consistency and diversity of their generations. While much focus has been placed on aligning dialogues with pr...

arxiv.org

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

7/🧵 🎯Fine-tuned models avoid this copy-paste behavior and reflect deeper persona traits, leading to more authentic persona-based dialogue.

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

6/🧵🎯 Zero-shot models (seem to) perform much better than fine-tuned ones, but only because they copy biographical details from the prompt, making speaker identification trivial and conversations shallow.

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

5/🧵 🎯 LLMs are able to generalize to “unfamiliar” topics (Harry speaking about kryptonite).

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

4/🧵 🎯 LLMs are not able to generalize to “unfamiliar” interlocutors (Harry speaking with Superman).

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

3/🧵 🎯 Speaker personas are easier to recognize when we know the interlocutor’s bio. Thus LLMs don’t just follow their own persona, but adapt to their conversation partner. Still…

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

2/🧵 We cast the problem as a speaker recognition task: given a dialogue, guess the biography of the target speaker. Is it easier to guess if we also know the interlocutor’s biography? Is it easier if both know each other?

🧐 Following our key findings:

1

land-fbk.bsky.social @land-fbk.bsky.social · Jun 4

What happens when Harry meets Superman instead of Sally for a chat? 🧔🦸‍♂️
We explore how LLMs adapt their responses not just to their given persona, but also to their interlocutors’.

📣 New #ACL2025NLP (main) paper by @docchipinti8.bsky.social @marcoguerini.bsky.social @malvinanissim.bsky.social

1/🧵

1 2 3

Reposted

ACL @aclmeeting.bsky.social · Jun 3

🗣️ Discover "NLP for Counterspeech against Hate and Misinformation" at #ACL2025NLP! This tutorial bridges CS, social sciences & policy, exploring among others the role of LLMs. #HateSpeech #Misinformation #NLProc #ResponsibleAI

👉 2025.aclweb.org/program/tuto...

Tutorials

ACL 2025 Conference Overview.

2025.aclweb.org

6 13