
Assistant Prof @siebelschool @UofIllinois. Alt- https://xitter.cf/t.co/cf6qO4cvkD
United States
Joined September 2011
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Eshwar Chandrasekharan retweeted
Excited to share that our lab has multiple papers accepted at #EMNLP2026 with one nominated for best paper award. So proud of the students who put in an incredible amount of hard work to make this possible.
@ICatUIUC @uiuc_nlp @siebelschool @UofIllinois
Eshwar Chandrasekharan retweeted
The Interactive Computing group @ UIUC will have a strong presence at #CHI26, with several papers receiving paper awards. 🏆
We’re starting by highlighting our award-winning papers and where you can catch them during the conference
🧵
The words you pick online aren't just style choices. They shape which ideas get seen and rewarded. And most community guidelines don't even address this.
Excited to see @_agam_goyal_ present this work at #CHI2026!
🚨 New paper alert at #CHI2026!
In order to learn from aggregated community preferences, we often treat upvotes, golds, and awards as signals of what communities value. But which linguistic features actually drive those signals, and which are just surface correlations?
I’ll be presenting my work "The Language of Approval: Identifying the Drivers of Positive Feedback Online" at CHI 2026 in Barcelona, Spain 🇪🇸
🔗 arxiv.org/pdf/2509.10370
In this paper, we study 100 Reddit communities and use causal inference to identify which linguistic features actually drive positive feedback like upvotes, gold, and awards.
Huge thanks to @lambert_char and my advisor @eshwar_chan for their help!
More details in 🧵 [1/7]
Eshwar Chandrasekharan retweeted
Current benchmarks for argument summarization overlook the nuance and messiness of online arguments. @gurjar_omkar’s #EMNLP2025 paper ft. @_agam_goyal_ @eshwar_chan @siebelschool introduces a new benchmark built from naturally-occurring Reddit debates.
📝go.illinois.edu/emnlp3
Eshwar Chandrasekharan retweeted
When 1 LLM can’t handle all the chaos of online moderation, assemble a team!
@_agam_goyal_'s #EMNLP2025 paper ft. @kous2v, @eshwar_chan @siebelschool introduces MoMoE, a Mixture of Moderation Experts where models work toward fairer, scalable moderation.
📝go.illinois.edu/emnlp2
Eshwar Chandrasekharan retweeted
AI companions can help you open up… and quietly make you feel more alone...
Check out this thoughtful piece by @siebelschool's @kous2v on the paradox of ''synthetic friends'' and why design should point people back to people!
psychologytoday.com/us/blog/…
Eshwar Chandrasekharan retweeted
Journalism shares information, but not always without cost. New paper presented at @ACM_CSCW by Yian Wang, Mukhilshankar Umashankar, @eshwar_chan & @harisundaram0 studies antisocial behavior online shapes what journalists say and what they hold back.
📝arxiv.org/abs/2508.15061
Eshwar Chandrasekharan retweeted
ICYMI: Moderation isn’t just rules; it’s how communities learn to stay fair.
Vinay presented Venire @ACM_CSCW. A tool that learns from Reddit mod decisions to flag borderline cases for group review.
📝dl.acm.org/doi/10.1145/37576… ft. Fred, YS, @harisundaram0, @eshwar_chan, @kkarahal
Eshwar Chandrasekharan retweeted
🎉 Congratulations to #ILLINOIS CS professor Eshwar Chandrasekharan on receiving an NSF CAREER award!
His research focuses on developing innovative methods to support community-determined behavior norms in online spaces.🌐💬
▶️bit.ly/3GNx2Sy
Excited to be at #CHI2025 with SCUBA lab folks! @lambert_char and Fred Choi will be presenting papers highlighting the effectiveness of positive reinforcement in shaping social norms and encouraging desirable behavior.
Check out their talks at the 11:10AM session on Tuesday!
In a #CHI2025 paper led by @lambert_char, in collaboration with @kous2v, we conducted a quasi-experimental study and found that Reddit users who received “high scores” and “gold” made more frequent and higher quality posts (i.e., higher scores and fewer removals).
In another #CHI2025 paper led by Fred Choi, we found that YouTube’s “creator hearts” also served as an incentive mechanism to drive user engagement among bystanders. This was a collaboration with @lambert_char, Vinay Koshy, and a team of SCUBA undergrads!
Q: Are fine-tuned SLMs better than LLMs at identifying online content that violate community norms?🤖⚖️
A: Yes!
Find out more in our #NAACL2025 paper co-lead by @_agam_goyal_ and Xianyang Zhan, in collaboration with Yilun Chen and @kous2v
📄 arxiv.org/pdf/2410.13155
🚨 New #NAACL2025 paper alert: “SLM-Mod: Small Language Models Surpass LLMs at Content Moderation”
We show that fine-tuned small language models outperform LLMs like GPT-4o for content moderation tasks, with higher accuracy and recall!
🔗 arXiv: arxiv.org/pdf/2410.13155
🧵[1/7]
Eshwar Chandrasekharan retweeted
UIUC at #CSCW24 💙🧡 @IllinoisCDS @iSchoolUI
@kkarahal @eshwar_chan @YunHuang_HCI @lambert_char @Zihan_Liu_525
Eshwar Chandrasekharan retweeted
Cool works! @lambert_char is also presenting posters on her dissertation research and preliminary insights into the impact positive reinforcement (Reddit golds) on social media #CSCW2024 @eshwar_chan
Excited to attend #CSCW2024! Learn more about our work on measuring epistemic trust, presented by Dominic in session 2e, and the role of positive reinforcement in online moderation, presented by @lambert_char in session 3d, on Tuesday 🤙
Excited to attend #CSCW2024! Learn more about our work on measuring epistemic trust, presented by Dominic in session 2e, and the role of positive reinforcement in online moderation, presented by @lambert_char in session 3d, on Tuesday 🤙
Eshwar Chandrasekharan retweeted
Do Reddit moderators use positive feedback to reward good contributions? @lambert_char, Frederick Choi, and @eshwar_chan find out in a new #CSCW2024 paper exploring the role of positive reinforcement in moderation through a survey of moderators: tinyurl.com/yc746xjc-cscw202…
Eshwar Chandrasekharan retweeted
Blog post coming, but thanks so much to @eshwar_chan for a fantastic keynote at our Frontiers in Online Community Research Symposium at Purdue!
Eshwar Chandrasekharan retweeted
The grand finale of the event was a fantastic keynote by @eshwar_chan on some of the really great work his lab is doing.
A blog post about the event is up at blog.communitydata.science/s…
Eshwar Chandrasekharan retweeted
A few weeks ago we had our lab retreat at Purdue and organized a public-facing symposium. It was great! We had panels and presentations by @diana_zulli @MannMarcus @aaronshaw @makoshark @sohwng @carlcolglazier @kayleachampion about the cutting edge of online community research.
















