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Eshwar Chandrasekharan

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From Web(logs) to Web(AI): Questions, Platforms, and Methods across Twenty Editions of ICWSM

Over twenty editions, the ICWSM community has examined social life online as platforms, interactions, and research methods have changed. What can this body of research tell us at this critical juncture, as AI increasingly reshapes how people communicate online? We analyzed 2,139 indexed contributions from 2007 to 2026,...

Koustuv Saha, Eshwar Chandrasekharan · 0 citations
Preprint Sep 2026

The Wisdom of the Loudest: A Large-Scale Audit of Generative Search on Reddit

Online communities are valued not only for answers, but for the diversity of experiences and perspectives they contain. Generative search increasingly mediates access to this discourse, yet little is known about which community voices survive retrieval and synthesis. We audit Reddit Answers using 10,000 queries from 20...

Agam Goyal, Wang Claire, Eshwar Chandrasekharan · 0 citations
#artificial intelligence Preprint Sep 2026

Trustworthy FinAInce: Unpacking How AI-Mediated Financial Advice is Judged

A randomized vignette experiment with 285 U.S. adults across eight financial decisions independently varying three advice styles---AI, expert, and online community---and displayed source labels while holding the underlying recommendation consistent found expert-style advice remained most preferred when shown without so...

A. Kapadia, Eshwar Chandrasekharan, Koustuv Saha · 0 citations
#human-computer interacti... Preprint Sep 2026

Stereotypically Yours: Portrayal and Perception of Race-Coded AI Companions

AI companions can purportedly adopt racial personas, raising questions about how they represent identity and how users interpret these portrayals. We combined an algorithmic audit of race-coded AI personas with interviews with 12 companion users who interacted with a probe. Our audit revealed systematic differences, su...

Wang Claire, J. Shi, Agam Goyal et al. · 0 citations
#human-computer interacti... Preprint Sep 2025

Mind Your Ps and Qs: Positive Moderation Practice in the Positive Queue

The Positive Queue is introduced as a positive counterpart to Reddit's modqueue: a dedicated space for moderators to discover contributions and behaviors they want to encourage and positively reinforce, and conceptualize positive moderation as recognition infrastructure that shapes what moderators notice, whose judgmen...

Charlotte Lambert, Agam Goyal, Eunice Mok et al. · 0 citations
#artificial intelligence Preprint Sep 2026

PeerPen: AI-Assisted Writing for Online Mental Health Peer Support

PeerPen, a writing assistance tool embedded within a Reddit-like interface, supporting two main features: draft generation and revision of user-written responses, is built and it is found that PeerPen reduced the burden of composing responses and increased confidence in offering support.

J. Kim, S. Gong, Maya Ajit et al. · 0 citations

LLUMI: Improving LLM Writing Assistance for Mental Health Support with Online Community Feedback

The findings suggest that open-source models, when trained with community-derived preference signals, can support high-quality mental health support assistance while offering a more privacy-preserving alternative for sensitive support contexts.

J. Kim, Maya Ajit, S. Gong et al. · 4 citations
#artificial intelligence Preprint Aug 2026

Facts Without Rules: Boundary Metadata Collapse in Multi-Agent LLM Handoffs

It is shown that this handoff step is a structural source of privacy leakage: summaries preferentially preserve operational facts while weakening the boundary metadata that governs how those facts may be used---a failure mode the authors call summary collapse.

Yian Wang, Agam Goyal, Eshwar Chandrasekharan et al. · 0 citations

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