activity
20202026
most citedQuarantined! Examining the Effects of a Community-Wide Moderation Intervention on Reddit

7 citations · 18 across the 28 of their papers we have counts for

collaborators

38 papers

cs.SI2026

X-pressing Intimacy: Mental Health Disclosure After Twitter Acquisition

Olivia Pal, Yunhao Yuan, Meghana Mandava +3

Social media platforms provide spaces for individuals to disclose mental health experiences and seek support, yet how these disclosures evolve during major shifts in platform gover…

cs.HC2026

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

Aryan Ramchandra Kapadia, Eshwar Chandrasekharan, Koustuv Saha

As generative AI is increasingly used as a source of personal financial guidance, understanding how people appraise such advice is important for supporting appropriate reliance. We…

cs.SI2026

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

Koustuv Saha, Eshwar Chandrasekharan

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 t…

cs.HC2026

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

Wang Claire, Jiayue Melissa Shi, Agam Goyal +4

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…

cs.HC2026

First Impressions: How Placement Shapes the Influence of AI Summaries

Wang Claire, Agam Goyal, Frederick Choi +2

AI-generated summaries increasingly mediate how people interpret information across platforms, including product reviews on e-commerce sites. Using Amazon's AI summaries as a case…

cs.HC2026

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

Jiwon Kim, Sherry Gong, Maya Ajit +5

Online mental health communities thrive on peer support, yet those who volunteer to help often lack formal training and may struggle to articulate supportive responses. AI co-writi…

cs.IR2026

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

Agam Goyal, Wang Claire, Eshwar Chandrasekharan

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 disco…

cs.AI2026

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

Yian Wang, Agam Goyal, Eshwar Chandrasekharan +1

Multi-agent LLM systems often coordinate by compressing an upstream interaction into a handoff artifact that downstream agents treat as shared state. We show that this handoff step…

cs.HC2026

Using LLMs to Mimic the Conversational Dynamics of Reddit Communities

Vedaant Jain, Yoshee Jain, Ishq Gupta +3

Online communities face a constant battle against toxicity and misinformation. While human moderators struggle to keep pace with the volume of content, LLMs offer a promising solut…

cs.HC2026

How People Evaluate AI-, Expert-, and Peer-Style Financial Advice

Aryan Ramchandra Kapadia, Eshwar Chandrasekharan, Koustuv Saha

As generative AI increasingly becomes a common source of daily decision-making, including financial choices, it is critical to understand how people evaluate AI-generated financial…

cs.CL2026

Prompt PerturbAItions: Mechanisms of LLM Response Inconsistencies

Soorya Ram Shimgekar, Agam Goyal, Amruta Parulekar +6

Large language models (LLMs) are increasingly deployed in conversational settings where user phrasing ranges from polite to casual to toxic, yet less is known about whether such le…

cs.SI2026

Algorithmic Cultivation: How Social Media Feeds Shape User Language

Olivia Pal, Agam Goyal, Eshwar Chandrasekharan +1

Algorithmic feeds have become primary environments for encountering information online, yet while they shape what people see, less is known about how sustained feed exposure shapes…

cs.HC2026

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

Jiwon Kim, Maya Ajit, Sherry Gong +4

Large language models (LLMs) show promise in generating supportive responses for mental health queries, but improving their usefulness, empathy, and safety often requires substanti…

cs.IR2026

Masking or Mitigating? Deconstructing the Impact of Query Rewriting on Retriever Biases in RAG

Agam Goyal, Koyel Mukherjee, Apoorv Saxena +3

Dense retrievers in retrieval-augmented generation (RAG) systems exhibit systematic biases -- including brevity, position, literal matching, and repetition biases -- that can compr…

cs.CL2026

From Plausible to Causal: Counterfactual Semantics for Policy Evaluation in Simulated Online Communities

Agam Goyal, Yian Wang, Eshwar Chandrasekharan +1

LLM-based social simulations can generate believable community interactions, enabling ``policy wind tunnels'' where governance interventions are tested before deployment. But belie…

cs.CL2026

Social Simulacra in the Wild: AI Agent Communities on Moltbook

Agam Goyal, Olivia Pal, Hari Sundaram +2

As autonomous LLM-based agents increasingly populate social platforms, understanding the dynamics of AI-agent communities becomes essential for both communication research and plat…

cs.IR2026

Answer Bubbles: Information Exposure in AI-Mediated Search

Michelle Huang, Agam Goyal, Koustuv Saha +1

Generative search systems are increasingly replacing link-based retrieval with AI-generated summaries, yet little is known about how these systems differ in sources, language, and…

cs.SI2026

The Hidden Toll of Social Media News: Causal Effects on Psychosocial Wellbeing

Olivia Pal, Agam Goyal, Eshwar Chandrasekharan +1

News consumption on social media has become ubiquitous, yet how different forms of engagement shape psychosocial outcomes remains unclear. To address this gap, we leveraged a large…

cs.HC2026

PAIR-SAFE: A Paired-Agent Approach for Runtime Auditing and Refining AI-Mediated Mental Health Support

Jiwon Kim, Violeta J. Rodriguez, Dong Whi Yoo +2

LLMs are increasingly used for mental health support, yet they can produce responses that are overly directive, inconsistent, or clinically misaligned. Most risk mitigation approac…

cs.HC2026

VASTU: Language Models Struggle to Recognize Online Community Values

Agam Goyal, Xianyang Zhan, Charlotte Lambert +2

Online communities develop distinct norms for content they collectively value, yet it remains unclear whether current language models can recognize locally valued contributions in…

cs.HC2025

"Think about it like you're a firefighter": Understanding How Reddit Moderators Use the Modqueue

Tanvi Bajpai, Eshwar Chandrasekharan

On Reddit, the moderation queue (modqueue) is a primary interface for moderators to review reported content. Despite its central role in Reddit's community-reliant moderation model…

cs.HC2025

PILOT: Control Surfaces for Authoring Social Media Feeds

Frederick Choi, Agam Goyal, Eshwar Chandrasekharan

Personalized social media feeds infer preferences from behavior, leaving people little direct control over what they see. Existing controls range from post-level reactions to rules…

cs.HC2025

The Ranking Effect: How Algorithmic Rank Influences Attention on Social Media

Jackie Chan, Fred Choi, Koustuv Saha +1

Social media feeds have become central to the Internet. Among the most visible are trending feeds, which rank content deemed timely and relevant. To examine how feed signals influe…

cs.HC2025

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

Charlotte Lambert, Agam Goyal, Eunice Mok +1

Online communities rely on volunteer moderators to maintain order. Despite their key role, moderators are given a toolbox of punishments and far less support for encouraging contri…