activity
20242026
collaborators

13 papers

cs.CL2026

Can Foundation Models Moderate Online Content? Evaluating Instruction- vs. Example-Driven Policy Operationalization

Ayan Majumdar, Shounak Paul, Pushpdeep Singh +6

The growing complexity of content moderation policies presents a critical challenge for their consistent operationalization. While foundation models possess the basic capabilities…

cs.CY2026

Characterizing Bluesky Content Moderation Service: From Automation of Service to Landscape of Harms

Pushpdeep Singh, Sayeh Jarollahi, Ayan Majumdar +5

Empirical research on content moderation is fundamentally constrained by the opaque deployment of moderation systems on major social media platforms. To this end, the recent emerge…

cs.CR2026

On Exercising Governance Power in Decentralized Autonomous Organizations

Vabuk Pahari, Balakrishnan Chandrasekaran, Johnnatan Messias +2

A decentralized autonomous organization (DAO) is a governance entity that allows its stakeholders to manage blockchain-based protocols through smart contracts. The DAO explicitly s…

cs.AI2026

GeoX: Mastering Geospatial Reasoning Through Self-Play and Verifiable Rewards

Kyeongjin Ahn, Seungeon Lee, Krishna P. Gummadi +1

Geospatial reasoning requires solving image-grounded problems over the complex spatial structure of a scene. However, developing this capability is hindered by the cost of annotati…

cs.CR2026

On the Centralization of Governance Power in Decentralized Autonomous Organizations

Vabuk Pahari, Balakrishnan Chandrasekaran, Johnnatan Messias +2

A decentralized autonomous organization (DAO) is a governing entity that empowers its stakeholders (i.e., users who hold one or more of its tokens) to manage blockchain-based proto…

cs.HC2026

The Algorithmic Self-Portrait: Deconstructing Memory in ChatGPT

Abhisek Dash, Soumi Das, Elisabeth Kirsten +6

To enable personalized and context-aware interactions, conversational AI systems have introduced a new mechanism: Memory. Memory creates what we refer to as the Algorithmic Self-po…

cs.HC2026

Bowling with ChatGPT: On the Evolving User Interactions with Conversational AI Systems

Sai Keerthana Karnam, Abhisek Dash, Krishna P. Gummadi +3

Recent studies have discussed how users are increasingly using conversational AI systems, powered by LLMs, for information seeking, decision support, and even emotional support. Ho…

cs.CY2026

Does Ad-Free Mean Less Data Collection? An Empirical Study of Platform Data Practices and User Expectations

Sepehr Mousavi, Abhisek Dash, Savvas Zannettou +1

Online platforms increasingly offer "paid" ad-free subscriptions as an alternative to the traditional "free" ad-based model. The transition to ad-free models ostensibly removes adv…

cs.CY2025

Setting the Course, but Forgetting to Steer: Analyzing Compliance with GDPR's Right of Access to Data by Instagram, TikTok, and YouTube

Sai Keerthana Karnam, Abhisek Dash, Antariksh Das +6

The GDPR's Right of Access aims to empower users with control over their personal data via Data Download Packages (DDPs). However, their effectiveness is often compromised by incon…

cs.SI2025

Studying Behavioral Addiction by Combining Surveys and Digital Traces: A Case Study of TikTok

Cai Yang, Sepehr Mousavi, Abhisek Dash +2

Opaque algorithms disseminate and mediate the content that users consume on online social media platforms. This algorithmic mediation serves users with contents of their liking, on…

cs.CY2024

Sponsored is the New Organic: Implications of Sponsored Results on Quality of Search Results in the Amazon Marketplace

Abhisek Dash, Saptarshi Ghosh, Animesh Mukherjee +2

Interleaving sponsored results (advertisements) amongst organic results on search engine result pages (SERP) has become a common practice across multiple digital platforms. Adverti…

cs.HC2024

(De)Noise: Moderating the Inconsistency Between Human Decision-Makers

Nina Grgić-Hlača, Junaid Ali, Krishna P. Gummadi +1

Prior research in psychology has found that people's decisions are often inconsistent. An individual's decisions vary across time, and decisions vary even more across people. Incon…

cs.CY2024

Investigating Nudges toward Related Sellers on E-commerce Marketplaces: A Case Study on Amazon

Abhisek Dash, Abhijnan Chakraborty, Saptarshi Ghosh +2

E-commerce marketplaces provide business opportunities to millions of sellers worldwide. Some of these sellers have special relationships with the marketplace by virtue of using th…