collaborators

6 papers

cs.CL2026

OrthoGeoLoRA: Geometric Parameter-Efficient Fine-Tuning for Structured Social Science Concept Retrieval on theWeb

Zeqiang Wang, Xinyue Wu, Chenxi Li +4

Large language models and text encoders increasingly power web-based information systems in the social sciences, including digital libraries, data catalogues, and search interfaces…

cs.SI2025

Understanding the Complexities of Responsibly Sharing NSFW Content Online

Shalini Jangra, Zaid Almahmoud, Suparna De +3

Reddit is in the minority of mainstream social platforms that permit posting content that may be considered to be at the edge of what is permissible, including so-called Not Safe F…

cs.CR2025

Supporting Socially Constrained Private Communications with SecureWhispers

Vinod Khandkar, Kieron Ivy Turk, Ehsan Toreini +1

Rapidly changing social norms and national, legal, and political conditions socially constrain people from discussing sensitive topics such as sexuality or religion. Such constrain…

cs.CL2025

Protecting Vulnerable Voices: Synthetic Dataset Generation for Self-Disclosure Detection

Shalini Jangra, Suparna De, Nishanth Sastry +1

Social platforms such as Reddit have a network of communities of shared interests, with a prevalence of posts and comments from which one can infer users' Personal Information Iden…

cs.CL2025

Conversation Kernels: A Flexible Mechanism to Learn Relevant Context for Online Conversation Understanding

Vibhor Agarwal, Arjoo Gupta, Suparna De +1

Understanding online conversations has attracted research attention with the growth of social networks and online discussion forums. Content analysis of posts and replies in online…

cs.SI2025

Unpacking the Layers: Exploring Self-Disclosure Norms, Engagement Dynamics, and Privacy Implications

Ehsan-Ul Haq, Shalini Jangra, Suparna De +2

This paper characterizes the self-disclosure behavior of Reddit users across 11 different types of self-disclosure. We find that at least half of the users share some type of discl…