activity
20172026
most cited"It's a Fair Game", or Is It? Examining How Users Navigate Disclosure Risks and Benefits When Using LLM-Based Conversational Agents

87 citations · 178 across the 16 of their papers we have counts for

collaborators

17 papers

cs.CR2026

AgentDoxx: Agentic Re-identification of Anonymized Text with Web Search

Jianing Wen, Tianshi Li

As Large Language Models (LLMs) gain tool use capabilities such as web search, they can retrieve and cross-reference public information, creating privacy risks beyond memorization.…

cs.AI2026

CIDER: A Dataset of Contextual Disclosure Boundaries for Privacy Preference Alignment

Bingcan Guo, Eryue Xu, Jijie Zhou +2

Aligning large language models (LLMs) with human privacy preferences requires capturing individuals' disclosure boundaries beyond general privacy norms. However, a gap remains in e…

cs.CR2026

LLM Anonymization Against Agentic Re-Identification

Ziwen Li, Jianing Wen, Tianshi Li

Agentic LLMs with web search change the threat model for text anonymization: weak contextual cues can become cross-referenceable evidence for re-identification, yet those same deta…

cs.HC2025

Autonomy Reshapes How Personalization Affects Privacy Concerns and Trust in LLM Agents

Zhiping Zhang, Yi Evie Zhang, Freda Shi +1

LLM agents require personal information for personalization in order to effectively act on users' behalf, but this raises privacy concerns that can discourage data sharing, limitin…

cs.CR2025

PrivacyMotiv: Vulnerability-Centered Persona Journeys for Empathic Privacy Reviews in UX Design

Zeya Chen, Jianing Wen, Yaxing Yao +2

UX professionals routinely conduct design reviews, yet privacy concerns are often overlooked, not only due to limited tools, but more fundamentally from low intrinsic motivation, d…

cs.HC2024★ 2 cited

"I'm categorizing LLM as a productivity tool": Examining ethics of LLM use in HCI research practices

Shivani Kapania, Ruiyi Wang, Toby Jia-Jun Li +2

Large language models are increasingly applied in real-world scenarios, including research and education. These models, however, come with well-known ethical issues, which may mani…

cs.CR2024★ 1 cited

{A New Hope}: Contextual Privacy Policies for Mobile Applications and An Approach Toward Automated Generation

Shidong Pan, Zhen Tao, Thong Hoang +7

Privacy policies have emerged as the predominant approach to conveying privacy notices to mobile application users. In an effort to enhance both readability and user engagement, th…

cs.HC2024★ 17 cited

Matcha: An IDE Plugin for Creating Accurate Privacy Nutrition Labels

Tianshi Li, Lorrie Faith Cranor, Yuvraj Agarwal +1

Apple and Google introduced their versions of privacy nutrition labels to the mobile app stores to better inform users of the apps' data practices. However, these labels are self-r…

cs.HC2024★ 2 cited

Human-Centered Privacy Research in the Age of Large Language Models

Tianshi Li, Sauvik Das, Hao-Ping Lee +3

The emergence of large language models (LLMs), and their increased use in user-facing systems, has led to substantial privacy concerns. To date, research on these privacy concerns…

cs.HC2023★ 87 cited

"It's a Fair Game", or Is It? Examining How Users Navigate Disclosure Risks and Benefits When Using LLM-Based Conversational Agents

Zhiping Zhang, Michelle Jia, Hao-Ping Lee +5

The widespread use of Large Language Model (LLM)-based conversational agents (CAs), especially in high-stakes domains, raises many privacy concerns. Building ethical LLM-based CAs…

cs.HC2023

Shaping the Emerging Norms of Using Large Language Models in Social Computing Research

Hong Shen, Tianshi Li, Toby Jia-Jun Li +2

The emergence of Large Language Models (LLMs) has brought both excitement and concerns to social computing research. On the one hand, LLMs offer unprecedented capabilities in analy…

cs.HC2023★ 16 cited

ReactGenie: A Development Framework for Complex Multimodal Interactions Using Large Language Models

Jackie Junrui Yang, Yingtian Shi, Yuhan Zhang +7

By combining voice and touch interactions, multimodal interfaces can surpass the efficiency of either modality alone. Traditional multimodal frameworks require laborious developer…

cs.CR2021★ 2 cited

The Design of the User Interfaces for Privacy Enhancements for Android

Jason I. Hong, Yuvraj Agarwal, Matt Fredrikson +22

We present the design and design rationale for the user interfaces for Privacy Enhancements for Android (PE for Android). These UIs are built around two core ideas, namely that dev…

cs.HC2020★ 32 cited

Decentralized is not risk-free: Understanding public perceptions of privacy-utility trade-offs in COVID-19 contact-tracing apps

Tianshi Li, Jackie, Yang +5

Contact-tracing apps have potential benefits in helping health authorities to act swiftly to halt the spread of COVID-19. However, their effectiveness is heavily dependent on their…

cs.AR2019★ 7 cited

Understanding the Interactions of Workloads and DRAM Types: A Comprehensive Experimental Study

Saugata Ghose, Tianshi Li, Nastaran Hajinazar +2

It has become increasingly difficult to understand the complex interaction between modern applications and main memory, composed of DRAM chips. Manufacturers are now selling and pr…

cs.AR2018

Flexible-Latency DRAM: Understanding and Exploiting Latency Variation in Modern DRAM Chips

Kevin K. Chang, Abhijith Kashyap, Hasan Hassan +7

This article summarizes key results of our work on experimental characterization and analysis of latency variation and latency-reliability trade-offs in modern DRAM chips, which wa…

cs.AR2017★ 12 cited

Using ECC DRAM to Adaptively Increase Memory Capacity

Yixin Luo, Saugata Ghose, Tianshi Li +5

Modern DRAM modules are often equipped with hardware error correction capabilities, especially for DRAM deployed in large-scale data centers, as process technology scaling has incr…