activity
20232026
most citedInteractive Content Diversity and User Exploration in Online Movie Recommenders: A Field Experiment

14 citations · 29 across the 8 of their papers we have counts for

collaborators

8 papers

cs.IR2026

Balancing Domestic and Global Perspectives: Evaluating Dual-Calibration and LLM-Generated Nudges for Diverse News Recommendation

Ruixuan Sun, Matthew Zent, Minzhu Zhao +3

In this study, we applied the ``personalized diversity nudge framework'' with the goal of expanding user reading coverage in terms of news locality (i.e., domestic and world news).…

cs.HC2025

Co-Authoring the Self: A Human-AI Interface for Interest Reflection in Recommenders

Ruixuan Sun, Junyuan Wang, Sanjali Roy +1

Natural language-based user profiles in recommender systems have been explored for their interpretability and potential to help users scrutinize and refine their interests, thereby…

cs.IR2024★ 3 cited

Large Language Models as Conversational Movie Recommenders: A User Study

Ruixuan Sun, Xinyi Li, Avinash Akella +1

This paper explores the effectiveness of using large language models (LLMs) for personalized movie recommendations from users' perspectives in an online field experiment. Our study…

cs.IR2024★ 1 cited

What Are We Optimizing For? A Human-centric Evaluation of Deep Learning-based Movie Recommenders

Ruixuan Sun, Xinyi Wu, Avinash Akella +3

In the past decade, deep learning (DL) models have gained prominence for their exceptional accuracy on benchmark datasets in recommender systems (RecSys). However, their evaluation…

cs.HC2023★ 14 cited

Interactive Content Diversity and User Exploration in Online Movie Recommenders: A Field Experiment

Ruixuan Sun, Avinash Akella, Ruoyan Kong +2

Recommender systems often struggle to strike a balance between matching users' tastes and providing unexpected recommendations. When recommendations are too narrow and fail to cove…

cs.LG2023★ 4 cited

Less Can Be More: Exploring Population Rating Dispositions with Partitioned Models in Recommender Systems

Ruixuan Sun, Ruoyan Kong, Qiao Jin +1

In this study, we partition users by rating disposition - looking first at their percentage of negative ratings, and then at the general use of the rating scale. We hypothesize tha…

cs.HC2023★ 4 cited

Getting the Most from Eye-Tracking: User-Interaction Based Reading Region Estimation Dataset and Models

Ruoyan Kong, Ruixuan Sun, Charles Chuankai Zhang +4

A single digital newsletter usually contains many messages (regions). Users' reading time spent on, and read level (skip/skim/read-in-detail) of each message is important for platf…

cs.HC2023★ 3 cited

Multi-Objective Personalization in Multi-Stakeholder Organizational Bulk E-mail: A Field Experiment

Ruoyan Kong, Chuankai Zhang, Ruixuan Sun +3

Bulk email is often used in organizations to communicate ``important-to-organization'' messages such as policy changes, organizational plans, and administrative updates. However, n…