collaborators

6 papers

cs.IR2026

From Click Modeling to Offline and Off-Policy Evaluation in Carousel Recommendation

Jingwei Kang

Carousel interfaces are widely used in modern recommendation systems. Unlike traditional interfaces that present a single ranked list, carousels simultaneously present several rank…

cs.IR2026

Revisiting N2DCG: An Empirically Grounded Reformulation of Carousel Recommendation Evaluation

Jingwei Kang, Santiago de Leon-Martinez, Maarten de Rijke +1

Carousel interfaces have been widely used in video and music streaming services, yet it remains unclear how to properly evaluate recommender systems in these two-dimensional layout…

cs.IR2026

Following the Eye-Tracking Evidence: Established Web-Search Assumptions Fail in Carousel Interfaces

Jingwei Kang, Maarten de Rijke, Harrie Oosterhuis

Carousel interfaces have been the de-facto standard for streaming media services for over a decade. Yet, there has been very little research into user behavior with such interfaces…

cs.IR2025

A Large-Scale Web Search Dataset for Federated Online Learning to Rank

Marcel Gregoriadis, Jingwei Kang, Johan Pouwelse

The centralized collection of search interaction logs for training ranking models raises significant privacy concerns. Federated Online Learning to Rank (FOLTR) offers a privacy-pr…

cs.IR2025

Rethinking Click Models in Light of Carousel Interfaces: Theory-Based Categorization and Design of Click Models

Jingwei Kang, Maarten de Rijke, Santiago de Leon-Martinez +1

Click models are a well-established for modeling user interactions with web interfaces. Previous work has mainly focused on traditional single-list web search settings; this includ…

cs.IR2025

RecGaze: The First Eye Tracking and User Interaction Dataset for Carousel Interfaces

Santiago de Leon-Martinez, Jingwei Kang, Robert Moro +4

Carousel interfaces are widely used in e-commerce and streaming services, but little research has been devoted to them. Previous studies of interfaces for presenting search and rec…