Bias and debias in recommender system: A survey and future directions

J Chen, H Dong, X Wang, F Feng, M Wang… - ACM Transactions on …, 2023 - dl.acm.org
While recent years have witnessed a rapid growth of research papers on recommender
system (RS), most of the papers focus on inventing machine learning models to better fit …

Bias issues and solutions in recommender system: Tutorial on the recsys 2021

J Chen, X Wang, F Feng, X He - … of the 15th ACM Conference on …, 2021 - dl.acm.org
Recommender systems (RS) have demonstrated great success in information seeking.
Recent years have witnessed a large number of work on inventing recommendation models …

TransGNN: Harnessing the collaborative power of transformers and graph neural networks for recommender systems

P Zhang, Y Yan, X Zhang, C Li, S Wang… - Proceedings of the 47th …, 2024 - dl.acm.org
Graph Neural Networks (GNNs) have emerged as promising solutions for collaborative
filtering (CF) through the modeling of user-item interaction graphs. The nucleus of existing …

Improving graph neural network for session-based recommendation system via non-sequential interactions

TR Gwadabe, Y Liu - Neurocomputing, 2022 - Elsevier
In the absence of user profile information, recommender systems have to only rely on current
session information for recommendation. E-commerce sites may use transitions between …

Counterfactual video recommendation for duration debiasing

S Tang, Q Li, D Wang, C Gao, W Xiao, D Zhao… - Proceedings of the 29th …, 2023 - dl.acm.org
Duration bias widely exists in video recommendations, where models tend to recommend
short videos for the higher ratio of finish playing and thus possibly fail to capture users' true …

Leveraging watch-time feedback for short-video recommendations: A causal labeling framework

Y Zhang, Y Bai, J Chang, X Zang, S Lu, J Lu… - Proceedings of the …, 2023 - dl.acm.org
With the proliferation of short video applications, the significance of short video
recommendations has vastly increased. Unlike other recommendation scenarios, short …

Dvr: Micro-video recommendation optimizing watch-time-gain under duration bias

Y Zheng, C Gao, J Ding, L Yi, D Jin, Y Li… - Proceedings of the 30th …, 2022 - dl.acm.org
Recommender systems are prone to be misled by biases in the data. Models trained with
biased data fail to capture the real interests of users, thus it is critical to alleviate the impact …

Personalization of study material based on predicted final grades using multi-criteria user-collaborative filtering recommender system

DF Murad, Y Heryadi, SM Isa, W Budiharto - Education and Information …, 2020 - Springer
The recommender system has gained research attention from education research
communities mainly due to two main reasons: increasing needs for personalized learning …

Revisiting popularity and demographic biases in recommender evaluation and effectiveness

N Neophytou, B Mitra, C Stinson - European Conference on Information …, 2022 - Springer
Recommendation algorithms are susceptible to popularity bias: a tendency to recommend
popular items even when they fail to meet user needs. A related issue is that the …

ReCRec: Reasoning the causes of implicit feedback for debiased recommendation

S Lin, S Zhou, J Chen, Y Feng, Q Shi, C Chen… - ACM Transactions on …, 2024 - dl.acm.org
Implicit feedback (eg, user clicks) is widely used in building recommender systems (RS).
However, the inherent notorious exposure bias significantly affects recommendation …