Model-agnostic counterfactual reasoning for eliminating popularity bias in recommender system

T Wei, F Feng, J Chen, Z Wu, J Yi, X He - Proceedings of the 27th ACM …, 2021 - dl.acm.org
The general aim of the recommender system is to provide personalized suggestions to
users, which is opposed to suggesting popular items. However, the normal training …

Causal attention for interpretable and generalizable graph classification

Y Sui, X Wang, J Wu, M Lin, X He… - Proceedings of the 28th …, 2022 - dl.acm.org
In graph classification, attention-and pooling-based graph neural networks (GNNs) prevail to
extract the critical features from the input graph and support the prediction. They mostly …

Deconfounded video moment retrieval with causal intervention

X Yang, F Feng, W Ji, M Wang, TS Chua - Proceedings of the 44th …, 2021 - dl.acm.org
We tackle the task of video moment retrieval (VMR), which aims to localize a specific
moment in a video according to a textual query. Existing methods primarily model the …

Deconfounded recommendation for alleviating bias amplification

W Wang, F Feng, X He, X Wang, TS Chua - Proceedings of the 27th ACM …, 2021 - dl.acm.org
Recommender systems usually amplify the biases in the data. The model learned from
historical interactions with imbalanced item distribution will amplify the imbalance by over …

Causerec: Counterfactual user sequence synthesis for sequential recommendation

S Zhang, D Yao, Z Zhao, TS Chua, F Wu - Proceedings of the 44th …, 2021 - dl.acm.org
Learning user representations based on historical behaviors lies at the core of modern
recommender systems. Recent advances in sequential recommenders have convincingly …

Causal representation learning for out-of-distribution recommendation

W Wang, X Lin, F Feng, X He, M Lin… - Proceedings of the ACM …, 2022 - dl.acm.org
Modern recommender systems learn user representations from historical interactions, which
suffer from the problem of user feature shifts, such as an income increase. Historical …

Exploring causal learning through graph neural networks: an in-depth review

S Job, X Tao, T Cai, H Xie, L Li, J Yong, Q Li - arXiv preprint arXiv …, 2023 - arxiv.org
In machine learning, exploring data correlations to predict outcomes is a fundamental task.
Recognizing causal relationships embedded within data is pivotal for a comprehensive …

Brave the wind and the waves: Discovering robust and generalizable graph lottery tickets

K Wang, Y Liang, X Li, G Li, B Ghanem… - … on Pattern Analysis …, 2023 - ieeexplore.ieee.org
The training and inference of Graph Neural Networks (GNNs) are costly when scaling up to
large-scale graphs. Graph Lottery Ticket (GLT) has presented the first attempt to accelerate …

User-controllable recommendation against filter bubbles

W Wang, F Feng, L Nie, TS Chua - … of the 45th international ACM SIGIR …, 2022 - dl.acm.org
Recommender systems usually face the issue of filter bubbles: over-recommending
homogeneous items based on user features and historical interactions. Filter bubbles will …

Comprehensive linguistic-visual composition network for image retrieval

H Wen, X Song, X Yang, Y Zhan, L Nie - Proceedings of the 44th …, 2021 - dl.acm.org
Composing text and image for image retrieval (CTI-IR) is a new yet challenging task, for
which the input query is not the conventional image or text but a composition, ie, a reference …