Search Results for author: Jun Lei

Found 13 papers, 5 papers with code

Efficient Transfer Learning Framework for Cross-Domain Click-Through Rate Prediction

no code implementations29 Aug 2024 Qi Liu, Xingyuan Tang, Jianqiang Huang, Xiangqian Yu, Haoran Jin, Jin Chen, Yuanhao Pu, Defu Lian, Tan Qu, Zhe Wang, Jia Cheng, Jun Lei

The challenges include the inefficiencies arising from the management of extensive source data and the problem of 'catastrophic forgetting' that results from the CTR model's daily updating.

Click-Through Rate Prediction Recommendation Systems +1

DA-HFNet: Progressive Fine-Grained Forgery Image Detection and Localization Based on Dual Attention

no code implementations3 Jun 2024 Yang Liu, Xiaofei Li, Jun Zhang, Shengze Hu, Jun Lei

The increasing difficulty in accurately detecting forged images generated by AIGC(Artificial Intelligence Generative Content) poses many risks, necessitating the development of effective methods to identify and further locate forged areas.

AT4CTR: Auxiliary Match Tasks for Enhancing Click-Through Rate Prediction

no code implementations9 Dec 2023 Qi Liu, Xuyang Hou, Defu Lian, Zhe Wang, Haoran Jin, Jia Cheng, Jun Lei

Most existing methods focus on the network architecture design of the CTR model for better accuracy and suffer from the data sparsity problem.

Click-Through Rate Prediction Collaborative Filtering +2

Deep Group Interest Modeling of Full Lifelong User Behaviors for CTR Prediction

no code implementations15 Nov 2023 Qi Liu, Xuyang Hou, Haoran Jin, Xiaolong Chen, Jin Chen, Defu Lian, Zhe Wang, Jia Cheng, Jun Lei

The insights from this subset reveal the user's decision-making process related to the candidate item, improving prediction accuracy.

Click-Through Rate Prediction

STGIN: Spatial-Temporal Graph Interaction Network for Large-scale POI Recommendation

no code implementations5 Sep 2023 Shaohua Liu, Yu Qi, Gen Li, Mingjian Chen, Teng Zhang, Jia Cheng, Jun Lei

Specifically, we construct subgraphs of spatial, temporal, spatial-temporal, and global views respectively to precisely characterize the user's interests in various contexts.

graph construction Graph Sampling

Tensor Completion via Leverage Sampling and Tensor QR Decomposition for Network Latency Estimation

no code implementations27 Jun 2023 Jun Lei, Ji-Qian Zhao, Jing-Qi Wang, An-Bao Xu

The main idea of our method is improving the tensor leverage sampling strategy and introduce tensor QR decomposition into tensor completion.

Hybrid CNN Based Attention with Category Prior for User Image Behavior Modeling

1 code implementation5 May 2022 Xin Chen, Qingtao Tang, Ke Hu, Yue Xu, Shihang Qiu, Jia Cheng, Jun Lei

In Meituan, one of the largest e-commerce platform in China, an item is typically displayed with its image and whether a user clicks the item or not is usually influenced by its image, which implies that user's image behaviors are helpful for understanding user's visual preference and improving the accuracy of CTR prediction.

Click-Through Rate Prediction Prediction

Continual Learning for CTR Prediction: A Hybrid Approach

no code implementations18 Jan 2022 Ke Hu, Yi Qi, Jianqiang Huang, Jia Cheng, Jun Lei

To address this problem, we formulate CTR prediction as a continual learning task and propose COLF, a hybrid COntinual Learning Framework for CTR prediction, which has a memory-based modular architecture that is designed to adapt, learn and give predictions continuously when faced with non-stationary drifting click data streams.

Click-Through Rate Prediction Continual Learning +1

AutoHEnsGNN: Winning Solution to AutoGraph Challenge for KDD Cup 2020

1 code implementation25 Nov 2021 Jin Xu, Mingjian Chen, Jianqiang Huang, Xingyuan Tang, Ke Hu, Jian Li, Jia Cheng, Jun Lei

Graph Neural Networks (GNNs) have become increasingly popular and achieved impressive results in many graph-based applications.

Graph Classification Node Classification

Deep Position-wise Interaction Network for CTR Prediction

1 code implementation10 Jun 2021 Jianqiang Huang, Ke Hu, Qingtao Tang, Mingjian Chen, Yi Qi, Jia Cheng, Jun Lei

Click-through rate (CTR) prediction plays an important role in online advertising and recommender systems.

Click-Through Rate Prediction Position +2

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