Search Results for author: Jia Cheng

Found 15 papers, 6 papers with code

MoPE: Mixture of Prefix Experts for Zero-Shot Dialogue State Tracking

2 code implementations12 Apr 2024 Tianwen Tang, Tong Zhu, Haodong Liu, Yin Bai, Jia Cheng, Wenliang Chen

Zero-shot dialogue state tracking (DST) transfers knowledge to unseen domains, reducing the cost of annotating new datasets.

Dialogue State Tracking

DiffusionDialog: A Diffusion Model for Diverse Dialog Generation with Latent Space

no code implementations10 Apr 2024 Jianxiang Xiang, Zhenhua Liu, Haodong Liu, Yin Bai, Jia Cheng, Wenliang Chen

Previous studies attempted to introduce discrete or Gaussian-based continuous latent variables to address the one-to-many problem, but the diversity is limited.

Denoising Dialogue Generation

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, Jin Chen, Zhe Wang, Defu Lian, Tan Qu, 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

Automatic extraction and 3D reconstruction of split wire from point cloud data based on improved DPC algorithm

no code implementations10 Nov 2023 Jia Cheng

In order to solve the problem of point cloud data splitting improved by DPC algorithm, a research on automatic separation and 3D reconstruction of point cloud data split lines is proposed.

3D Reconstruction

Robust Safe Reinforcement Learning under Adversarial Disturbances

no code implementations11 Oct 2023 Zeyang Li, Chuxiong Hu, Shengbo Eben Li, Jia Cheng, Yunan Wang

To address this challenge, this paper proposes a robust safe reinforcement learning framework that tackles worst-case disturbances.

reinforcement-learning Safe Reinforcement Learning

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

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

no code implementations5 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

6-DoF Pose Estimation of Household Objects for Robotic Manipulation: An Accessible Dataset and Benchmark

1 code implementation11 Mar 2022 Stephen Tyree, Jonathan Tremblay, Thang To, Jia Cheng, Terry Mosier, Jeffrey Smith, Stan Birchfield

We propose a set of toy grocery objects, whose physical instantiations are readily available for purchase and are appropriately sized for robotic grasping and manipulation.

Pose Estimation Robotic Grasping

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

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 +1

Camera-to-Robot Pose Estimation from a Single Image

2 code implementations21 Nov 2019 Timothy E. Lee, Jonathan Tremblay, Thang To, Jia Cheng, Terry Mosier, Oliver Kroemer, Dieter Fox, Stan Birchfield

We show experimental results for three different camera sensors, demonstrating that our approach is able to achieve accuracy with a single frame that is better than that of classic off-line hand-eye calibration using multiple frames.

Robotics

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