no code implementations • 4 Jan 2024 • Anqi Dong, Can Chen
Complex ecological networks are often characterized by intricate interactions that extend beyond pairwise relationships.
1 code implementation • 30 Dec 2023 • Can Chen, Hao liu, Zeming Liu, Xue Liu, Dejing Dou
In this paper, we propose Dual-space Hierarchical Learning (DHL) to leverage multi-level goal sequences and their hierarchical relationships for conversational recommendation.
1 code implementation • 25 Nov 2022 • Can Chen, Scott T. Weiss, Yang-Yu Liu
Feature selection is a powerful dimension reduction technique which selects a subset of relevant features for model construction.
no code implementations • 21 Nov 2022 • Joshua Pickard, Can Chen, Rahmy Salman, Cooper Stansbury, Sion Kim, Amit Surana, Anthony Bloch, Indika Rajapakse
Recent advances in biological technologies, such as multi-way chromosome conformation capture (3C), require development of methods for analysis of multi-way interactions.
no code implementations • 24 Jul 2022 • Can Chen, Xi Chen, Chen Ma, Zixuan Liu, Xue Liu
In this survey, we first give a formal definition of the gradient-based bi-level optimization.
no code implementations • 6 Jul 2022 • Can Chen, Yang-Yu Liu
As a natural extension of link prediction on graphs, hyperlink prediction aims for the inference of missing hyperlinks in hypergraphs, where a hyperlink can connect more than two nodes.
no code implementations • 31 May 2022 • Can Chen, Chen Ma, Xi Chen, Sirui Song, Hao liu, Xue Liu
Recent works reveal a huge gap between the implicit feedback and user-item relevance due to the fact that implicit feedback is also closely related to the item exposure.
1 code implementation • 6 Apr 2022 • Can Chen, Jingbo Zhou, Fan Wang, Xue Liu, Dejing Dou
Furthermore, we propose to leverage the available protein language model pretrained on protein sequences to enhance the self-supervised learning.
1 code implementation • NeurIPS 2021 • Can Chen, Shuhao Zheng, Xi Chen, Erqun Dong, Xue (Steve) Liu, Hao liu, Dejing Dou
To be specific, GDW unrolls the loss gradient to class-level gradients by the chain rule and reweights the flow of each gradient separately.
1 code implementation • 29 Oct 2021 • Can Chen, Shuhao Zheng, Xi Chen, Erqun Dong, Xue Liu, Hao liu, Dejing Dou
To be specific, GDW unrolls the loss gradient to class-level gradients by the chain rule and reweights the flow of each gradient separately.
no code implementations • INFORMS Journal 2021 • Junming Liu, Weiwei Chen, Jingyuan Yang, Hui Xiong, Can Chen
Summary of Contribution: We propose an iterative prediction-and-optimization algorithm for multilevel distribution network design for e-logistics and evaluate its operational value for online retailers.
no code implementations • 15 Jun 2021 • Amit Surana, Can Chen, Indika Rajapakse
In this paper, we propose two novel approaches for hypergraph comparison.
no code implementations • 25 Nov 2020 • Can Chen, Luca Zanotti Fragonara, Antonios Tsourdos
Autonomous systems need to localize and track surrounding objects in 3D space for safe motion planning.
no code implementations • 9 Sep 2020 • Can Chen, Luca Zanotti Fragonara, Antonios Tsourdos
When localizing and detecting 3D objects for autonomous driving scenes, obtaining information from multiple sensor (e. g. camera, LIDAR) typically increases the robustness of 3D detectors.
no code implementations • 25 May 2020 • Can Chen, Amit Surana, Anthony Bloch, Indika Rajapakse
In this paper, we develop a notion of controllability for hypergraphs via tensor algebra and polynomial control theory.
no code implementations • 20 Dec 2019 • Can Chen, Indika Rajapakse
In this paper, we develop the notion of entropy for uniform hypergraphs via tensor theory.
no code implementations • 23 Sep 2019 • Can Chen, Luca Zanotti Fragonara, Antonios Tsourdos
Unlike conventional operation that directly applies MLPs on high-dimensional features of point cloud, our model goes wider by splitting features into groups in advance, and each group with certain smaller depth is only responsible for respective MLP operation, which can reduce complexity and allows to encode more useful information.
no code implementations • 10 Jun 2019 • Can Chen, Luca Zanotti Fragonara, Antonios Tsourdos
In order to balance model performance and complexity, we introduce a novel neural network architecture exploiting local features from a manually subsampled point set.
3 code implementations • 21 May 2019 • Can Chen, Luca Zanotti Fragonara, Antonios Tsourdos
In this paper, we propose a novel neural network for point cloud, dubbed GAPNet, to learn local geometric representations by embedding graph attention mechanism within stacked Multi-Layer-Perceptron (MLP) layers.
no code implementations • CVPR 2018 • Can Chen, Scott McCloskey, Jingyi Yu
With the rise of misinformation spread via social media channels, enabled by the increasing automation and realism of image manipulation tools, image forensics is an increasingly relevant problem.
no code implementations • CVPR 2017 • Can Chen, Scott McCloskey, Jingyi Yu
Recent advances on image manipulation techniques have made image forgery detection increasingly more challenging.
no code implementations • ICCV 2015 • Haiting Lin, Can Chen, Sing Bing Kang, Jingyi Yu
The other is a data consistency measure based on analysis-by-synthesis, i. e., the difference between the synthesized focal stack given the hypothesized depth map and that from the LF.
no code implementations • CVPR 2014 • Can Chen, Haiting Lin, Zhan Yu, Sing Bing Kang, Jingyi Yu
Our bilateral consistency metric is used to indicate the probability of occlusions by analyzing the SCams.