Search Results for author: Zeyu Zhang

Found 75 papers, 46 papers with code

Taxonomy Builder: a Data-driven and User-centric Tool for Streamlining Taxonomy Construction

no code implementations NAACL (HCINLP) 2022 Mihai Surdeanu, John Hungerford, Yee Seng Chan, Jessica MacBride, Benjamin Gyori, Andrew Zupon, Zheng Tang, Haoling Qiu, Bonan Min, Yan Zverev, Caitlin Hilverman, Max Thomas, Walter Andrews, Keith Alcock, Zeyu Zhang, Michael Reynolds, Steven Bethard, Rebecca Sharp, Egoitz Laparra

An existing domain taxonomy for normalizing content is often assumed when discussing approaches to information extraction, yet often in real-world scenarios there is none. When one does exist, as the information needs shift, it must be continually extended.

Text Summarization

FDG-Diff: Frequency-Domain-Guided Diffusion Framework for Compressed Hazy Image Restoration

1 code implementation22 Jan 2025 Ruicheng Zhang, Kanghui Tian, Zeyu Zhang, Qixiang Liu, Zhi Jin

In this study, we reveal that the interaction between haze degradation and JPEG compression introduces complex joint loss effects, which significantly complicate image restoration.

GAMED-Snake: Gradient-aware Adaptive Momentum Evolution Deep Snake Model for Multi-organ Segmentation

1 code implementation22 Jan 2025 Ruicheng Zhang, Haowei Guo, Zeyu Zhang, Puxin Yan, Shen Zhao

Multi-organ segmentation is a critical yet challenging task due to complex anatomical backgrounds, blurred boundaries, and diverse morphologies.

WaveNet-SF: A Hybrid Network for Retinal Disease Detection Based on Wavelet Transform in the Spatial-Frequency Domain

no code implementations21 Jan 2025 Jilan Cheng, Guoli Long, Zeyu Zhang, Zhenjia Qi, Hanyu Wang, Libin Lu, Shuihua Wang, Yudong Zhang, Jin Hong

Retinal diseases are a leading cause of vision impairment and blindness, with timely diagnosis being critical for effective treatment.

ProjectedEx: Enhancing Generation in Explainable AI for Prostate Cancer

1 code implementation2 Jan 2025 Xuyin Qi, Zeyu Zhang, Aaron Berliano Handoko, Huazhan Zheng, Mingxi Chen, Ta Duc Huy, Vu Minh Hieu Phan, Lei Zhang, Linqi Cheng, Shiyu Jiang, Zhiwei Zhang, Zhibin Liao, Yang Zhao, Minh-Son To

Additionally, we conduct comprehensive experiments on both the generator and classifier, demonstrating the clinical relevance and effectiveness of ProjectedEx in enhancing interpretability and supporting the adoption of AI in medical settings.

Attribute Image Generation +2

SegKAN: High-Resolution Medical Image Segmentation with Long-Distance Dependencies

1 code implementation28 Dec 2024 Shengbo Tan, Rundong Xue, Shipeng Luo, Zeyu Zhang, Xinran Wang, Lei Zhang, Daji Ergu, Zhang Yi, Yang Zhao, Ying Cai

Hepatic vessels in computed tomography scans often suffer from image fragmentation and noise interference, making it difficult to maintain vessel integrity and posing significant challenges for vessel segmentation.

Image Segmentation Medical Image Segmentation +1

TrendSim: Simulating Trending Topics in Social Media Under Poisoning Attacks with LLM-based Multi-agent System

no code implementations14 Dec 2024 Zeyu Zhang, Jianxun Lian, Chen Ma, Yaning Qu, Ye Luo, Lei Wang, Rui Li, Xu Chen, Yankai Lin, Le Wu, Xing Xie, Ji-Rong Wen

In this paper, we propose TrendSim, an LLM-based multi-agent system to simulate trending topics in social media under poisoning attacks.

Diffusion Models Meet Network Management: Improving Traffic Matrix Analysis with Diffusion-based Approach

1 code implementation29 Nov 2024 Xinyu Yuan, Yan Qiao, Zhenchun Wei, Zeyu Zhang, Minyue Li, Pei Zhao, Rongyao Hu, Wenjing Li

Moreover, the results also demonstrate that our method can obtain promising results even with $5\%$ known values left in the datasets.

Denoising Management +1

KMM: Key Frame Mask Mamba for Extended Motion Generation

1 code implementation10 Nov 2024 Zeyu Zhang, Hang Gao, Akide Liu, Qi Chen, Feng Chen, Yiran Wang, Danning Li, Hao Tang

The recent Mamba architecture shows promising results in efficiently modeling long and complex sequences, yet two significant challenges remain: Firstly, directly applying Mamba to extended motion generation is ineffective, as the limited capacity of the implicit memory leads to memory decay.

Contrastive Learning Mamba +1

Medical AI for Early Detection of Lung Cancer: A Survey

1 code implementation18 Oct 2024 Guohui Cai, Ying Cai, Zeyu Zhang, Yuanzhouhan Cao, Lin Wu, Daji Ergu, Zhinbin Liao, Yang Zhao

The recent emergence of deep learning has revolutionized medical image analysis, driving substantial advancements in this field.

Deep Learning Lung Cancer Diagnosis +2

CSGDN: Contrastive Signed Graph Diffusion Network for Predicting Crop Gene-phenotype Associations

1 code implementation10 Oct 2024 Yiru Pan, Xingyu Ji, Jiaqi You, Lu Li, Zhenping Liu, Xianlong Zhang, Zeyu Zhang, Maojun Wang

Positive and negative association prediction between gene and phenotype helps to illustrate the underlying mechanism of complex traits in organisms.

Contrastive Learning Link Prediction +1

Verbalized Graph Representation Learning: A Fully Interpretable Graph Model Based on Large Language Models Throughout the Entire Process

no code implementations2 Oct 2024 Xingyu Ji, Jiale Liu, Lu Li, Maojun Wang, Zeyu Zhang

This limits the model to understand the rich semantic information in the data and its reasoning ability for complex downstream tasks, while also lacking interpretability.

Graph Representation Learning

MemSim: A Bayesian Simulator for Evaluating Memory of LLM-based Personal Assistants

1 code implementation30 Sep 2024 Zeyu Zhang, Quanyu Dai, Luyu Chen, Zeren Jiang, Rui Li, Jieming Zhu, Xu Chen, Yi Xie, Zhenhua Dong, Ji-Rong Wen

LLM-based agents have been widely applied as personal assistants, capable of memorizing information from user messages and responding to personal queries.

Diversity Relation Network

DropEdge not Foolproof: Effective Augmentation Method for Signed Graph Neural Networks

no code implementations29 Sep 2024 Zeyu Zhang, Lu Li, Shuyan Wan, Sijie Wang, Zhiyi Wang, Zhiyuan Lu, Dong Hao, Wanli Li

The paper discusses signed graphs, which model friendly or antagonistic relationships using edges marked with positive or negative signs, focusing on the task of link sign prediction.

Data Augmentation Link Sign Prediction

CSPS: A Communication-Efficient Sequence-Parallelism based Serving System for Transformer based Models with Long Prompts

no code implementations23 Sep 2024 Zeyu Zhang, Haiying Shen

However, SP introduces two challenges: 1) network communication and computation become performance bottlenecks; 2) the latter two issues above are mitigated but not resolved, and SP's resultant KV value distribution across GPUs still requires communication for decode, increasing TBT.

Large Language Model

MSDet: Receptive Field Enhanced Multiscale Detection for Tiny Pulmonary Nodule

1 code implementation21 Sep 2024 Guohui Cai, Ying Cai, Zeyu Zhang, Daji Ergu, Yuanzhouhan Cao, Binbin Hu, Zhibin Liao, Yang Zhao

Pulmonary nodules are critical indicators for the early diagnosis of lung cancer, making their detection essential for timely treatment.

Lung Cancer Diagnosis object-detection +1

AnyMatch -- Efficient Zero-Shot Entity Matching with a Small Language Model

1 code implementation6 Sep 2024 Zeyu Zhang, Paul Groth, Iacer Calixto, Sebastian Schelter

Furthermore, our approach exhibits major cost benefits: the average prediction quality of AnyMatch is within 4. 4% of the state-of-the-art method MatchGPT with the proprietary trillion-parameter model GPT-4, yet AnyMatch requires four orders of magnitude less parameters and incurs a 3, 899 times lower inference cost (in dollars per 1, 000 tokens).

Attribute AutoML +4

ESA: Annotation-Efficient Active Learning for Semantic Segmentation

1 code implementation24 Aug 2024 Jinchao Ge, Zeyu Zhang, Minh Hieu Phan, BoWen Zhang, Akide Liu, Yang Zhao

Active learning enhances annotation efficiency by selecting the most revealing samples for labeling, thereby reducing reliance on extensive human input.

Active Learning Semantic Segmentation +1

Self-Explainable Graph Transformer for Link Sign Prediction

1 code implementation16 Aug 2024 Lu Li, Jiale Liu, Xingyu Ji, Maojun Wang, Zeyu Zhang

Our goal is to address the explainability of decision-making for the downstream task of link sign prediction specific to signed graph neural networks.

Decision Making Link Sign Prediction

Mitigating Degree Bias in Signed Graph Neural Networks

no code implementations16 Aug 2024 Fang He, Jinhai Deng, Ruizhan Xue, Maojun Wang, Zeyu Zhang

To handle the confronted bias issue, inspired by previous work on degree bias, a new Model-Agnostic method is consequently proposed to enhance representation of nodes with different degrees, which named as Degree Debiased Signed Graph Neural Network (DD-SGNN) .

Fairness Graph Neural Network +1

Zero-Delay QKV Compression for Mitigating KV Cache and Network Bottlenecks in LLM Inference

no code implementations7 Aug 2024 Zeyu Zhang, Haiying Shen

To tackle these issues, based on our insightful observations from experimental analysis, we propose ZeroC, a Zero-delay QKV Compression system that eliminates time overhead and even reduces computation and communication time of the model operations.

AxiomVision: Accuracy-Guaranteed Adaptive Visual Model Selection for Perspective-Aware Video Analytics

1 code implementation29 Jul 2024 Xiangxiang Dai, Zeyu Zhang, Peng Yang, Yuedong Xu, Xutong Liu, John C. S. Lui

The rapid evolution of multimedia and computer vision technologies requires adaptive visual model deployment strategies to effectively handle diverse tasks and varying environments.

Edge-computing Model Selection +2

XLIP: Cross-modal Attention Masked Modelling for Medical Language-Image Pre-Training

1 code implementation28 Jul 2024 Biao Wu, Yutong Xie, Zeyu Zhang, Minh Hieu Phan, Qi Chen, Ling Chen, Qi Wu

To this end, this paper proposes a XLIP (Masked modelling for medical Language-Image Pre-training) framework to enhance pathological learning and feature learning via unpaired data.

Contrastive Learning Language Modelling

InfiniMotion: Mamba Boosts Memory in Transformer for Arbitrary Long Motion Generation

1 code implementation14 Jul 2024 Zeyu Zhang, Akide Liu, Qi Chen, Feng Chen, Ian Reid, Richard Hartley, Bohan Zhuang, Hao Tang

Text-to-motion generation holds potential for film, gaming, and robotics, yet current methods often prioritize short motion generation, making it challenging to produce long motion sequences effectively: (1) Current methods struggle to handle long motion sequences as a single input due to prohibitively high computational cost; (2) Breaking down the generation of long motion sequences into shorter segments can result in inconsistent transitions and requires interpolation or inpainting, which lacks entire sequence modeling.

Mamba Motion Generation

Motion Avatar: Generate Human and Animal Avatars with Arbitrary Motion

1 code implementation18 May 2024 Zeyu Zhang, Yiran Wang, Biao Wu, Shuo Chen, Zhiyuan Zhang, Shiya Huang, Wenbo Zhang, Meng Fang, Ling Chen, Yang Zhao

Firstly, we proposed a novel agent-based approach named Motion Avatar, which allows for the automatic generation of high-quality customizable human and animal avatars with motions through text queries.

Motion Generation

Generalizing Knowledge Graph Embedding with Universal Orthogonal Parameterization

1 code implementation14 May 2024 Rui Li, Chaozhuo Li, Yanming Shen, Zeyu Zhang, Xu Chen

Recent advances in knowledge graph embedding (KGE) rely on Euclidean/hyperbolic orthogonal relation transformations to model intrinsic logical patterns and topological structures.

Knowledge Graph Embedding Knowledge Graphs

A Survey on the Memory Mechanism of Large Language Model based Agents

1 code implementation21 Apr 2024 Zeyu Zhang, Xiaohe Bo, Chen Ma, Rui Li, Xu Chen, Quanyu Dai, Jieming Zhu, Zhenhua Dong, Ji-Rong Wen

Compared with original LLMs, LLM-based agents are featured in their self-evolving capability, which is the basis for solving real-world problems that need long-term and complex agent-environment interactions.

Language Modeling Language Modelling +1

JointViT: Modeling Oxygen Saturation Levels with Joint Supervision on Long-Tailed OCTA

1 code implementation17 Apr 2024 Zeyu Zhang, Xuyin Qi, Mingxi Chen, Guangxi Li, Ryan Pham, Ayub Qassim, Ella Berry, Zhibin Liao, Owen Siggs, Robert Mclaughlin, Jamie Craig, Minh-Son To

The oxygen saturation level in the blood (SaO2) is crucial for health, particularly in relation to sleep-related breathing disorders.

Closed-Loop Open-Vocabulary Mobile Manipulation with GPT-4V

no code implementations16 Apr 2024 Peiyuan Zhi, Zhiyuan Zhang, Muzhi Han, Zeyu Zhang, Zhitian Li, Ziyuan Jiao, Baoxiong Jia, Siyuan Huang

Autonomous robot navigation and manipulation in open environments require reasoning and replanning with closed-loop feedback.

Instruction Following Multimodal Reasoning +2

Sine Activated Low-Rank Matrices for Parameter Efficient Learning

no code implementations28 Mar 2024 Yiping Ji, Hemanth Saratchandran, Cameron Gordon, Zeyu Zhang, Simon Lucey

Low-rank decomposition has emerged as a vital tool for enhancing parameter efficiency in neural network architectures, gaining traction across diverse applications in machine learning.

3D Shape Modeling

Manifold Regularization Classification Model Based On Improved Diffusion Map

no code implementations24 Mar 2024 Hongfu Guo, Wencheng Zou, Zeyu Zhang, Shuishan Zhang, Ruitong Wang, Jintao Zhang

Manifold regularization model is a semi-supervised learning model that leverages the geometric structure of a dataset, comprising a small number of labeled samples and a large number of unlabeled samples, to generate classifiers.

Auto-Train-Once: Controller Network Guided Automatic Network Pruning from Scratch

1 code implementation CVPR 2024 Xidong Wu, Shangqian Gao, Zeyu Zhang, Zhenzhen Li, Runxue Bao, yanfu Zhang, Xiaoqian Wang, Heng Huang

Current techniques for deep neural network (DNN) pruning often involve intricate multi-step processes that require domain-specific expertise, making their widespread adoption challenging.

Network Pruning

LLM3:Large Language Model-based Task and Motion Planning with Motion Failure Reasoning

1 code implementation18 Mar 2024 Shu Wang, Muzhi Han, Ziyuan Jiao, Zeyu Zhang, Ying Nian Wu, Song-Chun Zhu, Hangxin Liu

Through a series of simulations in a box-packing domain, we quantitatively demonstrate the effectiveness of LLM^3 in solving TAMP problems and the efficiency in selecting action parameters.

Language Modeling Language Modelling +5

Strong and Controllable Blind Image Decomposition

1 code implementation15 Mar 2024 Zeyu Zhang, Junlin Han, Chenhui Gou, Hongdong Li, Liang Zheng

To address this need, we add controllability to the blind image decomposition process, allowing users to enter which types of degradation to remove or retain.

Motion Mamba: Efficient and Long Sequence Motion Generation

1 code implementation12 Mar 2024 Zeyu Zhang, Akide Liu, Ian Reid, Richard Hartley, Bohan Zhuang, Hao Tang

Human motion generation stands as a significant pursuit in generative computer vision, while achieving long-sequence and efficient motion generation remains challenging.

Mamba Motion Generation +2

DiabetesNet: A Deep Learning Approach to Diabetes Diagnosis

1 code implementation12 Mar 2024 Zeyu Zhang, Khandaker Asif Ahmed, Md Rakibul Hasan, Tom Gedeon, Md Zakir Hossain

Diabetes, resulting from inadequate insulin production or utilization, causes extensive harm to the body.

Deep Learning Specificity

SheetAgent: Towards A Generalist Agent for Spreadsheet Reasoning and Manipulation via Large Language Models

no code implementations6 Mar 2024 Yibin Chen, Yifu Yuan, Zeyu Zhang, Yan Zheng, Jinyi Liu, Fei Ni, Jianye Hao

To bridge the gap with the real-world requirements, we introduce $\textbf{SheetRM}$, a benchmark featuring long-horizon and multi-category tasks with reasoning-dependent manipulation caused by real-life challenges.

Language Modeling Language Modelling +2

On the Emergence of Symmetrical Reality

no code implementations26 Jan 2024 Zhenliang Zhang, Zeyu Zhang, Ziyuan Jiao, Yao Su, Hangxin Liu, Wei Wang, Song-Chun Zhu

Artificial intelligence (AI) has revolutionized human cognitive abilities and facilitated the development of new AI entities capable of interacting with humans in both physical and virtual environments.

Mixed Reality

Device-Wise Federated Network Pruning

1 code implementation CVPR 2024 Shangqian Gao, Junyi Li, Zeyu Zhang, yanfu Zhang, Weidong Cai, Heng Huang

Neural network pruning particularly channel pruning is a widely used technique for compressing deep learning models to enable their deployment on edge devices with limited resources.

Edge-computing Federated Learning +1

PAD: Self-Supervised Pre-Training with Patchwise-Scale Adapter for Infrared Images

1 code implementation13 Dec 2023 Tao Zhang, Kun Ding, Jinyong Wen, Yu Xiong, Zeyu Zhang, Shiming Xiang, Chunhong Pan

Self-supervised learning (SSL) for RGB images has achieved significant success, yet there is still limited research on SSL for infrared images, primarily due to three prominent challenges: 1) the lack of a suitable large-scale infrared pre-training dataset, 2) the distinctiveness of non-iconic infrared images rendering common pre-training tasks like masked image modeling (MIM) less effective, and 3) the scarcity of fine-grained textures making it particularly challenging to learn general image features.

Self-Supervised Learning

Enhancing Signed Graph Neural Networks through Curriculum-Based Training

1 code implementation17 Oct 2023 Zeyu Zhang, Lu Li, Xingyu Ji, Kaiqi Zhao, Xiaofeng Zhu, Philip S. Yu, Jiawei Li, Maojun Wang

The prevailing training approach feeds samples (edges) to models in a random order, resulting in equal contributions from each sample during the training process, but fails to account for varying learning difficulties based on the graph's structure.

Link Sign Prediction Representation Learning

SGA: A Graph Augmentation Method for Signed Graph Neural Networks

no code implementations15 Oct 2023 Zeyu Zhang, Shuyan Wan, Sijie Wang, Xianda Zheng, Xinrui Zhang, Kaiqi Zhao, Jiamou Liu, Dong Hao

Signed Graph Neural Networks (SGNNs) are vital for analyzing complex patterns in real-world signed graphs containing positive and negative links.

Data Augmentation Graph Representation Learning +1

SPPNet: A Single-Point Prompt Network for Nuclei Image Segmentation

6 code implementations23 Aug 2023 Qing Xu, Wenwei Kuang, Zeyu Zhang, Xueyao Bao, Haoran Chen, Wenting Duan

Compared to the segment anything model, SPPNet shows roughly 20 times faster inference, with 1/70 parameters and computational cost.

Cell Segmentation Image Segmentation +2

A Survey on Large Language Model based Autonomous Agents

2 code implementations22 Aug 2023 Lei Wang, Chen Ma, Xueyang Feng, Zeyu Zhang, Hao Yang, Jingsen Zhang, ZhiYuan Chen, Jiakai Tang, Xu Chen, Yankai Lin, Wayne Xin Zhao, Zhewei Wei, Ji-Rong Wen

In this paper, we present a comprehensive survey of these studies, delivering a systematic review of the field of LLM-based autonomous agents from a holistic perspective.

Language Modeling Language Modelling +2

BHSD: A 3D Multi-Class Brain Hemorrhage Segmentation Dataset

1 code implementation22 Aug 2023 Biao Wu, Yutong Xie, Zeyu Zhang, Jinchao Ge, Kaspar Yaxley, Suzan Bahadir, Qi Wu, Yifan Liu, Minh-Son To

Intracranial hemorrhage (ICH) is a pathological condition characterized by bleeding inside the skull or brain, which can be attributed to various factors.

Image Segmentation Medical Image Segmentation +2

X-VoE: Measuring eXplanatory Violation of Expectation in Physical Events

1 code implementation ICCV 2023 Bo Dai, Linge Wang, Baoxiong Jia, Zeyu Zhang, Song-Chun Zhu, Chi Zhang, Yixin Zhu

Intuitive physics is pivotal for human understanding of the physical world, enabling prediction and interpretation of events even in infancy.

Unified Off-Policy Learning to Rank: a Reinforcement Learning Perspective

2 code implementations NeurIPS 2023 Zeyu Zhang, Yi Su, Hui Yuan, Yiran Wu, Rishab Balasubramanian, Qingyun Wu, Huazheng Wang, Mengdi Wang

Building upon this, we leverage offline RL techniques for off-policy LTR and propose the Click Model-Agnostic Unified Off-policy Learning to Rank (CUOLR) method, which could be easily applied to a wide range of click models.

Learning-To-Rank Offline RL +3

User Behavior Simulation with Large Language Model based Agents

1 code implementation5 Jun 2023 Lei Wang, Jingsen Zhang, Hao Yang, ZhiYuan Chen, Jiakai Tang, Zeyu Zhang, Xu Chen, Yankai Lin, Ruihua Song, Wayne Xin Zhao, Jun Xu, Zhicheng Dou, Jun Wang, Ji-Rong Wen

Simulating high quality user behavior data has always been a fundamental problem in human-centered applications, where the major difficulty originates from the intricate mechanism of human decision process.

Language Modeling Language Modelling +3

Improving Toponym Resolution with Better Candidate Generation, Transformer-based Reranking, and Two-Stage Resolution

1 code implementation18 May 2023 Zeyu Zhang, Steven Bethard

Geocoding is the task of converting location mentions in text into structured data that encodes the geospatial semantics.

Information Retrieval Retrieval +1

Explainable Verbal Reasoner Plus (EVR+): A Natural Language Reasoning Framework that Supports Diverse Compositional Reasoning

1 code implementation28 Apr 2023 Zhengzhong Liang, Zeyu Zhang, Steven Bethard, Mihai Surdeanu

Languages models have been successfully applied to a variety of reasoning tasks in NLP, yet the language models still suffer from compositional generalization.

Language Modeling Language Modelling

USER: Unsupervised Structural Entropy-based Robust Graph Neural Network

1 code implementation12 Feb 2023 Yifei Wang, Yupan Wang, Zeyu Zhang, Song Yang, Kaiqi Zhao, Jiamou Liu

To this end, we propose USER, an unsupervised robust version of graph neural networks that is based on structural entropy.

Graph Neural Network Link Prediction +1

A Reconfigurable Data Glove for Reconstructing Physical and Virtual Grasps

no code implementations14 Jan 2023 Hangxin Liu, Zeyu Zhang, Ziyuan Jiao, Zhenliang Zhang, Minchen Li, Chenfanfu Jiang, Yixin Zhu, Song-Chun Zhu

In this work, we present a reconfigurable data glove design to capture different modes of human hand-object interactions, which are critical in training embodied artificial intelligence (AI) agents for fine manipulation tasks.

Structural Alignment for Network Pruning through Partial Regularization

no code implementations ICCV 2023 Shangqian Gao, Zeyu Zhang, yanfu Zhang, Feihu Huang, Heng Huang

To mitigate this gap, we first learn a target sub-network during the model training process, and then we use this sub-network to guide the learning of model weights through partial regularization.

Network Pruning

Sequential Manipulation Planning on Scene Graph

1 code implementation10 Jul 2022 Ziyuan Jiao, Yida Niu, Zeyu Zhang, Song-Chun Zhu, Yixin Zhu, Hangxin Liu

We devise a 3D scene graph representation, contact graph+ (cg+), for efficient sequential task planning.

Stochastic Optimization Task Planning +1

Understanding Physical Effects for Effective Tool-use

no code implementations30 Jun 2022 Zeyu Zhang, Ziyuan Jiao, Weiqi Wang, Yixin Zhu, Song-Chun Zhu, Hangxin Liu

We present a robot learning and planning framework that produces an effective tool-use strategy with the least joint efforts, capable of handling objects different from training.

Motion Planning regression +1

RecBole 2.0: Towards a More Up-to-Date Recommendation Library

2 code implementations15 Jun 2022 Wayne Xin Zhao, Yupeng Hou, Xingyu Pan, Chen Yang, Zeyu Zhang, Zihan Lin, Jingsen Zhang, Shuqing Bian, Jiakai Tang, Wenqi Sun, Yushuo Chen, Lanling Xu, Gaowei Zhang, Zhen Tian, Changxin Tian, Shanlei Mu, Xinyan Fan, Xu Chen, Ji-Rong Wen

In order to support the study of recent advances in recommender systems, this paper presents an extended recommendation library consisting of eight packages for up-to-date topics and architectures.

Benchmarking Data Augmentation +3

In Situ Answer Sentence Selection at Web-scale

no code implementations16 Jan 2022 Zeyu Zhang, Thuy Vu, Alessandro Moschitti

Current answer sentence selection (AS2) applied in open-domain question answering (ODQA) selects answers by ranking a large set of possible candidates, i. e., sentences, extracted from the retrieved text.

Multi-Task Learning Open-Domain Question Answering +1

Double Retrieval and Ranking for Accurate Question Answering

no code implementations16 Jan 2022 Zeyu Zhang, Thuy Vu, Alessandro Moschitti

Recent work has shown that an answer verification step introduced in Transformer-based answer selection models can significantly improve the state of the art in Question Answering.

Answer Selection Retrieval

A Comparative Study on Robust Graph Neural Networks to Structural Noises

1 code implementation11 Dec 2021 Zeyu Zhang, Yulong Pei

Although a series of robust GNNs have been proposed, they are evaluated with different structural noises, and it lacks a systematic comparison with consistent settings.

Joint Models for Answer Verification in Question Answering Systems

no code implementations ACL 2021 Zeyu Zhang, Thuy Vu, Alessandro Moschitti

This paper studies joint models for selecting correct answer sentences among the top $k$ provided by answer sentence selection (AS2) modules, which are core components of retrieval-based Question Answering (QA) systems.

Question Answering Retrieval +1

A Dashboard for Mitigating the COVID-19 Misinfodemic

no code implementations EACL 2021 Zhengyuan Zhu, Kevin Meng, Josue Caraballo, Israa Jaradat, Xiao Shi, Zeyu Zhang, Farahnaz Akrami, Haojin Liao, Fatma Arslan, Damian Jimenez, Mohanmmed Samiul Saeef, Paras Pathak, Chengkai Li

This paper describes the current milestones achieved in our ongoing project that aims to understand the surveillance of, impact of and intervention on COVID-19 misinfodemic on Twitter.

Misinformation

Reconstructing Interactive 3D Scenes by Panoptic Mapping and CAD Model Alignments

1 code implementation30 Mar 2021 Muzhi Han, Zeyu Zhang, Ziyuan Jiao, Xu Xie, Yixin Zhu, Song-Chun Zhu, Hangxin Liu

In this paper, we rethink the problem of scene reconstruction from an embodied agent's perspective: While the classic view focuses on the reconstruction accuracy, our new perspective emphasizes the underlying functions and constraints such that the reconstructed scenes provide \em{actionable} information for simulating \em{interactions} with agents.

Common Sense Reasoning

Lineage Evolution Reinforcement Learning

no code implementations26 Sep 2020 Zeyu Zhang, Guisheng Yin

In the process of agent evolution, we refer to the characteristics of natural genetic behavior, add lineage factor to ensure the retention of potential performance of agent, and comprehensively consider the current performance and lineage value when evaluating the performance of agent.

reinforcement-learning Reinforcement Learning +1

A Generate-and-Rank Framework with Semantic Type Regularization for Biomedical Concept Normalization

no code implementations ACL 2020 Dongfang Xu, Zeyu Zhang, Steven Bethard

Concept normalization, the task of linking textual mentions of concepts to concepts in an ontology, is challenging because ontologies are large.

Congestion-aware Evacuation Routing using Augmented Reality Devices

no code implementations25 Apr 2020 Zeyu Zhang, Hangxin Liu, Ziyuan Jiao, Yixin Zhu, Song-Chun Zhu

We present a congestion-aware routing solution for indoor evacuation, which produces real-time individual-customized evacuation routes among multiple destinations while keeping tracks of all evacuees' locations.

ScienceExamCER: A High-Density Fine-Grained Science-Domain Corpus for Common Entity Recognition

no code implementations LREC 2020 Hannah Smith, Zeyu Zhang, John Culnan, Peter Jansen

Named entity recognition identifies common classes of entities in text, but these entity labels are generally sparse, limiting utility to downstream tasks.

Classification General Classification +6

Visualizing How Embeddings Generalize

1 code implementation16 Sep 2019 Xiaotong Liu, Hong Xuan, Zeyu Zhang, Abby Stylianou, Robert Pless

Deep metric learning is often used to learn an embedding function that captures the semantic differences within a dataset.

Metric Learning Triplet

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