Search Results for author: Jiawei Wang

Found 55 papers, 25 papers with code

What If Sentence-hood is Hard to Define: A Case Study in Chinese Reading Comprehension

no code implementations Findings (EMNLP) 2021 Jiawei Wang, Hai Zhao, Yinggong Zhao, Libin Shen

Machine reading comprehension (MRC) is a challenging NLP task for it requires to carefully deal with all linguistic granularities from word, sentence to passage.

Chinese Reading Comprehension Machine Reading Comprehension +1

Risk and Vulnerability Assessment of Energy-Transportation Infrastructure Systems to Extreme Weather

1 code implementation23 Jan 2025 Jiawei Wang, Qinglai Guo, Hongbin Sun

It integrates the heterogeneous energy and transportation infrastructures in the form of a network flow model to simulate and quantify the impact of extreme weather events on the energy-transportation infrastructure system.

DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning

2 code implementations22 Jan 2025 DeepSeek-AI, Daya Guo, Dejian Yang, Haowei Zhang, Junxiao Song, Ruoyu Zhang, Runxin Xu, Qihao Zhu, Shirong Ma, Peiyi Wang, Xiao Bi, Xiaokang Zhang, Xingkai Yu, Yu Wu, Z. F. Wu, Zhibin Gou, Zhihong Shao, Zhuoshu Li, Ziyi Gao, Aixin Liu, Bing Xue, Bingxuan Wang, Bochao Wu, Bei Feng, Chengda Lu, Chenggang Zhao, Chengqi Deng, Chenyu Zhang, Chong Ruan, Damai Dai, Deli Chen, Dongjie Ji, Erhang Li, Fangyun Lin, Fucong Dai, Fuli Luo, Guangbo Hao, Guanting Chen, Guowei Li, H. Zhang, Han Bao, Hanwei Xu, Haocheng Wang, Honghui Ding, Huajian Xin, Huazuo Gao, Hui Qu, Hui Li, JianZhong Guo, Jiashi Li, Jiawei Wang, Jingchang Chen, Jingyang Yuan, Junjie Qiu, Junlong Li, J. L. Cai, Jiaqi Ni, Jian Liang, Jin Chen, Kai Dong, Kai Hu, Kaige Gao, Kang Guan, Kexin Huang, Kuai Yu, Lean Wang, Lecong Zhang, Liang Zhao, Litong Wang, Liyue Zhang, Lei Xu, Leyi Xia, Mingchuan Zhang, Minghua Zhang, Minghui Tang, Meng Li, Miaojun Wang, Mingming Li, Ning Tian, Panpan Huang, Peng Zhang, Qiancheng Wang, Qinyu Chen, Qiushi Du, Ruiqi Ge, Ruisong Zhang, Ruizhe Pan, Runji Wang, R. J. Chen, R. L. Jin, Ruyi Chen, Shanghao Lu, Shangyan Zhou, Shanhuang Chen, Shiyu Wang, Shuiping Yu, Shunfeng Zhou, Shuting Pan, S. S. Li, Shuang Zhou, Shaoqing Wu, Shengfeng Ye, Tao Yun, Tian Pei, Tianyu Sun, T. Wang, Wangding Zeng, Wanjia Zhao, Wen Liu, Wenfeng Liang, Wenjun Gao, Wenqin Yu, Wentao Zhang, W. L. Xiao, Wei An, Xiaodong Liu, Xiaohan Wang, Xiaokang Chen, Xiaotao Nie, Xin Cheng, Xin Liu, Xin Xie, Xingchao Liu, Xinyu Yang, Xinyuan Li, Xuecheng Su, Xuheng Lin, X. Q. Li, Xiangyue Jin, Xiaojin Shen, Xiaosha Chen, Xiaowen Sun, Xiaoxiang Wang, Xinnan Song, Xinyi Zhou, Xianzu Wang, Xinxia Shan, Y. K. Li, Y. Q. Wang, Y. X. Wei, Yang Zhang, Yao Li, Yao Zhao, Yaofeng Sun, Yaohui Wang, Yi Yu, Yichao Zhang, Yifan Shi, Yiliang Xiong, Ying He, Yishi Piao, Yisong Wang, Yixuan Tan, Yiyang Ma, Yiyuan Liu, Yongqiang Guo, Yuan Ou, Yuduan Wang, Yue Gong, Yuheng Zou, Yujia He, Yunfan Xiong, Yuxiang Luo, Yuxiang You, Yuxuan Liu, Yuyang Zhou, Y. X. Zhu, Yanhong Xu, Yanping Huang, Yaohui Li, Yi Zheng, Yuchen Zhu, Yunxian Ma, Ying Tang, Yukun Zha, Yuting Yan, Z. Z. Ren, Zehui Ren, Zhangli Sha, Zhe Fu, Zhean Xu, Zhenda Xie, Zhengyan Zhang, Zhewen Hao, Zhicheng Ma, Zhigang Yan, Zhiyu Wu, Zihui Gu, Zijia Zhu, Zijun Liu, Zilin Li, Ziwei Xie, Ziyang Song, Zizheng Pan, Zhen Huang, Zhipeng Xu, Zhongyu Zhang, Zhen Zhang

We introduce our first-generation reasoning models, DeepSeek-R1-Zero and DeepSeek-R1.

Mathematical Reasoning Reinforcement Learning (RL)

Tarsier2: Advancing Large Vision-Language Models from Detailed Video Description to Comprehensive Video Understanding

1 code implementation14 Jan 2025 Liping Yuan, Jiawei Wang, Haomiao Sun, Yuchen Zhang, Yuan Lin

We introduce Tarsier2, a state-of-the-art large vision-language model (LVLM) designed for generating detailed and accurate video descriptions, while also exhibiting superior general video understanding capabilities.

Embodied Question Answering Hallucination +7

Cascaded Self-Evaluation Augmented Training for Efficient Multimodal Large Language Models

no code implementations10 Jan 2025 Zheqi Lv, Wenkai Wang, Jiawei Wang, Shengyu Zhang, Fei Wu

SEAT uses more powerful EMLLMs for CoT reasoning, data selection, and evaluation generation, then trains EMLLMs with the synthesized data.

Math

DeepSeek-V3 Technical Report

1 code implementation27 Dec 2024 DeepSeek-AI, Aixin Liu, Bei Feng, Bing Xue, Bingxuan Wang, Bochao Wu, Chengda Lu, Chenggang Zhao, Chengqi Deng, Chenyu Zhang, Chong Ruan, Damai Dai, Daya Guo, Dejian Yang, Deli Chen, Dongjie Ji, Erhang Li, Fangyun Lin, Fucong Dai, Fuli Luo, Guangbo Hao, Guanting Chen, Guowei Li, H. Zhang, Han Bao, Hanwei Xu, Haocheng Wang, Haowei Zhang, Honghui Ding, Huajian Xin, Huazuo Gao, Hui Li, Hui Qu, J. L. Cai, Jian Liang, JianZhong Guo, Jiaqi Ni, Jiashi Li, Jiawei Wang, Jin Chen, Jingchang Chen, Jingyang Yuan, Junjie Qiu, Junlong Li, Junxiao Song, Kai Dong, Kai Hu, Kaige Gao, Kang Guan, Kexin Huang, Kuai Yu, Lean Wang, Lecong Zhang, Lei Xu, Leyi Xia, Liang Zhao, Litong Wang, Liyue Zhang, Meng Li, Miaojun Wang, Mingchuan Zhang, Minghua Zhang, Minghui Tang, Mingming Li, Ning Tian, Panpan Huang, Peiyi Wang, Peng Zhang, Qiancheng Wang, Qihao Zhu, Qinyu Chen, Qiushi Du, R. J. Chen, R. L. Jin, Ruiqi Ge, Ruisong Zhang, Ruizhe Pan, Runji Wang, Runxin Xu, Ruoyu Zhang, Ruyi Chen, S. S. Li, Shanghao Lu, Shangyan Zhou, Shanhuang Chen, Shaoqing Wu, Shengfeng Ye, Shirong Ma, Shiyu Wang, Shuang Zhou, Shuiping Yu, Shunfeng Zhou, Shuting Pan, T. Wang, Tao Yun, Tian Pei, Tianyu Sun, W. L. Xiao, Wangding Zeng, Wanjia Zhao, Wei An, Wen Liu, Wenfeng Liang, Wenjun Gao, Wenqin Yu, Wentao Zhang, X. Q. Li, Xiangyue Jin, Xianzu Wang, Xiao Bi, Xiaodong Liu, Xiaohan Wang, Xiaojin Shen, Xiaokang Chen, Xiaokang Zhang, Xiaosha Chen, Xiaotao Nie, Xiaowen Sun, Xiaoxiang Wang, Xin Cheng, Xin Liu, Xin Xie, Xingchao Liu, Xingkai Yu, Xinnan Song, Xinxia Shan, Xinyi Zhou, Xinyu Yang, Xinyuan Li, Xuecheng Su, Xuheng Lin, Y. K. Li, Y. Q. Wang, Y. X. Wei, Y. X. Zhu, Yang Zhang, Yanhong Xu, Yanping Huang, Yao Li, Yao Zhao, Yaofeng Sun, Yaohui Li, Yaohui Wang, Yi Yu, Yi Zheng, Yichao Zhang, Yifan Shi, Yiliang Xiong, Ying He, Ying Tang, Yishi Piao, Yisong Wang, Yixuan Tan, Yiyang Ma, Yiyuan Liu, Yongqiang Guo, Yu Wu, Yuan Ou, Yuchen Zhu, Yuduan Wang, Yue Gong, Yuheng Zou, Yujia He, Yukun Zha, Yunfan Xiong, Yunxian Ma, Yuting Yan, Yuxiang Luo, Yuxiang You, Yuxuan Liu, Yuyang Zhou, Z. F. Wu, Z. Z. Ren, Zehui Ren, Zhangli Sha, Zhe Fu, Zhean Xu, Zhen Huang, Zhen Zhang, Zhenda Xie, Zhengyan Zhang, Zhewen Hao, Zhibin Gou, Zhicheng Ma, Zhigang Yan, Zhihong Shao, Zhipeng Xu, Zhiyu Wu, Zhongyu Zhang, Zhuoshu Li, Zihui Gu, Zijia Zhu, Zijun Liu, Zilin Li, Ziwei Xie, Ziyang Song, Ziyi Gao, Zizheng Pan

We present DeepSeek-V3, a strong Mixture-of-Experts (MoE) language model with 671B total parameters with 37B activated for each token.

Language Modeling Language Modelling

VQ-SGen: A Vector Quantized Stroke Representation for Sketch Generation

no code implementations25 Nov 2024 Jiawei Wang, Zhiming Cui, Changjian Li

To overcome these limitations, we propose treating each stroke within a sketch as an entity and introducing a vector-quantized (VQ) stroke representation for fine-grained sketch generation.

Robust Data-Driven Predictive Control for Mixed Platoons under Noise and Attacks

no code implementations21 Nov 2024 Shuai Li, Chaoyi Chen, Haotian Zheng, Jiawei Wang, Qing Xu, Jianqiang Wang, Keqiang Li

This leads to a robust data-driven predictive control framework, solved in a tube-based control manner.

https://arxiv.org/abs/2407.00634

no code implementations2 Jul 2024 Jiawei Wang, Liping Yuan, Yuchen Zhang

In this work, we introduce Tarsier, a family of large-scale video-language models designed to generate high-quality video descriptions.

Video Captioning Video Description +2

Tarsier: Recipes for Training and Evaluating Large Video Description Models

1 code implementation arXiv 2024 Jiawei Wang, Liping Yuan, Yuchen Zhang, Haomiao Sun

Our second contribution is the introduction of a new benchmark -- DREAM-1K (https://tarsier-vlm. github. io/) for evaluating video description models, consisting of a new challenging dataset featuring videos from diverse sources and varying complexity, along with an automatic method specifically designed to assess the quality of fine-grained video descriptions.

 Ranked #1 on Zero-Shot Video Question Answer on NExT-QA (using extra training data)

Video Captioning Video Description +3

DLAFormer: An End-to-End Transformer For Document Layout Analysis

no code implementations20 May 2024 Jiawei Wang, Kai Hu, Qiang Huo

Document layout analysis (DLA) is crucial for understanding the physical layout and logical structure of documents, serving information retrieval, document summarization, knowledge extraction, etc.

Document Layout Analysis Document Summarization +3

AMCEN: An Attention Masking-based Contrastive Event Network for Two-stage Temporal Knowledge Graph Reasoning

no code implementations16 May 2024 Jing Yang, Xiao Wang, Yutong Wang, Jiawei Wang, Fei-Yue Wang

To achieve more accurate TKG reasoning, we propose an attention masking-based contrastive event network (AMCEN) with local-global temporal patterns for the two-stage prediction of future events.

Contrastive Learning Knowledge Graphs +1

EM-TTS: Efficiently Trained Low-Resource Mongolian Lightweight Text-to-Speech

no code implementations13 Mar 2024 ZiQi Liang, Haoxiang Shi, Jiawei Wang, Keda Lu

Recurrent neural networks have become a standard modeling technique for sequential data in TTS systems and are widely used.

Speech Synthesis Text to Speech

Large Language Models as Urban Residents: An LLM Agent Framework for Personal Mobility Generation

2 code implementations22 Feb 2024 Jiawei Wang, Renhe Jiang, Chuang Yang, Zengqing Wu, Makoto Onizuka, Ryosuke Shibasaki, Noboru Koshizuka, Chuan Xiao

This paper introduces a novel approach using Large Language Models (LLMs) integrated into an agent framework for flexible and effective personal mobility generation.

Retrieval

Robust Data-EnablEd Predictive Leading Cruise Control via Reachability Analysis

no code implementations6 Feb 2024 Shuai Li, Chaoyi Chen, Haotian Zheng, Jiawei Wang, Qing Xu, Keqiang Li

Data-driven predictive control promises model-free wave-dampening strategies for Connected and Autonomous Vehicles (CAVs) in mixed traffic flow.

Autonomous Vehicles LEMMA

Boximator: Generating Rich and Controllable Motions for Video Synthesis

1 code implementation2 Feb 2024 Jiawei Wang, Yuchen Zhang, Jiaxin Zou, Yan Zeng, Guoqiang Wei, Liping Yuan, Hang Li

Its robust motion controllability is validated by drastic increases in the bounding box alignment metric.

Detect-Order-Construct: A Tree Construction based Approach for Hierarchical Document Structure Analysis

1 code implementation22 Jan 2024 Jiawei Wang, Kai Hu, Zhuoyao Zhong, Lei Sun, Qiang Huo

Our end-to-end system achieves state-of-the-art performance on two large-scale document layout analysis datasets (PubLayNet and DocLayNet), a high-quality hierarchical document structure reconstruction dataset (HRDoc), and our Comp-HRDoc benchmark.

Document Layout Analysis Document Summarization +4

UniVIE: A Unified Label Space Approach to Visual Information Extraction from Form-like Documents

no code implementations17 Jan 2024 Kai Hu, Jiawei Wang, WeiHong Lin, Zhuoyao Zhong, Lei Sun, Qiang Huo

This unified approach allows for the definition of various relation types and effectively tackles hierarchical relationships in form-like documents.

Decoder Key-value Pair Extraction +2

Dynamic Relation Transformer for Contextual Text Block Detection

no code implementations17 Jan 2024 Jiawei Wang, Shunchi Zhang, Kai Hu, Chixiang Ma, Zhuoyao Zhong, Lei Sun, Qiang Huo

Contextual Text Block Detection (CTBD) is the task of identifying coherent text blocks within the complexity of natural scenes.

Decoder Graph Generation +2

XuanCe: A Comprehensive and Unified Deep Reinforcement Learning Library

1 code implementation25 Dec 2023 Wenzhang Liu, Wenzhe Cai, Kun Jiang, Guangran Cheng, Yuanda Wang, Jiawei Wang, Jingyu Cao, Lele Xu, Chaoxu Mu, Changyin Sun

In this paper, we present XuanCe, a comprehensive and unified deep reinforcement learning (DRL) library designed to be compatible with PyTorch, TensorFlow, and MindSpore.

Deep Reinforcement Learning MuJoCo +1

ContextSeg: Sketch Semantic Segmentation by Querying the Context with Attention

no code implementations CVPR 2024 Jiawei Wang, Changjian Li

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes.

Semantic Segmentation

Learning Optimal Robust Control of Connected Vehicles in Mixed Traffic Flow

no code implementations18 Sep 2023 Jie Li, Jiawei Wang, Shengbo Eben Li, Keqiang Li

Connected and automated vehicles (CAVs) technologies promise to attenuate undesired traffic disturbances.

Information Flow Topology in Mixed Traffic: A Comparative Study between "Looking Ahead" and "Looking Behind"

no code implementations4 Sep 2023 Shuai Li, Haotian Zheng, Jiawei Wang, Chaoyi Chen, Qing Xu, Jianqiang Wang, Keqiang Li

In mixed traffic where human-driven vehicles (HDVs) also exist, existing research mostly focuses on "looking ahead" (i. e., the CAVs receive information from preceding vehicles) strategies for CAVs, while recent work reveals that "looking behind" (i. e., the CAVs receive information from their rear vehicles) strategies might provide more possibilities for CAV longitudinal control.

Mixture-of-Domain-Adapters: Decoupling and Injecting Domain Knowledge to Pre-trained Language Models Memories

1 code implementation8 Jun 2023 Shizhe Diao, Tianyang Xu, Ruijia Xu, Jiawei Wang, Tong Zhang

Pre-trained language models (PLMs) demonstrate excellent abilities to understand texts in the generic domain while struggling in a specific domain.

Domain Adaptation

Towards Effective and Interpretable Human-Agent Collaboration in MOBA Games: A Communication Perspective

no code implementations23 Apr 2023 Yiming Gao, Feiyu Liu, Liang Wang, Zhenjie Lian, Weixuan Wang, Siqin Li, Xianliang Wang, Xianhan Zeng, Rundong Wang, Jiawei Wang, Qiang Fu, Wei Yang, Lanxiao Huang, Wei Liu

MOBA games, e. g., Dota2 and Honor of Kings, have been actively used as the testbed for the recent AI research on games, and various AI systems have been developed at the human level so far.

Robust Table Structure Recognition with Dynamic Queries Enhanced Detection Transformer

no code implementations21 Mar 2023 Jiawei Wang, WeiHong Lin, Chixiang Ma, Mingze Li, Zheng Sun, Lei Sun, Qiang Huo

Unlike previous methods, we formulate table separation line prediction as a line regression problem instead of an image segmentation problem and propose a new two-stage dynamic queries enhanced DETR based separation line regression approach, named DQ-DETR, to predict separation lines from table images directly.

Image Segmentation regression +2

X$^2$-VLM: All-In-One Pre-trained Model For Vision-Language Tasks

2 code implementations22 Nov 2022 Yan Zeng, Xinsong Zhang, Hang Li, Jiawei Wang, Jipeng Zhang, Wangchunshu Zhou

Vision language pre-training aims to learn alignments between vision and language from a large amount of data.

 Ranked #1 on Cross-Modal Retrieval on Flickr30k (using extra training data)

Cross-Modal Retrieval Image Captioning +7

Distributed data-driven predictive control for cooperatively smoothing mixed traffic flow

1 code implementation24 Oct 2022 Jiawei Wang, Yingzhao Lian, Yuning Jiang, Qing Xu, Keqiang Li, Colin N. Jones

This algorithm achieves both computation and communication efficiency, as well as trajectory data privacy, through parallel calculation.

LEMMA

TSRFormer: Table Structure Recognition with Transformers

no code implementations9 Aug 2022 WeiHong Lin, Zheng Sun, Chixiang Ma, Mingze Li, Jiawei Wang, Lei Sun, Qiang Huo

We present a new table structure recognition (TSR) approach, called TSRFormer, to robustly recognizing the structures of complex tables with geometrical distortions from various table images.

Ranked #2 on Table Recognition on PubTabNet (TEDS-Struct metric)

Image Segmentation Relation Network +2

Write and Paint: Generative Vision-Language Models are Unified Modal Learners

1 code implementation15 Jun 2022 Shizhe Diao, Wangchunshu Zhou, Xinsong Zhang, Jiawei Wang

In this work, we disclose the potential of symmetric generative vision-language pre-training in learning to write and paint concurrently, and propose a new unified modal model, named DaVinci, trained with prefix language modeling and prefix image modeling, a simple generative self-supervised objective on image-text pairs.

Image to text Language Modeling +3

Single-species population models with age structure and psychological effect in a polluted environment

no code implementations8 May 2022 Jiawei Wang, Ruiyang Zhou, Fengying Wei

The role of psychological effects makes the contact between adult and environmental toxins a functional form, while the contact between larvae and environmental toxins is linear.

CODE-MVP: Learning to Represent Source Code from Multiple Views with Contrastive Pre-Training

no code implementations Findings (NAACL) 2022 Xin Wang, Yasheng Wang, Yao Wan, Jiawei Wang, Pingyi Zhou, Li Li, Hao Wu, Jin Liu

Specifically, we first extract multiple code views using compiler tools, and learn the complementary information among them under a contrastive learning framework.

Contrastive Learning Defect Detection +2

Implementation and Experimental Validation of Data-Driven Predictive Control for Dissipating Stop-and-Go Waves in Mixed Traffic

1 code implementation7 Apr 2022 Jiawei Wang, Yang Zheng, Jianghong Dong, Chaoyi Chen, Mengchi Cai, Keqiang Li, Qing Xu

In this paper, we present the first experimental results of data-driven predictive control for connected and autonomous vehicles (CAVs) in dissipating traffic waves.

Autonomous Vehicles Traffic Prediction

DeeP-LCC: Data-EnablEd Predictive Leading Cruise Control in Mixed Traffic Flow

1 code implementation20 Mar 2022 Jiawei Wang, Yang Zheng, Keqiang Li, Qing Xu

For the control of connected and autonomous vehicles (CAVs), most existing methods focus on model-based strategies.

Autonomous Vehicles LEMMA

ArT: All-round Thinker for Unsupervised Commonsense Question-Answering

1 code implementation26 Dec 2021 Jiawei Wang, Hai Zhao

In detail, our model first focuses on key parts in the given context, and then generates highly related knowledge on such a basis in an association way like human thinking.

Question Answering

Experimental Validation of Multi-lane Formation Control for Connected and Automated Vehicles in Multiple Scenarios

no code implementations1 Dec 2021 Mengchi Cai, Qing Xu, Chunying Yang, Jianghong Dong, Chaoyi Chen, Jiawei Wang, Jianqiang Wang, Keqiang Li

Formation control methods of connected and automated vehicles have been proposed to smoothly switch the structure of vehicular formations in different scenarios.

Robust Dynamic Bus Control: A Distributional Multi-agent Reinforcement Learning Approach

no code implementations2 Nov 2021 Jiawei Wang, Lijun Sun

However, the operation of a bus fleet is unstable in nature, and bus bunching has become a common phenomenon that undermines the efficiency and reliability of bus systems.

continuous-control Continuous Control +4

Data-Driven Predictive Control for Connected and Autonomous Vehicles in Mixed Traffic

no code implementations19 Oct 2021 Jiawei Wang, Yang Zheng, Qing Xu, Keqiang Li

In this paper, instead of relying on a parametric car-following model, we introduce a data-driven predictive control strategy to achieve safe and optimal control for CAVs in mixed traffic.

Autonomous Vehicles

Recall and Learn: A Memory-augmented Solver for Math Word Problems

1 code implementation Findings (EMNLP) 2021 Shifeng Huang, Jiawei Wang, Jiao Xu, Da Cao, Ming Yang

Specifically, given a math word problem, the model first retrieves similar questions by a memory module and then encodes the unsolved problem and each retrieved question using a representation module.

Math Math Word Problem Solving

Multi-lane Unsignalized Intersection Cooperation with Flexible Lane Direction based on Multi-vehicle Formation Control

3 code implementations25 Aug 2021 Mengchi Cai, Qing Xu, Chaoyi Chen, Jiawei Wang, Keqiang Li, Jianqiang Wang, Xiangbin Wu

Unsignalized intersection cooperation of connected and automated vehicles (CAVs) is able to eliminate green time loss of signalized intersections and improve traffic efficiency.

Reducing Bus Bunching with Asynchronous Multi-Agent Reinforcement Learning

no code implementations2 May 2021 Jiawei Wang, Lijun Sun

However, due to the significant uncertainties in passenger demand and traffic conditions, bus operation is unstable in nature and bus bunching has become a common phenomenon that undermines the reliability and efficiency of bus services.

Graph Attention Inductive Learning +4

Restoring Execution Environments of Jupyter Notebooks

1 code implementation4 Mar 2021 Jiawei Wang, Li Li, Andreas Zeller

More than ninety percent of published Jupyter notebooks do not state dependencies on external packages.

Software Engineering

Leading Cruise Control in Mixed Traffic Flow: System Modeling, Controllability, and String Stability

1 code implementation8 Dec 2020 Jiawei Wang, Yang Zheng, Chaoyi Chen, Qing Xu, Keqiang Li

Most existing strategies for CAVs' longitudinal control focus on downstream traffic conditions, but neglect the impact of CAVs' behaviors on upstream traffic flow.

Autonomous Vehicles

NeuroDiff: Scalable Differential Verification of Neural Networks using Fine-Grained Approximation

no code implementations21 Sep 2020 Brandon Paulsen, Jingbo Wang, Jiawei Wang, Chao Wang

Unfortunately, existing methods either focus on verifying a single network or rely on loose approximations to prove the equivalence of two networks.

Cooperative Formation of Autonomous Vehicles in Mixed Traffic Flow: Beyond Platooning

no code implementations8 Sep 2020 Keqiang Li, Jiawei Wang, Yang Zheng

In mixed traffic flow consisting of AVs and human-driven vehicles (HDVs), the prevailing platooning of multiple AVs is not the only choice for cooperative formation.

Autonomous Vehicles

Leading Cruise Control in Mixed Traffic Flow

1 code implementation23 Jul 2020 Jiawei Wang, Yang Zheng, Chaoyi Chen, Qing Xu, Keqiang Li

Numerical studies confirm the potential of LCC to strengthen the capability of CAVs in suppressing traffic instabilities and smoothing traffic flow.

Systems and Control Systems and Control Optimization and Control

Efficient Connected and Automated Driving System with Multi-agent Graph Reinforcement Learning

no code implementations6 Jul 2020 Tianyu Shi, Jiawei Wang, Yuankai Wu, Luis Miranda-Moreno, Lijun Sun

Instead of learning a reliable behavior for ego automated vehicle, we focus on how to improve the outcomes of the total transportation system by allowing each automated vehicle to learn cooperation with each other and regulate human-driven traffic flow.

Decision Making reinforcement-learning +1

An Unsupervised Feature Learning Approach to Improve Automatic Incident Detection

no code implementations29 Oct 2013 Jimmy SJ. Ren, Wei Wang, Jiawei Wang, Stephen Liao

Sophisticated automatic incident detection (AID) technology plays a key role in contemporary transportation systems.

General Classification

Exploring The Contribution of Unlabeled Data in Financial Sentiment Analysis

no code implementations3 Aug 2013 Jimmy SJ. Ren, Wei Wang, Jiawei Wang, Stephen Shaoyi Liao

We argue that if the bias-variance trade-off is to be better balanced by a more effective feature selection method unlabeled data is very likely to boost the classification performance.

feature selection General Classification +3

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