Search Results for author: Peng Li

Found 202 papers, 94 papers with code

Unsupervised Dependency Graph Network

1 code implementation ACL 2022 Yikang Shen, Shawn Tan, Alessandro Sordoni, Peng Li, Jie zhou, Aaron Courville

We introduce a new model, the Unsupervised Dependency Graph Network (UDGN), that can induce dependency structures from raw corpora and the masked language modeling task.

Language Modelling Masked Language Modeling +3

Event Detection with Dual Relational Graph Attention Networks

1 code implementation COLING 2022 Jiaxin Mi, Po Hu, Peng Li

To this end, we propose a simple yet effective model named DualGAT (Dual Relational Graph Attention Networks), which exploits the complementary nature of syntactic and semantic relations to alleviate the problem.

Event Detection Graph Attention

Do Pre-trained Models Benefit Knowledge Graph Completion? A Reliable Evaluation and a Reasonable Approach

1 code implementation Findings (ACL) 2022 Xin Lv, Yankai Lin, Yixin Cao, Lei Hou, Juanzi Li, Zhiyuan Liu, Peng Li, Jie zhou

In recent years, pre-trained language models (PLMs) have been shown to capture factual knowledge from massive texts, which encourages the proposal of PLM-based knowledge graph completion (KGC) models.

Knowledge Graph Completion Link Prediction

CodRED: A Cross-Document Relation Extraction Dataset for Acquiring Knowledge in the Wild

1 code implementation EMNLP 2021 Yuan YAO, Jiaju Du, Yankai Lin, Peng Li, Zhiyuan Liu, Jie zhou, Maosong Sun

Existing relation extraction (RE) methods typically focus on extracting relational facts between entity pairs within single sentences or documents.

Relation Relation Extraction

Bridging the Gap between Prior and Posterior Knowledge Selection for Knowledge-Grounded Dialogue Generation

no code implementations EMNLP 2020 Xiuyi Chen, Fandong Meng, Peng Li, Feilong Chen, Shuang Xu, Bo Xu, Jie zhou

Here, we deal with these issues on two aspects: (1) We enhance the prior selection module with the necessary posterior information obtained from the specially designed Posterior Information Prediction Module (PIPM); (2) We propose a Knowledge Distillation Based Training Strategy (KDBTS) to train the decoder with the knowledge selected from the prior distribution, removing the exposure bias of knowledge selection.

Decoder Dialogue Generation +1

M-LRM: Multi-view Large Reconstruction Model

no code implementations11 Jun 2024 Mengfei Li, Xiaoxiao Long, Yixun Liang, Weiyu Li, YuAn Liu, Peng Li, Xiaowei Chi, Xingqun Qi, Wei Xue, Wenhan Luo, Qifeng Liu, Yike Guo

Despite recent advancements in the Large Reconstruction Model (LRM) demonstrating impressive results, when extending its input from single image to multiple images, it exhibits inefficiencies, subpar geometric and texture quality, as well as slower convergence speed than expected.

3D Reconstruction

Restricting Voltage Deviation of DC Microgrids with Critical and Ordinary Nodes

no code implementations22 May 2024 Handong Bai, Peng Li, Hongwei Zhang

Restricting bus voltage deviation is crucial for normal operation of multi-bus DC microgrids, yet it has received insufficient attention due to the conflict between two main control objectives in DC microgrids, i. e., voltage regulation and current sharing.

Era3D: High-Resolution Multiview Diffusion using Efficient Row-wise Attention

no code implementations19 May 2024 Peng Li, YuAn Liu, Xiaoxiao Long, Feihu Zhang, Cheng Lin, Mengfei Li, Xingqun Qi, Shanghang Zhang, Wenhan Luo, Ping Tan, Wenping Wang, Qifeng Liu, Yike Guo

Specifically, these methods assume that the input images should comply with a predefined camera type, e. g. a perspective camera with a fixed focal length, leading to distorted shapes when the assumption fails.

MANGO: A Benchmark for Evaluating Mapping and Navigation Abilities of Large Language Models

1 code implementation29 Mar 2024 Peng Ding, Jiading Fang, Peng Li, Kangrui Wang, Xiaochen Zhou, Mo Yu, Jing Li, Matthew R. Walter, Hongyuan Mei

The task is question-answering: for each maze, a large language model reads the walkthrough and answers hundreds of mapping and navigation questions such as "How should you go to Attic from West of House?"

Language Modelling Large Language Model +1

Random-coupled Neural Network

no code implementations26 Mar 2024 Haoran Liu, Mingzhe Liu, Peng Li, Jiahui Wu, Xin Jiang, Zhuo Zuo, Bingqi Liu

This process randomly closes some neural connections in the RCNN model, realized by the random inactivation weight matrix of link input.

Image Segmentation Semantic Segmentation

ReAct Meets ActRe: When Language Agents Enjoy Training Data Autonomy

no code implementations21 Mar 2024 Zonghan Yang, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Yang Liu

In WebShop, the 1-shot performance of the A$^3$T agent matches human average, and 4 rounds of iterative refinement lead to the performance approaching human experts.

Policy Gradient Methods

StableToolBench: Towards Stable Large-Scale Benchmarking on Tool Learning of Large Language Models

3 code implementations12 Mar 2024 Zhicheng Guo, Sijie Cheng, Hao Wang, Shihao Liang, Yujia Qin, Peng Li, Zhiyuan Liu, Maosong Sun, Yang Liu

The virtual API server contains a caching system and API simulators which are complementary to alleviate the change in API status.

Benchmarking

ToolRerank: Adaptive and Hierarchy-Aware Reranking for Tool Retrieval

no code implementations11 Mar 2024 Yuanhang Zheng, Peng Li, Wei Liu, Yang Liu, Jian Luan, Bin Wang

Specifically, our proposed ToolRerank includes Adaptive Truncation, which truncates the retrieval results related to seen and unseen tools at different positions, and Hierarchy-Aware Reranking, which makes retrieval results more concentrated for single-tool queries and more diverse for multi-tool queries.

Retrieval

Reasoning in Conversation: Solving Subjective Tasks through Dialogue Simulation for Large Language Models

no code implementations27 Feb 2024 Xiaolong Wang, Yile Wang, Yuanchi Zhang, Fuwen Luo, Peng Li, Maosong Sun, Yang Liu

Based on the characteristics of the tasks and the strong dialogue-generation capabilities of LLMs, we propose RiC (Reasoning in Conversation), a method that focuses on solving subjective tasks through dialogue simulation.

Dark Humor Detection Dialogue Generation +3

Budget-Constrained Tool Learning with Planning

2 code implementations25 Feb 2024 Yuanhang Zheng, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Yang Liu

Despite intensive efforts devoted to tool learning, the problem of budget-constrained tool learning, which focuses on resolving user queries within a specific budget constraint, has been widely overlooked.

DEEM: Dynamic Experienced Expert Modeling for Stance Detection

1 code implementation23 Feb 2024 Xiaolong Wang, Yile Wang, Sijie Cheng, Peng Li, Yang Liu

Recent work has made a preliminary attempt to use large language models (LLMs) to solve the stance detection task, showing promising results.

Stance Detection

PANDA: Preference Adaptation for Enhancing Domain-Specific Abilities of LLMs

no code implementations20 Feb 2024 An Liu, Zonghan Yang, Zhenhe Zhang, Qingyuan Hu, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Yang Liu

While Large language models (LLMs) have demonstrated considerable capabilities across various natural language tasks, they often fall short of the performance achieved by domain-specific state-of-the-art models.

text-classification Text Classification

Model Composition for Multimodal Large Language Models

1 code implementation20 Feb 2024 Chi Chen, Yiyang Du, Zheng Fang, Ziyue Wang, Fuwen Luo, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Maosong Sun, Yang Liu

In this paper, we propose a new paradigm through the model composition of existing MLLMs to create a new model that retains the modal understanding capabilities of each original model.

Enabling Weak LLMs to Judge Response Reliability via Meta Ranking

no code implementations19 Feb 2024 Zijun Liu, Boqun Kou, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Yang Liu

In model cascading, we combine open- and closed-source LLMs to achieve performance comparable to GPT-4-turbo with lower costs.

Hallucination In-Context Learning

Scaffolding Coordinates to Promote Vision-Language Coordination in Large Multi-Modal Models

1 code implementation19 Feb 2024 Xuanyu Lei, Zonghan Yang, Xinrui Chen, Peng Li, Yang Liu

State-of-the-art Large Multi-Modal Models (LMMs) have demonstrated exceptional capabilities in vision-language tasks.

Visual Prompting

Browse and Concentrate: Comprehending Multimodal Content via prior-LLM Context Fusion

1 code implementation19 Feb 2024 Ziyue Wang, Chi Chen, Yiqi Zhu, Fuwen Luo, Peng Li, Ming Yan, Ji Zhang, Fei Huang, Maosong Sun, Yang Liu

With the bloom of Large Language Models (LLMs), Multimodal Large Language Models (MLLMs) that incorporate LLMs with pre-trained vision models have recently demonstrated impressive performance across diverse vision-language tasks.

Enhancing Multilingual Capabilities of Large Language Models through Self-Distillation from Resource-Rich Languages

1 code implementation19 Feb 2024 Yuanchi Zhang, Yile Wang, Zijun Liu, Shuo Wang, Xiaolong Wang, Peng Li, Maosong Sun, Yang Liu

While large language models (LLMs) have been pre-trained on multilingual corpora, their performance still lags behind in most languages compared to a few resource-rich languages.

Transfer Learning

Towards Unified Alignment Between Agents, Humans, and Environment

no code implementations12 Feb 2024 Zonghan Yang, An Liu, Zijun Liu, Kaiming Liu, Fangzhou Xiong, Yile Wang, Zeyuan Yang, Qingyuan Hu, Xinrui Chen, Zhenhe Zhang, Fuwen Luo, Zhicheng Guo, Peng Li, Yang Liu

We also conduct proof-of-concept studies by introducing realistic features to WebShop, including user profiles to demonstrate intentions, personalized reranking for complex environmental dynamics, and runtime cost statistics to reflect self-constraints.

Decision Making

Speak It Out: Solving Symbol-Related Problems with Symbol-to-Language Conversion for Language Models

1 code implementation22 Jan 2024 Yile Wang, Sijie Cheng, Zixin Sun, Peng Li, Yang Liu

We propose symbol-to-language (S2L), a tuning-free method that enables large language models to solve symbol-related problems with information expressed in natural language.

Property Prediction Question Answering +1

GMC-IQA: Exploiting Global-correlation and Mean-opinion Consistency for No-reference Image Quality Assessment

no code implementations19 Jan 2024 Zewen Chen, Juan Wang, Bing Li, Chunfeng Yuan, Weiming Hu, Junxian Liu, Peng Li, Yan Wang, Youqun Zhang, Congxuan Zhang

Due to the subjective nature of image quality assessment (IQA), assessing which image has better quality among a sequence of images is more reliable than assigning an absolute mean opinion score for an image.

No-Reference Image Quality Assessment

Personal LLM Agents: Insights and Survey about the Capability, Efficiency and Security

2 code implementations10 Jan 2024 Yuanchun Li, Hao Wen, Weijun Wang, Xiangyu Li, Yizhen Yuan, Guohong Liu, Jiacheng Liu, Wenxing Xu, Xiang Wang, Yi Sun, Rui Kong, Yile Wang, Hanfei Geng, Jian Luan, Xuefeng Jin, Zilong Ye, Guanjing Xiong, Fan Zhang, Xiang Li, Mengwei Xu, Zhijun Li, Peng Li, Yang Liu, Ya-Qin Zhang, Yunxin Liu

Next, we discuss several key challenges to achieve intelligent, efficient and secure Personal LLM Agents, followed by a comprehensive survey of representative solutions to address these challenges.

Set Prediction Guided by Semantic Concepts for Diverse Video Captioning

no code implementations25 Dec 2023 Yifan Lu, Ziqi Zhang, Chunfeng Yuan, Peng Li, Yan Wang, Bing Li, Weiming Hu

Each caption in the set is attached to a concept combination indicating the primary semantic content of the caption and facilitating element alignment in set prediction.

Caption Generation Video Captioning

Shai: A large language model for asset management

no code implementations21 Dec 2023 Zhongyang Guo, Guanran Jiang, Zhongdan Zhang, Peng Li, Zhefeng Wang, Yinchun Wang

This paper introduces "Shai" a 10B level large language model specifically designed for the asset management industry, built upon an open-source foundational model.

Asset Management Language Modelling +2

Cross-BERT for Point Cloud Pretraining

no code implementations8 Dec 2023 Xin Li, Peng Li, Zeyong Wei, Zhe Zhu, Mingqiang Wei, Junhui Hou, Liangliang Nan, Jing Qin, Haoran Xie, Fu Lee Wang

By performing cross-modal interaction, Cross-BERT can smoothly reconstruct the masked tokens during pretraining, leading to notable performance enhancements for downstream tasks.

Self-Supervised Learning

Topology-Preserving Adversarial Training

no code implementations29 Nov 2023 Xiaoyue Mi, Fan Tang, Yepeng Weng, Danding Wang, Juan Cao, Sheng Tang, Peng Li, Yang Liu

Despite the effectiveness in improving the robustness of neural networks, adversarial training has suffered from the natural accuracy degradation problem, i. e., accuracy on natural samples has reduced significantly.

Adversarial Robust Memory-Based Continual Learner

no code implementations29 Nov 2023 Xiaoyue Mi, Fan Tang, Zonghan Yang, Danding Wang, Juan Cao, Peng Li, Yang Liu

Despite the remarkable advances that have been made in continual learning, the adversarial vulnerability of such methods has not been fully discussed.

Adversarial Robustness Continual Learning

Weakly-Supervised Emotion Transition Learning for Diverse 3D Co-speech Gesture Generation

no code implementations CVPR 2024 Xingqun Qi, Jiahao Pan, Peng Li, Ruibin Yuan, Xiaowei Chi, Mengfei Li, Wenhan Luo, Wei Xue, Shanghang Zhang, Qifeng Liu, Yike Guo

In addition, the lack of large-scale available datasets with emotional transition speech and corresponding 3D human gestures also limits the addressing of this task.

Audio inpainting Gesture Generation

EgoThink: Evaluating First-Person Perspective Thinking Capability of Vision-Language Models

1 code implementation CVPR 2024 Sijie Cheng, Zhicheng Guo, Jingwen Wu, Kechen Fang, Peng Li, Huaping Liu, Yang Liu

However, the capability of VLMs to "think" from a first-person perspective, a crucial attribute for advancing autonomous agents and robotics, remains largely unexplored.

Attribute Question Answering +1

Filling the Image Information Gap for VQA: Prompting Large Language Models to Proactively Ask Questions

1 code implementation20 Nov 2023 Ziyue Wang, Chi Chen, Peng Li, Yang Liu

Large Language Models (LLMs) demonstrate impressive reasoning ability and the maintenance of world knowledge not only in natural language tasks, but also in some vision-language tasks such as open-domain knowledge-based visual question answering (OK-VQA).

Question Answering Visual Question Answering +1

DISTA: Denoising Spiking Transformer with intrinsic plasticity and spatiotemporal attention

no code implementations15 Nov 2023 Boxun Xu, Hejia Geng, Yuxuan Yin, Peng Li

We introduce DISTA, a Denoising Spiking Transformer with Intrinsic Plasticity and SpatioTemporal Attention, designed to maximize the spatiotemporal computational prowess of spiking neurons, particularly for vision applications.

Denoising

Semi-Supervised Learning of Dynamical Systems with Neural Ordinary Differential Equations: A Teacher-Student Model Approach

no code implementations19 Oct 2023 Yu Wang, Yuxuan Yin, Karthik Somayaji Nanjangud Suryanarayana, Jan Drgona, Malachi Schram, Mahantesh Halappanavar, Frank Liu, Peng Li

Modeling dynamical systems is crucial for a wide range of tasks, but it remains challenging due to complex nonlinear dynamics, limited observations, or lack of prior knowledge.

Table-GPT: Table-tuned GPT for Diverse Table Tasks

no code implementations13 Oct 2023 Peng Li, Yeye He, Dror Yashar, Weiwei Cui, Song Ge, Haidong Zhang, Danielle Rifinski Fainman, Dongmei Zhang, Surajit Chaudhuri

Language models, such as GPT-3. 5 and ChatGPT, demonstrate remarkable abilities to follow diverse human instructions and perform a wide range of tasks.

Probing Language Models

Exploiting Manifold Structured Data Priors for Improved MR Fingerprinting Reconstruction

no code implementations9 Oct 2023 Peng Li, Yuping Ji, Yue Hu

To fill this gap, we propose a novel MRF reconstruction framework based on manifold structured data priors.

Self-Knowledge Guided Retrieval Augmentation for Large Language Models

no code implementations8 Oct 2023 Yile Wang, Peng Li, Maosong Sun, Yang Liu

Large language models (LLMs) have shown superior performance without task-specific fine-tuning.

Question Answering Retrieval +1

Dynamic LLM-Agent Network: An LLM-agent Collaboration Framework with Agent Team Optimization

1 code implementation3 Oct 2023 Zijun Liu, Yanzhe Zhang, Peng Li, Yang Liu, Diyi Yang

We further design an automatic agent team optimization algorithm based on an unsupervised metric termed $\textit{Agent Importance Score}$, enabling the selection of best agents based on the contribution each agent makes.

Code Generation Language Modelling +2

UPAR: A Kantian-Inspired Prompting Framework for Enhancing Large Language Model Capabilities

no code implementations30 Sep 2023 Hejia Geng, Boxun Xu, Peng Li

Large Language Models (LLMs) have demonstrated impressive inferential capabilities, with numerous research endeavors devoted to enhancing this capacity through prompting.

Causal Judgment GSM8K +3

Exploring Large Language Models for Communication Games: An Empirical Study on Werewolf

1 code implementation9 Sep 2023 Yuzhuang Xu, Shuo Wang, Peng Li, Fuwen Luo, Xiaolong Wang, Weidong Liu, Yang Liu

Communication games, which we refer to as incomplete information games that heavily depend on natural language communication, hold significant research value in fields such as economics, social science, and artificial intelligence.

Retrieval

DGC: Training Dynamic Graphs with Spatio-Temporal Non-Uniformity using Graph Partitioning by Chunks

no code implementations7 Sep 2023 Fahao Chen, Peng Li, Celimuge Wu

Although DGNN has recently received considerable attention by AI community and various DGNN models have been proposed, building a distributed system for efficient DGNN training is still challenging.

Graph Neural Network graph partitioning +1

Position-Enhanced Visual Instruction Tuning for Multimodal Large Language Models

1 code implementation25 Aug 2023 Chi Chen, Ruoyu Qin, Fuwen Luo, Xiaoyue Mi, Peng Li, Maosong Sun, Yang Liu

However, existing visual instruction tuning methods only utilize image-language instruction data to align the language and image modalities, lacking a more fine-grained cross-modal alignment.

Position

Extreme Risk Mitigation in Reinforcement Learning using Extreme Value Theory

no code implementations24 Aug 2023 Karthik Somayaji NS, Yu Wang, Malachi Schram, Jan Drgona, Mahantesh Halappanavar, Frank Liu, Peng Li

Our work proposes to enhance the resilience of RL agents when faced with very rare and risky events by focusing on refining the predictions of the extreme values predicted by the state-action value function distribution.

reinforcement-learning Reinforcement Learning (RL)

HoSNN: Adversarially-Robust Homeostatic Spiking Neural Networks with Adaptive Firing Thresholds

1 code implementation20 Aug 2023 Hejia Geng, Peng Li

While spiking neural networks (SNNs) offer a promising neurally-inspired model of computation, they are vulnerable to adversarial attacks.

Adversarial Robustness

DiffPrep: Differentiable Data Preprocessing Pipeline Search for Learning over Tabular Data

1 code implementation20 Aug 2023 Peng Li, Zhiyi Chen, Xu Chu, Kexin Rong

Data preprocessing is a crucial step in the machine learning process that transforms raw data into a more usable format for downstream ML models.

AutoML

TrOMR:Transformer-Based Polyphonic Optical Music Recognition

1 code implementation18 Aug 2023 Yixuan Li, Huaping Liu, Qiang Jin, Miaomiao Cai, Peng Li

Optical Music Recognition (OMR) is an important technology in music and has been researched for a long time.

Auto-Tables: Synthesizing Multi-Step Transformations to Relationalize Tables without Using Examples

1 code implementation27 Jul 2023 Peng Li, Yeye He, Cong Yan, Yue Wang, Surajit Chaudhuri

Relational tables, where each row corresponds to an entity and each column corresponds to an attribute, have been the standard for tables in relational databases.

Attribute

Pluggable Neural Machine Translation Models via Memory-augmented Adapters

1 code implementation12 Jul 2023 Yuzhuang Xu, Shuo Wang, Peng Li, Xuebo Liu, Xiaolong Wang, Weidong Liu, Yang Liu

Although neural machine translation (NMT) models perform well in the general domain, it remains rather challenging to control their generation behavior to satisfy the requirement of different users.

Machine Translation NMT +1

Bridging the Gap between Decision and Logits in Decision-based Knowledge Distillation for Pre-trained Language Models

1 code implementation15 Jun 2023 Qinhong Zhou, Zonghan Yang, Peng Li, Yang Liu

By combining the theoretical and empirical estimations of the decision distributions together, the estimation of logits can be successfully reduced to a simple root-finding problem.

Data Augmentation Knowledge Distillation +2

Improving Adversarial Robustness of DEQs with Explicit Regulations Along the Neural Dynamics

1 code implementation2 Jun 2023 Zonghan Yang, Peng Li, Tianyu Pang, Yang Liu

To this end, we interpret DEQs through the lens of neural dynamics and find that AT under-regulates intermediate states.

Adversarial Robustness

Prompt-Guided Retrieval Augmentation for Non-Knowledge-Intensive Tasks

1 code implementation28 May 2023 Zhicheng Guo, Sijie Cheng, Yile Wang, Peng Li, Yang Liu

There are two main challenges to leveraging retrieval-augmented methods for NKI tasks: 1) the demand for diverse relevance score functions and 2) the dilemma between training cost and task performance.

Retrieval

Plug-and-Play Knowledge Injection for Pre-trained Language Models

1 code implementation28 May 2023 Zhengyan Zhang, Zhiyuan Zeng, Yankai Lin, Huadong Wang, Deming Ye, Chaojun Xiao, Xu Han, Zhiyuan Liu, Peng Li, Maosong Sun, Jie zhou

Experimental results on three knowledge-driven NLP tasks show that existing injection methods are not suitable for the new paradigm, while map-tuning effectively improves the performance of downstream models.

Pulse shape discrimination based on the Tempotron: a powerful classifier on GPU

1 code implementation26 May 2023 Haoran Liu, Peng Li, Ming-Zhe Liu, Kai-Ming Wang, Zhuo Zuo, Bing-Qi Liu

This study introduces the Tempotron, a powerful classifier based on a third-generation neural network model, for pulse shape discrimination.

Dataset for neutron and gamma-ray pulse shape discrimination

no code implementations24 May 2023 Kaimin Wang, Haoran Liu, Peng Li, Mingzhe Liu, Zhuo Zuo

In addition to the pulse signals, this dataset includes the source code for all the aforementioned pulse shape discrimination methods.

Weakly Supervised Vision-and-Language Pre-training with Relative Representations

no code implementations24 May 2023 Chi Chen, Peng Li, Maosong Sun, Yang Liu

Weakly supervised vision-and-language pre-training (WVLP), which learns cross-modal representations with limited cross-modal supervision, has been shown to effectively reduce the data cost of pre-training while maintaining decent performance on downstream tasks.

Retrieval

CodeIE: Large Code Generation Models are Better Few-Shot Information Extractors

1 code implementation9 May 2023 Peng Li, Tianxiang Sun, Qiong Tang, Hang Yan, Yuanbin Wu, Xuanjing Huang, Xipeng Qiu

A common practice is to recast the task into a text-to-text format such that generative LLMs of natural language (NL-LLMs) like GPT-3 can be prompted to solve it.

Code Generation Few-Shot Learning +4

Black-box Prompt Tuning with Subspace Learning

no code implementations4 May 2023 Yuanhang Zheng, Zhixing Tan, Peng Li, Yang Liu

Black-box prompt tuning employs derivative-free optimization algorithms to learn prompts within low-dimensional subspaces rather than back-propagating through the network of Large Language Models (LLMs).

Meta-Learning

Don't worry about mistakes! Glass Segmentation Network via Mistake Correction

no code implementations21 Apr 2023 Chengyu Zheng, Peng Li, Xiao-Ping Zhang, Xuequan Lu, Mingqiang Wei

The IS is designed to simulate the detection procedure of human recognition for identifying transparent glass by global context and edge information.

Minimization of Sensor Activation in Discrete-Event Systems with Control Delays and Observation Delays

no code implementations28 Mar 2023 Yunfeng Hou, Ching-Yen Weng, Peng Li

However, new challenges arise for sensor activations in networked discrete-event systems, where observation delays and control delays exist between the sensor systems and the agent.

AHPA: Adaptive Horizontal Pod Autoscaling Systems on Alibaba Cloud Container Service for Kubernetes

no code implementations7 Mar 2023 Zhiqiang Zhou, Chaoli Zhang, Lingna Ma, Jing Gu, Huajie Qian, Qingsong Wen, Liang Sun, Peng Li, Zhimin Tang

This paper discusses horizontal POD resources management in Alibaba Cloud Container Services with a newly deployed AI algorithm framework named AHPA -- the adaptive horizontal pod auto-scaling system.

Management

Restricted Orthogonal Gradient Projection for Continual Learning

no code implementations28 Jan 2023 Zeyuan Yang, Zonghan Yang, Peng Li, Yang Liu

The basic idea is to adopt a restricted orthogonal constraint allowing parameters optimized in the direction oblique to the whole frozen space to facilitate forward knowledge transfer while consolidating previous knowledge.

Continual Learning Transfer Learning

When to Trust Aggregated Gradients: Addressing Negative Client Sampling in Federated Learning

no code implementations25 Jan 2023 Wenkai Yang, Yankai Lin, Guangxiang Zhao, Peng Li, Jie zhou, Xu sun

Federated Learning has become a widely-used framework which allows learning a global model on decentralized local datasets under the condition of protecting local data privacy.

Federated Learning text-classification +1

An Extensible Plug-and-Play Method for Multi-Aspect Controllable Text Generation

1 code implementation19 Dec 2022 Xuancheng Huang, Zijun Liu, Peng Li, Tao Li, Maosong Sun, Yang Liu

Recently, multi-aspect controllable text generation that controls the generated text in multiple aspects (e. g., sentiment, topic, and keywords) has attracted increasing attention.

Machine Translation Text Generation +1

Continual Knowledge Distillation for Neural Machine Translation

1 code implementation18 Dec 2022 Yuanchi Zhang, Peng Li, Maosong Sun, Yang Liu

While many parallel corpora are not publicly accessible for data copyright, data privacy and competitive differentiation reasons, trained translation models are increasingly available on open platforms.

Knowledge Distillation Machine Translation +2

Synaptic Dynamics Realize First-order Adaptive Learning and Weight Symmetry

no code implementations1 Dec 2022 Yukun Yang, Peng Li

Gradient-based first-order adaptive optimization methods such as the Adam optimizer are prevalent in training artificial networks, achieving the state-of-the-art results.

MAVEN-ERE: A Unified Large-scale Dataset for Event Coreference, Temporal, Causal, and Subevent Relation Extraction

1 code implementation14 Nov 2022 Xiaozhi Wang, Yulin Chen, Ning Ding, Hao Peng, Zimu Wang, Yankai Lin, Xu Han, Lei Hou, Juanzi Li, Zhiyuan Liu, Peng Li, Jie zhou

It contains 103, 193 event coreference chains, 1, 216, 217 temporal relations, 57, 992 causal relations, and 15, 841 subevent relations, which is larger than existing datasets of all the ERE tasks by at least an order of magnitude.

Event Relation Extraction Relation +1

iSmallNet: Densely Nested Network with Label Decoupling for Infrared Small Target Detection

no code implementations29 Oct 2022 Zhiheng Hu, Yongzhen Wang, Peng Li, Jie Qin, Haoran Xie, Mingqiang Wei

First, to maintain small targets in deep layers, we develop a multi-scale nested interaction module to explore a wide range of context information.

object-detection Small Object Detection

GeoGCN: Geometric Dual-domain Graph Convolution Network for Point Cloud Denoising

no code implementations28 Oct 2022 Zhaowei Chen, Peng Li, Zeyong Wei, Honghua Chen, Haoran Xie, Mingqiang Wei, Fu Lee Wang

We propose GeoGCN, a novel geometric dual-domain graph convolution network for point cloud denoising (PCD).

Denoising

ROSE: Robust Selective Fine-tuning for Pre-trained Language Models

1 code implementation18 Oct 2022 Lan Jiang, Hao Zhou, Yankai Lin, Peng Li, Jie zhou, Rui Jiang

Even though the large-scale language models have achieved excellent performances, they suffer from various adversarial attacks.

Adversarial Robustness

From Mimicking to Integrating: Knowledge Integration for Pre-Trained Language Models

1 code implementation11 Oct 2022 Lei LI, Yankai Lin, Xuancheng Ren, Guangxiang Zhao, Peng Li, Jie zhou, Xu sun

We then design a Model Uncertainty--aware Knowledge Integration (MUKI) framework to recover the golden supervision for the student.

LF-VISLAM: A SLAM Framework for Large Field-of-View Cameras with Negative Imaging Plane on Mobile Agents

3 code implementations12 Sep 2022 Ze Wang, Kailun Yang, Hao Shi, Peng Li, Fei Gao, Jian Bai, Kaiwei Wang

As loop closure on wide-FoV panoramic data further comes with a large number of outliers, traditional outlier rejection methods are not directly applicable.

Autonomous Driving Simultaneous Localization and Mapping

Dynamic MRI using Learned Transform-based Tensor Low-Rank Network (LT$^2$LR-Net)

no code implementations2 Jun 2022 Yinghao Zhang, Peng Li, Yue Hu

While low-rank matrix prior has been exploited in dynamic MR image reconstruction and has obtained satisfying performance, tensor low-rank models have recently emerged as powerful alternative representations for three-dimensional dynamic MR datasets.

MRI Reconstruction Rolling Shutter Correction +1

A Template-based Method for Constrained Neural Machine Translation

1 code implementation23 May 2022 Shuo Wang, Peng Li, Zhixing Tan, Zhaopeng Tu, Maosong Sun, Yang Liu

In this work, we propose a template-based method that can yield results with high translation quality and match accuracy and the inference speed of our method is comparable with unconstrained NMT models.

Machine Translation NMT +1

A Computational Framework of Cortical Microcircuits Approximates Sign-concordant Random Backpropagation

no code implementations15 May 2022 Yukun Yang, Peng Li

We employ the Hebbian rule operating in local compartments to update synaptic weights and achieve supervised learning in a biologically plausible manner.

A Simple but Effective Pluggable Entity Lookup Table for Pre-trained Language Models

1 code implementation ACL 2022 Deming Ye, Yankai Lin, Peng Li, Maosong Sun, Zhiyuan Liu

Pre-trained language models (PLMs) cannot well recall rich factual knowledge of entities exhibited in large-scale corpora, especially those rare entities.

Domain Adaptation

Binary Neural Networks as a general-propose compute paradigm for on-device computer vision

no code implementations8 Feb 2022 Guhong Nie, Lirui Xiao, Menglong Zhu, Dongliang Chu, Yue Shen, Peng Li, Kang Yang, Li Du, Bo Chen

For binary neural networks (BNNs) to become the mainstream on-device computer vision algorithm, they must achieve a superior speed-vs-accuracy tradeoff than 8-bit quantization and establish a similar degree of general applicability in vision tasks.

Quantization Super-Resolution

Toward a More Populous Online Platform: The Economic Impacts of Compensated Reviews

no code implementations26 Jan 2022 Peng Li, Arim Park, Soohyun Cho, Yao Zhao

In this paper, we study the effect of compensated reviews on non-compensated reviews by utilizing online reviews on 1, 240 auto shipping companies over a ten-year period from a transportation website.

text-classification Text Classification

Model Uncertainty-Aware Knowledge Amalgamation for Pre-Trained Language Models

no code implementations14 Dec 2021 Lei LI, Yankai Lin, Xuancheng Ren, Guangxiang Zhao, Peng Li, Jie zhou, Xu sun

As many fine-tuned pre-trained language models~(PLMs) with promising performance are generously released, investigating better ways to reuse these models is vital as it can greatly reduce the retraining computational cost and the potential environmental side-effects.

BioLeaF: A Bio-plausible Learning Framework for Training of Spiking Neural Networks

no code implementations14 Nov 2021 Yukun Yang, Peng Li

Our experiments show that the proposed framework demonstrates learning accuracy comparable to BP-based rules and may provide new insights on how learning is orchestrated in biological systems.

On Transferability of Prompt Tuning for Natural Language Processing

1 code implementation NAACL 2022 Yusheng Su, Xiaozhi Wang, Yujia Qin, Chi-Min Chan, Yankai Lin, Huadong Wang, Kaiyue Wen, Zhiyuan Liu, Peng Li, Juanzi Li, Lei Hou, Maosong Sun, Jie zhou

To explore whether we can improve PT via prompt transfer, we empirically investigate the transferability of soft prompts across different downstream tasks and PLMs in this work.

Natural Language Understanding Transfer Learning

FedGraph: Federated Graph Learning with Intelligent Sampling

no code implementations2 Nov 2021 Fahao Chen, Peng Li, Toshiaki Miyazaki, Celimuge Wu

In this paper, we propose FedGraph for federated graph learning among multiple computing clients, each of which holds a subgraph.

Federated Learning Graph Sampling

Path-Enhanced Multi-Relational Question Answering with Knowledge Graph Embeddings

no code implementations29 Oct 2021 Guanglin Niu, Yang Li, Chengguang Tang, Zhongkai Hu, Shibin Yang, Peng Li, Chengyu Wang, Hao Wang, Jian Sun

The multi-relational Knowledge Base Question Answering (KBQA) system performs multi-hop reasoning over the knowledge graph (KG) to achieve the answer.

Knowledge Base Question Answering Knowledge Graph Embedding +1

Fixed-Time Convergent Distributed Observer Design of Linear Systems: A Kernel-Based Approach

no code implementations23 Oct 2021 Pudong Ge, Peng Li, Boli Chen, Fei Teng

The robust distributed state estimation for a class of continuous-time linear time-invariant systems is achieved by a novel kernel-based distributed observer, which, for the first time, ensures fixed-time convergence properties.

RAP: Robustness-Aware Perturbations for Defending against Backdoor Attacks on NLP Models

1 code implementation EMNLP 2021 Wenkai Yang, Yankai Lin, Peng Li, Jie zhou, Xu sun

Motivated by this observation, we construct a word-based robustness-aware perturbation to distinguish poisoned samples from clean samples to defend against the backdoor attacks on natural language processing (NLP) models.

Sentiment Analysis

Exploring Universal Intrinsic Task Subspace via Prompt Tuning

1 code implementation15 Oct 2021 Yujia Qin, Xiaozhi Wang, Yusheng Su, Yankai Lin, Ning Ding, Jing Yi, Weize Chen, Zhiyuan Liu, Juanzi Li, Lei Hou, Peng Li, Maosong Sun, Jie zhou

In the experiments, we study diverse few-shot NLP tasks and surprisingly find that in a 250-dimensional subspace found with 100 tasks, by only tuning 250 free parameters, we can recover 97% and 83% of the full prompt tuning performance for 100 seen tasks (using different training data) and 20 unseen tasks, respectively, showing great generalization ability of the found intrinsic task subspace.

Topology-Imbalance Learning for Semi-Supervised Node Classification

1 code implementation NeurIPS 2021 Deli Chen, Yankai Lin, Guangxiang Zhao, Xuancheng Ren, Peng Li, Jie zhou, Xu sun

The class imbalance problem, as an important issue in learning node representations, has drawn increasing attention from the community.

Classification Node Classification

AutoNF: Automated Architecture Optimization of Normalizing Flows Using a Mixture Distribution Formulation

no code implementations29 Sep 2021 Yu Wang, Jan Drgona, Jiaxin Zhang, Karthik Somayaji NS, Frank Y Liu, Malachi Schram, Peng Li

Although various flow models based on different transformations have been proposed, there still lacks a quantitative analysis of performance-cost trade-offs between different flows as well as a systematic way of constructing the best flow architecture.

Training Deep Spiking Neural Networks with Bio-plausible Learning Rules

no code implementations29 Sep 2021 Yukun Yang, Peng Li

There exists a marked cleavage between the biological plausible approaches and the practical backpropagation-based approaches on how to train a deep spiking neural network (DSNN) with better performance.

Dynamic Knowledge Distillation for Pre-trained Language Models

1 code implementation EMNLP 2021 Lei LI, Yankai Lin, Shuhuai Ren, Peng Li, Jie zhou, Xu sun

Knowledge distillation~(KD) has been proved effective for compressing large-scale pre-trained language models.

Knowledge Distillation

Multimodal Incremental Transformer with Visual Grounding for Visual Dialogue Generation

1 code implementation Findings (ACL) 2021 Feilong Chen, Fandong Meng, Xiuyi Chen, Peng Li, Jie zhou

Visual dialogue is a challenging task since it needs to answer a series of coherent questions on the basis of understanding the visual environment.

Dialogue Generation Visual Grounding

GoG: Relation-aware Graph-over-Graph Network for Visual Dialog

no code implementations Findings (ACL) 2021 Feilong Chen, Xiuyi Chen, Fandong Meng, Peng Li, Jie zhou

Specifically, GoG consists of three sequential graphs: 1) H-Graph, which aims to capture coreference relations among dialog history; 2) History-aware Q-Graph, which aims to fully understand the question through capturing dependency relations between words based on coreference resolution on the dialog history; and 3) Question-aware I-Graph, which aims to capture the relations between objects in an image based on fully question representation.

coreference-resolution Implicit Relations +2

Packed Levitated Marker for Entity and Relation Extraction

2 code implementations ACL 2022 Deming Ye, Yankai Lin, Peng Li, Maosong Sun

In particular, we propose a neighborhood-oriented packing strategy, which considers the neighbor spans integrally to better model the entity boundary information.

Joint Entity and Relation Extraction Relation

WeChat Neural Machine Translation Systems for WMT21

no code implementations WMT (EMNLP) 2021 Xianfeng Zeng, Yijin Liu, Ernan Li, Qiu Ran, Fandong Meng, Peng Li, Jinan Xu, Jie zhou

This paper introduces WeChat AI's participation in WMT 2021 shared news translation task on English->Chinese, English->Japanese, Japanese->English and English->German.

Knowledge Distillation Machine Translation +3

Composing Recurrent Spiking Neural Networks using Locally-Recurrent Motifs and Risk-Mitigating Architectural Optimization

no code implementations4 Aug 2021 Wenrui Zhang, Hejia Geng, Peng Li

The small size of the motifs and sparse inter-motif connectivity leads to an RSNN architecture scalable to large network sizes.

Rethinking Stealthiness of Backdoor Attack against NLP Models

1 code implementation ACL 2021 Wenkai Yang, Yankai Lin, Peng Li, Jie zhou, Xu sun

In this work, we point out a potential problem of current backdoor attacking research: its evaluation ignores the stealthiness of backdoor attacks, and most of existing backdoor attacking methods are not stealthy either to system deployers or to system users.

Backdoor Attack Data Augmentation +2

H2Learn: High-Efficiency Learning Accelerator for High-Accuracy Spiking Neural Networks

no code implementations25 Jul 2021 Ling Liang, Zheng Qu, Zhaodong Chen, Fengbin Tu, Yujie Wu, Lei Deng, Guoqi Li, Peng Li, Yuan Xie

Although spiking neural networks (SNNs) take benefits from the bio-plausible neural modeling, the low accuracy under the common local synaptic plasticity learning rules limits their application in many practical tasks.

Vocal Bursts Intensity Prediction

Backpropagated Neighborhood Aggregation for Accurate Training of Spiking Neural Networks

no code implementations22 Jun 2021 Yukun Yang, Wenrui Zhang, Peng Li

While backpropagation (BP) has been applied to spiking neural networks (SNNs) achieving encouraging results, a key challenge involved is to backpropagate a continuous-valued loss over layers of spiking neurons exhibiting discontinuous all-or-none firing activities.

Demonstration of Panda: A Weakly Supervised Entity Matching System

no code implementations21 Jun 2021 Renzhi Wu, Prem Sakala, Peng Li, Xu Chu, Yeye He

Panda's IDE includes many novel features purpose-built for EM, such as smart data sampling, a builtin library of EM utility functions, automatically generated LFs, visual debugging of LFs, and finally, an EM-specific labeling model.

Management

Context Tracking Network: Graph-based Context Modeling for Implicit Discourse Relation Recognition

no code implementations NAACL 2021 Yingxue Zhang, Fandong Meng, Peng Li, Ping Jian, Jie zhou

Implicit discourse relation recognition (IDRR) aims to identify logical relations between two adjacent sentences in the discourse.

Relation Sentence

Fully Hyperbolic Neural Networks

1 code implementation ACL 2022 Weize Chen, Xu Han, Yankai Lin, Hexu Zhao, Zhiyuan Liu, Peng Li, Maosong Sun, Jie zhou

Hyperbolic neural networks have shown great potential for modeling complex data.

Knowledge Inheritance for Pre-trained Language Models

2 code implementations NAACL 2022 Yujia Qin, Yankai Lin, Jing Yi, Jiajie Zhang, Xu Han, Zhengyan Zhang, Yusheng Su, Zhiyuan Liu, Peng Li, Maosong Sun, Jie zhou

Specifically, we introduce a pre-training framework named "knowledge inheritance" (KI) and explore how could knowledge distillation serve as auxiliary supervision during pre-training to efficiently learn larger PLMs.

Domain Adaptation Knowledge Distillation +2

CSS-LM: A Contrastive Framework for Semi-supervised Fine-tuning of Pre-trained Language Models

1 code implementation7 Feb 2021 Yusheng Su, Xu Han, Yankai Lin, Zhengyan Zhang, Zhiyuan Liu, Peng Li, Jie zhou, Maosong Sun

We then perform contrastive semi-supervised learning on both the retrieved unlabeled and original labeled instances to help PLMs capture crucial task-related semantic features.

Relief and Stimulus in A Cross-sector Multi-product Scarce Resource Supply Chain Network

1 code implementation22 Jan 2021 Xiaowei Hu, Peng Li

In the era of a growing population, systemic changes to the world, and the rising risk of crises, humanity has been facing an unprecedented challenge of resource scarcity.

Growth, Electronic Structure and Superconductivity of Ultrathin Epitaxial CoSi2 Films

no code implementations21 Jan 2021 Yuan Fang, Ding Wang, Peng Li, Hang Su, Tian Le, Yi Wu, Guo-Wei Yang, Hua-Li Zhang, Zhi-Guang Xiao, Yan-Qiu Sun, Si-Yuan Hong, Yan-Wu Xie, Huan-Hua Wang, Chao Cao, Xin Lu, Hui-Qiu Yuan, Yang Liu

We report growth, electronic structure and superconductivity of ultrathin epitaxial CoSi2 films on Si(111).

Mesoscale and Nanoscale Physics

Topological Hall Effect in a Topological Insulator Interfaced with a Magnetic Insulator

no code implementations16 Dec 2020 Peng Li, Jinjun Ding, Steven S. -L. Zhang, James Kally, Timothy Pillsbury, Olle G. Heinonen, Gaurab Rimal, Chong Bi, August DeMann, Stuart B. Field, Weigang Wang, Jinke Tang, J. S. Jiang, Axel Hoffmann, Nitin Samarth, Mingzhong Wu

A topological insulator (TI) interfaced with a magnetic insulator (MI) may host an anomalous Hall effect (AHE), a quantum AHE, and a topological Hall effect (THE).

Materials Science Mesoscale and Nanoscale Physics Applied Physics

Rethinking the Promotion Brought by Contrastive Learning to Semi-Supervised Node Classification

no code implementations14 Dec 2020 Deli Chen, Yankai Lin, Lei LI, Xuancheng Ren, Peng Li, Jie zhou, Xu sun

Graph Contrastive Learning (GCL) has proven highly effective in promoting the performance of Semi-Supervised Node Classification (SSNC).

Contrastive Learning Graph Learning +1

Neural Gibbs Sampling for Joint Event Argument Extraction

1 code implementation Asian Chapter of the Association for Computational Linguistics 2020 Xiaozhi Wang, Shengyu Jia, Xu Han, Zhiyuan Liu, Juanzi Li, Peng Li, Jie zhou

Existing EAE methods either extract each event argument roles independently or sequentially, which cannot adequately model the joint probability distribution among event arguments and their roles.

Event Argument Extraction Event Extraction

Charge density wave and weak Kondo effect in a Dirac semimetal CeSbTe

no code implementations23 Nov 2020 Peng Li, Baijiang Lv, Yuan Fang, Wei Guo, Zhongzheng Wu, Yi Wu, Cheng-Maw Cheng, Dawei Shen, Yuefeng Nie, Luca Petaccia, Chao Cao, Zhu-An Xu, Yang Liu

Using angle-resolved photoemission spectroscopy (ARPES) and low-energy electron diffraction (LEED), together with density-functional theory (DFT) calculation, we report the formation of charge density wave (CDW) and its interplay with the Kondo effect and topological states in CeSbTe.

Strongly Correlated Electrons Materials Science

EasyTransfer -- A Simple and Scalable Deep Transfer Learning Platform for NLP Applications

2 code implementations18 Nov 2020 Minghui Qiu, Peng Li, Chengyu Wang, Hanjie Pan, Ang Wang, Cen Chen, Xianyan Jia, Yaliang Li, Jun Huang, Deng Cai, Wei Lin

The literature has witnessed the success of leveraging Pre-trained Language Models (PLMs) and Transfer Learning (TL) algorithms to a wide range of Natural Language Processing (NLP) applications, yet it is not easy to build an easy-to-use and scalable TL toolkit for this purpose.

Compiler Optimization Conversational Question Answering +1

Using simulation to incorporate dynamic criteria into multiple criteria decision-making

no code implementations16 Nov 2020 Uwe Aickelin, Jenna Marie Reps, Peer-Olaf Siebers, Peng Li

In this paper, we present a case study demonstrating how dynamic and uncertain criteria can be incorporated into a multicriteria analysis with the help of discrete event simulation.

Decision Making

DisenE: Disentangling Knowledge Graph Embeddings

no code implementations28 Oct 2020 Xiaoyu Kou, Yankai Lin, Yuntao Li, Jiahao Xu, Peng Li, Jie zhou, Yan Zhang

Knowledge graph embedding (KGE), aiming to embed entities and relations into low-dimensional vectors, has attracted wide attention recently.

Entity Embeddings Knowledge Graph Embedding +2

Skip-Connected Self-Recurrent Spiking Neural Networks with Joint Intrinsic Parameter and Synaptic Weight Training

no code implementations23 Oct 2020 Wenrui Zhang, Peng Li

Moreover, we propose a new backpropagation (BP) method called backpropagated intrinsic plasticity (BIP) to further boost the performance of ScSr-SNNs by training intrinsic model parameters.

MS-Ranker: Accumulating Evidence from Potentially Correct Candidates for Answer Selection

no code implementations10 Oct 2020 Yingxue Zhang, Fandong Meng, Peng Li, Ping Jian, Jie zhou

As conventional answer selection (AS) methods generally match the question with each candidate answer independently, they suffer from the lack of matching information between the question and the candidate.

Answer Selection Reinforcement Learning (RL)

Disentangle-based Continual Graph Representation Learning

1 code implementation EMNLP 2020 Xiaoyu Kou, Yankai Lin, Shaobo Liu, Peng Li, Jie zhou, Yan Zhang

Graph embedding (GE) methods embed nodes (and/or edges) in graph into a low-dimensional semantic space, and have shown its effectiveness in modeling multi-relational data.

Continual Learning Graph Embedding +1

Learning from Context or Names? An Empirical Study on Neural Relation Extraction

1 code implementation EMNLP 2020 Hao Peng, Tianyu Gao, Xu Han, Yankai Lin, Peng Li, Zhiyuan Liu, Maosong Sun, Jie zhou

We find that (i) while context is the main source to support the predictions, RE models also heavily rely on the information from entity mentions, most of which is type information, and (ii) existing datasets may leak shallow heuristics via entity mentions and thus contribute to the high performance on RE benchmarks.

Memorization Relation +1

CokeBERT: Contextual Knowledge Selection and Embedding towards Enhanced Pre-Trained Language Models

1 code implementation29 Sep 2020 Yusheng Su, Xu Han, Zhengyan Zhang, Peng Li, Zhiyuan Liu, Yankai Lin, Jie zhou, Maosong Sun

In this paper, we propose a novel framework named Coke to dynamically select contextual knowledge and embed knowledge context according to textual context for PLMs, which can avoid the effect of redundant and ambiguous knowledge in KGs that cannot match the input text.

Knowledge Graphs

Detector tilt considerations in high-energy Bragg coherent diffraction imaging: a simulation study

1 code implementation4 Aug 2020 Siddharth Maddali, Marc Allain, Peng Li, Virginie Chamard, Stephan O. Hruszkewycz

This paper addresses three-dimensional signal distortion and image reconstruction issues in x-ray Bragg coherent diffraction imaging (BCDI) in the event of a non-trivial, non-orthogonal orientation of the area detector with respect to the diffracted beam.

Instrumentation and Detectors Image and Video Processing

Continual Relation Learning via Episodic Memory Activation and Reconsolidation

no code implementations ACL 2020 Xu Han, Yi Dai, Tianyu Gao, Yankai Lin, Zhiyuan Liu, Peng Li, Maosong Sun, Jie zhou

Continual relation learning aims to continually train a model on new data to learn incessantly emerging novel relations while avoiding catastrophically forgetting old relations.

Continual Learning Relation

Learning to Recover from Multi-Modality Errors for Non-Autoregressive Neural Machine Translation

1 code implementation ACL 2020 Qiu Ran, Yankai Lin, Peng Li, Jie zhou

By dynamically determining segment length and deleting repetitive segments, RecoverSAT is capable of recovering from repetitive and missing token errors.

Machine Translation Sentence +1

Nearest Neighbor Classifiers over Incomplete Information: From Certain Answers to Certain Predictions

1 code implementation11 May 2020 Bojan Karlaš, Peng Li, Renzhi Wu, Nezihe Merve Gürel, Xu Chu, Wentao Wu, Ce Zhang

Machine learning (ML) applications have been thriving recently, largely attributed to the increasing availability of data.

BIG-bench Machine Learning

Coreferential Reasoning Learning for Language Representation

2 code implementations EMNLP 2020 Deming Ye, Yankai Lin, Jiaju Du, Zheng-Hao Liu, Peng Li, Maosong Sun, Zhiyuan Liu

Language representation models such as BERT could effectively capture contextual semantic information from plain text, and have been proved to achieve promising results in lots of downstream NLP tasks with appropriate fine-tuning.

Relation Extraction