Pengjun Xie

76 papers · 2017–2026 · 13 conferences · across top CS/AI conferences

Achievements

🌈 Renaissance Researcher (8) 🏃 Academic Marathon (8) 🐝 Cross-Pollinator (12) 🌉 Interdisciplinary Bridge 🗺️ Taxonomy Completionist (12) 🧭 Keyword Pioneer 🐣 Hot Topic Early Bird 🌍 Conference Polyglot (13) 🏠 Conference Loyalist (22) 🤝 Dynamic Duo (39) 🏆 Grand Slam 🔬 Deep Specialist (18) 🧬 Topic Evolution 🏆 Keyword Champion (25) ❓ The Questioner 🗃️ Keyword Collector (309) 🔥 Unstoppable (9) 💎 Century Club (75) ⚡ Prolific Year (10)

Conferences

ACL (22) EMNLP (20) NAACL (7) AAAI (6) IJCNLP (4) SEMEVAL (4) COLING (3) ICLR (3) EACL (2) NIPS (2) CVPR (1) ICML (1) IJCAI (1)

Top co-authors

Yong Jiang (39) Fei Huang (38) Xiaobin Wang (22) Guangwei Xu (14) Kewei Tu (14) Dingkun Long (13) Meishan Zhang (12) Min Zhang (10) Yanzhao Zhang (9) Ningyu Zhang (9)

Research topics

Understanding (1)

Keywords

named entity recognition (25) large language model (15) retrieval-augmented generation (13) information retrieval (8) domain adaptation (7) entity typing (6) few-shot learning (5) knowledge base (5) sequence labeling (5) pretrained language model (4) representation learning (4) supervised fine-tuning (3) multimodal retrieval (3) language model (3) text representation (3) dense retrieval (3) transfer learning (3) zero-shot learning (3) reinforcement learning (3) data augmentation (3)

Papers

ERank: Fusing Supervised Fine-Tuning and Reinforcement Learning for Effective and Efficient Text Reranking AAAI 2026

Unfolding the Headline: Iterative Self-Questioning for News Retrieval and Timeline Summarization NAACL 2025

Supportiveness-based Knowledge Rewriting for Retrieval-augmented Language Modeling NAACL 2025

KBM: Delineating Knowledge Boundary for Adaptive Retrieval in Large Language Models EMNLP 2025

ProductAgent: Benchmarking Conversational Product Search Agent with Asking Clarification Questions EMNLP 2025

Towards Text-Image Interleaved Retrieval ACL 2025

WebWalker: Benchmarking LLMs in Web Traversal ACL 2025

Agentic Knowledgeable Self-awareness ACL 2025

SynWorld: Virtual Scenario Synthesis for Agentic Action Knowledge Refinement ACL 2025

Language Models are Universal Embedders ACL 2025

Detecting Knowledge Boundary of Vision Large Language Models by Sampling-Based Inference EMNLP 2025

Let LLMs Take on the Latest Challenges! A Chinese Dynamic Question Answering Benchmark COLING 2025

Bridging Modalities: Improving Universal Multimodal Retrieval by Multimodal Large Language Models CVPR 2025

OmniThink: Expanding Knowledge Boundaries in Machine Writing through Thinking EMNLP 2025

EvolveSearch: An Iterative Self-Evolving Search Agent EMNLP 2025

ViDoRAG: Visual Document Retrieval-Augmented Generation via Dynamic Iterative Reasoning Agents EMNLP 2025

DecoupleSearch: Decouple Planning and Search via Hierarchical Reward Modeling EMNLP 2025

Benchmarking Agentic Workflow Generation ICLR 2025

LaRA: Benchmarking Retrieval-Augmented Generation and Long-Context LLMs – No Silver Bullet for LC or RAG Routing ICML 2025

Geo-Encoder: A Chunk-Argument Bi-Encoder Framework for Chinese Geographic Re-Ranking EACL 2024

Query Routing for Homogeneous Tools: An Instantiation in the RAG Scenario EMNLP 2024

Knowledge Mechanisms in Large Language Models: A Survey and Perspective EMNLP 2024

Effective Demonstration Annotation for In-Context Learning via Language Model-Based Determinantal Point Process EMNLP 2024

Retrieved In-Context Principles from Previous Mistakes EMNLP 2024

mGTE: Generalized Long-Context Text Representation and Reranking Models for Multilingual Text Retrieval EMNLP 2024

RaFe: Ranking Feedback Improves Query Rewriting for RAG EMNLP 2024

Agent Planning with World Knowledge Model NIPS 2024

Three Heads Are Better than One: Improving Cross-Domain NER with Progressive Decomposed Network AAAI 2024

EcomGPT: Instruction-Tuning Large Language Models with Chain-of-Task Tasks for E-commerce AAAI 2024

WISE: Rethinking the Knowledge Memory for Lifelong Model Editing of Large Language Models NIPS 2024

SeqGPT: An Out-of-the-Box Large Language Model for Open Domain Sequence Understanding AAAI 2024

Improving Retrieval Augmented Open-Domain Question-Answering with Vectorized Contexts ACL 2024

A Two-Stage Adaptation of Large Language Models for Text Ranking ACL 2024

Chinese Sequence Labeling with Semi-Supervised Boundary-Aware Language Model Pre-training COLING 2024

Exploring Key Point Analysis with Pairwise Generation and Graph Partitioning NAACL 2024

Improving Low-resource Named Entity Recognition with Graph Propagated Data Augmentation ACL 2023

Adversarial Self-Attention for Language Understanding AAAI 2023

Do PLMs Know and Understand Ontological Knowledge? ACL 2023

MANNER: A Variational Memory-Augmented Model for Cross Domain Few-Shot Named Entity Recognition ACL 2023

Recall, Expand, and Multi-Candidate Cross-Encode: Fast and Accurate Ultra-Fine Entity Typing ACL 2023

Exploring Lottery Prompts for Pre-trained Language Models ACL 2023

Few-shot Classification with Hypersphere Modeling of Prototypes ACL 2023

Entity-to-Text based Data Augmentation for various Named Entity Recognition Tasks ACL 2023

DAMO-NLP at SemEval-2023 Task 2: A Unified Retrieval-augmented System for Multilingual Named Entity Recognition ACL 2023

COMBO: A Complete Benchmark for Open KG Canonicalization EACL 2023

Text Representation Distillation via Information Bottleneck Principle EMNLP 2023

DAMO-NLP at SemEval-2023 Task 2: A Unified Retrieval-augmented System for Multilingual Named Entity Recognition SEMEVAL 2023

Forging Multiple Training Objectives for Pre-trained Language Models via Meta-Learning EMNLP 2022

Named Entity and Relation Extraction with Multi-Modal Retrieval EMNLP 2022

Modeling Label Correlations for Ultra-Fine Entity Typing with Neural Pairwise Conditional Random Field EMNLP 2022

Unsupervised Boundary-Aware Language Model Pretraining for Chinese Sequence Labeling EMNLP 2022

Domain-Specific NER via Retrieving Correlated Samples COLING 2022

Parallel Instance Query Network for Named Entity Recognition ACL 2022

Robust Self-Augmentation for Named Entity Recognition with Meta Reweighting NAACL 2022

DAMO-NLP at SemEval-2022 Task 11: A Knowledge-based System for Multilingual Named Entity Recognition NAACL 2022

DAMO-NLP at SemEval-2022 Task 11: A Knowledge-based System for Multilingual Named Entity Recognition SEMEVAL 2022

Prompt-learning for Fine-grained Entity Typing EMNLP 2022

Counterfactual Inference for Text Classification Debiasing ACL 2021

Few-NERD: A Few-shot Named Entity Recognition Dataset ACL 2021

Few-NERD: A Few-shot Named Entity Recognition Dataset IJCNLP 2021

Counterfactual Inference for Text Classification Debiasing IJCNLP 2021

Crowdsourcing Learning as Domain Adaptation: A Case Study on Named Entity Recognition IJCNLP 2021

Knowledge-aware Named Entity Recognition with Alleviating Heterogeneity AAAI 2021

A Fine-Grained Domain Adaption Model for Joint Word Segmentation and POS Tagging EMNLP 2021

Crowdsourcing Learning as Domain Adaptation: A Case Study on Named Entity Recognition ACL 2021

Prototypical Representation Learning for Relation Extraction ICLR 2021

Probing BERT in Hyperbolic Spaces ICLR 2021

Coupling Distant Annotation and Adversarial Training for Cross-Domain Chinese Word Segmentation ACL 2020

Learning with Noise: Improving Distantly-Supervised Fine-grained Entity Typing via Automatic Relabeling IJCAI 2020

Hierarchy-Aware Global Model for Hierarchical Text Classification ACL 2020

DM_NLP at SemEval-2018 Task 12: A Pipeline System for Toponym Resolution SEMEVAL 2019

Neural Chinese Address Parsing NAACL 2019

A Neural Multi-digraph Model for Chinese NER with Gazetteers ACL 2019

Better Modeling of Incomplete Annotations for Named Entity Recognition NAACL 2019

DM_NLP at SemEval-2018 Task 8: neural sequence labeling with linguistic features SEMEVAL 2018

Alibaba at IJCNLP-2017 Task 1: Embedding Grammatical Features into LSTMs for Chinese Grammatical Error Diagnosis Task IJCNLP 2017