Using Deep Linguistic Features for Finding Deceptive Opinion Spam. - Qiongkai Xu; Hai Zhao (COLING (Posters), 2012)

Detecting English-French Cognates Using Orthographic Edit Distance. - Qiongkai Xu; Albert Chen; Chang Li (ALTA, 2015)

GraRep: Learning Graph Representations with Global Structural Information. - Shaosheng Cao; Wei Lu 011; Qiongkai Xu (CIKM, 2015)

Deep Neural Networks for Learning Graph Representations. - Shaosheng Cao; Wei Lu 011; Qiongkai Xu (AAAI, 2016)

Unsupervised Pre-training With Seq2Seq Reconstruction Loss for Deep Relation Extraction Models. - Zhuang Li 001; Lizhen Qu; Qiongkai Xu; Mark Johnson 001 (ALTA, 2016)

Semantic Documents Relatedness using Concept Graph Representation. - Yuan Ni; Qiongkai Xu; Feng Cao; Yosi Mass; Dafna Sheinwald; Huijia Zhu; Shao Sheng Cao (WSDM, 2016)

Demographic Inference on Twitter using Recursive Neural Networks. - Sunghwan Mac Kim; Qiongkai Xu; Lizhen Qu; Stephen Wan 001; Cécile Paris (ACL (2), 2017)

Attentive Graph-based Recursive Neural Network for Collective Vertex Classification. - Qiongkai Xu; Qing Wang 002; Chenchen Xu; Lizhen Qu (CIKM, 2017)

Collective Vertex Classification Using Recursive Neural Network. - Qiongkai Xu; Qing Wang 002; Chenchen Xu; Lizhen Qu (CoRR, 2017)

EPUTION at SemEval-2018 Task 2: Emoji Prediction with User Adaption. - Liyuan Zhou; Qiongkai Xu; Hanna Suominen; Tom Gedeon (SemEval@NAACL-HLT, 2018)

D-PAGE: Diverse Paraphrase Generation. - Qiongkai Xu; Juyan Zhang; Lizhen Qu; Lexing Xie; Richard Nock (CoRR, 2018)

ALTER: Auxiliary Text Rewriting Tool for Natural Language Generation. - Qiongkai Xu; Chenchen Xu; Lizhen Qu (EMNLP/IJCNLP (3), 2019)

Privacy-Aware Text Rewriting. - Qiongkai Xu; Lizhen Qu; Chenchen Xu; Ran Cui (INLG, 2019)

Adhering, Steering, and Queering: Treatment of Gender in Natural Language Generation. - Yolande A. A. Strengers; Lizhen Qu; Qiongkai Xu; Jarrod Knibbe (CHI, 2020)

Personal Information Leakage Detection in Conversations. - Qiongkai Xu; Lizhen Qu; Zeyu Gao; Gholamreza Haffari (EMNLP (1), 2020)

Model Extraction and Adversarial Transferability, Your BERT is Vulnerable! - Xuanli He; Lingjuan Lyu; Lichao Sun 001; Qiongkai Xu (NAACL-HLT, 2021)

Privacy Monitoring Service for Conversations. - Qiongkai Xu; Chenchen Xu; Lizhen Qu (WSDM, 2021)

Beyond Model Extraction: Imitation Attack for Black-Box NLP APIs. - Qiongkai Xu; Xuanli He; Lingjuan Lyu; Lizhen Qu; Gholamreza Haffari (CoRR, 2021)

Protecting Intellectual Property of Language Generation APIs with Lexical Watermark. - Xuanli He; Qiongkai Xu; Lingjuan Lyu; Fangzhao Wu; Chenguang Wang 001 (AAAI, 2022)

Student Surpasses Teacher: Imitation Attack for Black-Box NLP APIs. - Qiongkai Xu; Xuanli He; Lingjuan Lyu; Lizhen Qu; Gholamreza Haffari (COLING, 2022)

Extracted BERT Model Leaks More Information than You Think! - Xuanli He; Lingjuan Lyu; Chen Chen 043; Qiongkai Xu (EMNLP, 2022)

Variational Autoencoder with Disentanglement Priors for Low-Resource Task-Specific Natural Language Generation. - Zhuang Li 001; Lizhen Qu; Qiongkai Xu; Tongtong Wu; Tianyang Zhan; Gholamreza Haffari (EMNLP, 2022)

CATER: Intellectual Property Protection on Text Generation APIs via Conditional Watermarks. - Xuanli He; Qiongkai Xu; Yi Zeng 005; Lingjuan Lyu; Fangzhao Wu; Jiwei Li 001; Ruoxi Jia 001 (NeurIPS, 2022)

Rethinking Round-trip Translation for Automatic Machine Translation Evaluation. - Terry Yue Zhuo; Qiongkai Xu; Xuanli He; Trevor Cohn (CoRR, 2022)

Overview of the 2023 ALTA Shared Task: Discriminate between Human-Written and Machine-Generated Text. - Diego Mollá; Haolan Zhan; Xuanli He; Qiongkai Xu (ALTA, 2023)

Rethinking Round-Trip Translation for Machine Translation Evaluation. - Terry Yue Zhuo; Qiongkai Xu; Xuanli He; Trevor Cohn (ACL (Findings), 2023)

Fingerprint Attack: Client De-Anonymization in Federated Learning. - Qiongkai Xu; Trevor Cohn; Olga Ohrimenko (ECAI, 2023)

Mitigating Backdoor Poisoning Attacks through the Lens of Spurious Correlation. - Xuanli He; Qiongkai Xu; Jun Wang 126; Benjamin I. P. Rubinstein; Trevor Cohn (EMNLP, 2023)

Boot and Switch: Alternating Distillation for Zero-Shot Dense Retrieval. - Fan Jiang; Qiongkai Xu; Tom Drummond; Trevor Cohn (EMNLP (Findings), 2023)

Humanly Certifying Superhuman Classifiers. - Qiongkai Xu; Christian Walder; Chenchen Xu (ICLR, 2023)

Training-free Lexical Backdoor Attacks on Language Models. - Yujin Huang; Terry Yue Zhuo; Qiongkai Xu; Han Hu; Xingliang Yuan; Chunyang Chen 001 (WWW, 2023)

Overview of the 2024 ALTA Shared Task: Detect Automatic AI-Generated Sentences for Human-AI Hybrid Articles. - Diego Mollá; Qiongkai Xu; Zijie Zeng; Zhuang Li 001 (ALTA, 2024)

Here's a Free Lunch: Sanitizing Backdoored Models with Model Merge. - Ansh Arora; Xuanli He; Maximilian Mozes; Srinibas Swain; Mark Dras; Qiongkai Xu (ACL (Findings), 2024)

WARDEN: Multi-Directional Backdoor Watermarks for Embedding-as-a-Service Copyright Protection. - Anudeex Shetty; Yue Teng; Ke He; Qiongkai Xu (ACL (1), 2024)

Seeing the Forest through the Trees: Data Leakage from Partial Transformer Gradients. - Weijun Li 003; Qiongkai Xu; Mark Dras (EMNLP, 2024)

Backdoor Attacks on Multilingual Machine Translation. - Jun Wang 126; Qiongkai Xu; Xuanli He; Benjamin I. P. Rubinstein; Trevor Cohn (NAACL-HLT, 2024)

Backdoor Attack on Multilingual Machine Translation. - Jun Wang 126; Qiongkai Xu; Xuanli He; Benjamin I. P. Rubinstein; Trevor Cohn (CoRR, 2024)

Attacks on Third-Party APIs of Large Language Models. - Wanru Zhao; Vidit Khazanchi; Haodi Xing; Xuanli He; Qiongkai Xu; Nicholas Donald Lane (CoRR, 2024)

Transferring Troubles: Cross-Lingual Transferability of Backdoor Attacks in LLMs with Instruction Tuning. - Xuanli He; Jun Wang; Qiongkai Xu; Pasquale Minervini; Pontus Stenetorp; Benjamin I. P. Rubinstein; Trevor Cohn (CoRR, 2024)

NAP^2: A Benchmark for Naturalness and Privacy-Preserving Text Rewriting by Learning from Human. - Shuo Huang; William MacLean; Xiaoxi Kang; Anqi Wu; Lizhen Qu; Qiongkai Xu; Zhuang Li 001; Xingliang Yuan; Gholamreza Haffari (CoRR, 2024)

IDT: Dual-Task Adversarial Attacks for Privacy Protection. - Pedro Faustini; Shakila Mahjabin Tonni; Annabelle McIver; Qiongkai Xu; Mark Dras (CoRR, 2024)

Cut the Deadwood Out: Post-Training Model Purification with Selective Module Substitution. - Yao Tong; Weijun Li 003; Xuanli He; Haolan Zhan; Qiongkai Xu (CoRR, 2024)

SEEP: Training Dynamics Grounds Latent Representation Search for Mitigating Backdoor Poisoning Attacks. - Xuanli He; Qiongkai Xu; Jun Wang 126; Benjamin I. P. Rubinstein; Trevor Cohn (Trans. Assoc. Comput. Linguistics, 2024)

Generative Models are Self-Watermarked: Declaring Model Authentication through Re-Generation. - Aditya Desu; Xuanli He; Qiongkai Xu; Wei Lu 011 (Trans. Mach. Learn. Res., 2024)

ALGEN: Few-shot Inversion Attacks on Textual Embeddings via Cross-Model Alignment and Generation. - Yiyi Chen 002; Qiongkai Xu; Johannes Bjerva (ACL (1), 2025)

TUBA: Cross-Lingual Transferability of Backdoor Attacks in LLMs with Instruction Tuning. - Xuanli He; Jun Wang; Qiongkai Xu; Pasquale Minervini; Pontus Stenetorp; Benjamin I. P. Rubinstein; Trevor Cohn (ACL (Findings), 2025)

WET: Overcoming Paraphrasing Vulnerabilities in Embeddings-as-a-Service with Linear Transformation Watermarks. - Anudeex Shetty; Qiongkai Xu; Jey Han Lau (ACL (1), 2025)

HEAL: Healthcare Emergency Assistants Leveraging Large Language Models. - Zihan Zhu; Qiongkai Xu; Amin Beheshti (WWW (Companion Volume), 2025)

ALGEN: Few-shot Inversion Attacks on Textual Embeddings using Alignment and Generation. - Yiyi Chen 002; Qiongkai Xu; Johannes Bjerva (CoRR, 2025)

Defending Deep Neural Networks against Backdoor Attacks via Module Switching. - Weijun Li 003; Ansh Arora; Xuanli He; Mark Dras; Qiongkai Xu (CoRR, 2025)

GRADA: Graph-based Reranker against Adversarial Documents Attack. - Jingjie Zheng; Aryo Pradipta Gema; Giwon Hong; Xuanli He; Pasquale Minervini; Youcheng Sun; Qiongkai Xu (CoRR, 2025)

PatentScore: Multi-dimensional Evaluation of LLM-Generated Patent Claims. - Yongmin Yoo; Qiongkai Xu; Longbing Cao (CoRR, 2025)

PatentMind: A Multi-Aspect Reasoning Graph for Patent Similarity Evaluation. - Yongmin Yoo; Qiongkai Xu; Longbing Cao (CoRR, 2025)