
Piji Li
bert
text generation
vision-language model
natural language processing
grammatical error correction
multimodality
information retrieval
dialogue generation
spatial reasoning
multi-agent communication
storytelling
collaborative filtering
chinese spelling check
parameter-efficient fine-tuning
non-autoregressive generation
10
presentations
24
number of views
SHORT BIO
Dr. Piji Li is a professor in the College of Computer Science and Technology at Nanjing University of Aeronautics and Astronautics and he leads the NUAA NLP Group. Previously, he was a senior researcher at Tencent AI Lab. He received his Ph.D. degree from the Department of Systems Engineering and Engineering Management, The Chinese University of Hong Kong in 2018, under the supervision of Prof. Wai Lam. Before joining CUHK, He was a full-time R&D Engineer at Baidu Inc. and Wumii Inc. He received his master and bachelor degree from School of Computer Science and Technology in Shandong University from 2005 to 2012, under the supervision of Prof. Jun Ma.
Presentations

Semantic are Beacons: A Semantic Perspective for Unveiling Parameter-Efficient Fine-Tuning in Knowledge Learning
Renzhi Wang and 1 other author

InfoDiffusion: Information Entropy Aware Diffusion Process for Non-Autoregressive Text Generation
Renzhi Wang and 2 other authors

Multi-Source Multi-Type Knowledge Exploration and Exploitation for Dialogue Generation
Xuanfan Ni and 3 other authors

Feature-Level Debiased Natural Language Understanding
Zhaochun Ren and 7 other authors

uChecker: Masked Pretrained Language Models as Unsupervised Chinese Spelling Checkers
Piji Li

"Is Whole Word Masking Always Better for Chinese BERT?": Probing on Chinese Grammatical Error Correction
Yong Dai and 7 other authors

Event Transition Planning for Open-ended Text Generation
Qintong Li and 5 other authors

Knowledge Bridging for Empathetic Dialogue Generation
Qintong Li and 4 other authors

Tail-to-Tail Non-Autoregressive Sequence Prediction for Chinese Grammatical Error Correction
Piji Li and 1 other author

Keep it Consistent: Topic-Aware Storytelling from an Image Stream via Iterative Multi-agent Communication
Ruize Wang and 7 other authors