Lucian Popa

Principal Research Staff Member, International Business Machines

Joined

July 2019

Names

Lucian Popa

Emails

****@us.ibm.com (Confirmed)

Personal Links

DBLP

Semantic Scholar

Career & Education History

Principal Research Staff Member

International Business Machines (ibm.com)

2017 – Present

Research Staff Member

International Business Machines (ibm.com)

2000 – 2017

Advisors, Relations & Conflicts

PhD Advisor

Val Tannen

Present

Expertise

Data integration

entity resolution

entity linking

human-in-the-loop AI

active learning

knowledge fusion

AutoAI

RAG

LLM customization

Present

Publications

Activated LoRA: Fine-tuned LLMs for Intrinsics
Kristjan Greenewald, Luis A. Lastras, Thomas Parnell, Vraj Shah, Lucian Popa, Giulio Zizzo, Chulaka Gunasekara, Ambrish Rawat, David Daniel Cox
- NeurIPS 2025 poster
- Readers: Everyone
DELIFT: Data Efficient Language model Instruction Fine-Tuning
Ishika Agarwal, Krishnateja Killamsetty, Lucian Popa, Marina Danilevsky
- ICLR 2025 Poster
- Readers: Everyone
A comparative analysis between human-in-the-loop systems and large language models for pattern extraction tasks
Maeda Hanafi, Yannis Katsis, Ishan Jindal, Lucian Popa
- OpenReview Archive Direct Upload
- Readers: Everyone
Beyond Labels: Empowering Human Annotators with Natural Language Explanations through a Novel Active-Learning Architecture
Bingsheng Yao, Ishan Jindal, Lucian Popa, Yannis Katsis, Sayan Ghosh, Lihong He, Yuxuan Lu, Shashank Srivastava, Yunyao Li, James Hendler, Dakuo Wang
- EMNLP 2023 Findings
- Readers: Everyone
AUTOMATA: Gradient Based Data Subset Selection for Compute-Efficient Hyper-parameter Tuning
Krishnateja Killamsetty, Guttu Sai Abhishek, Aakriti Lnu, Ganesh Ramakrishnan, Alexandre V. Evfimievski, Lucian Popa, Rishabh K Iyer
- Published: 31 Oct 2022, Last Modified: 08 Feb 2026
- NeurIPS 2022 Accept
- Readers: Everyone
AutoText: An End-to-End AutoAI Framework for Text
Arunima Chaudhary, Alayt Issak, Kiran Kate, Yannis Katsis, Abel N. Valente, Dakuo Wang, Alexandre V. Evfimievski, Sairam Gurajada, Ban Kawas, A. Cristiano I. Malossi, Lucian Popa, Tejaswini Pedapati, Horst Samulowitz, Martin Wistuba, Yunyao Li
- 2021 (modified: 03 Sept 2021)
- AAAI 2021
- Readers: Everyone
Leveraging Abstract Meaning Representation for Knowledge Base Question Answering
Pavan Kapanipathi, Ibrahim Abdelaziz, Srinivas Ravishankar, Salim Roukos, Alexander G. Gray, Ramón Fernandez Astudillo, Maria Chang, Cristina Cornelio, Saswati Dana, Achille Fokoue, Dinesh Garg, Alfio Gliozzo, Sairam Gurajada, Hima Karanam, Naweed Khan, Dinesh Khandelwal, Young-Suk Lee, Yunyao Li, Francois P. S. Luus, Ndivhuwo Makondo et al. (10 additional authors not shown)
- 2021 (modified: 03 Sept 2021)
- ACL/IJCNLP (Findings) 2021
- Readers: Everyone
LNN-EL: A Neuro-Symbolic Approach to Short-text Entity Linking
Hang Jiang, Sairam Gurajada, Qiuhao Lu, Sumit Neelam, Lucian Popa, Prithviraj Sen, Yunyao Li, Alexander G. Gray
- 2021 (modified: 03 Sept 2021)
- CoRR 2021
- Readers: Everyone
LNN-EL: A Neuro-Symbolic Approach to Short-text Entity Linking
Hang Jiang, Sairam Gurajada, Qiuhao Lu, Sumit Neelam, Lucian Popa, Prithviraj Sen, Yunyao Li, Alexander G. Gray
- 2021 (modified: 03 Sept 2021)
- ACL/IJCNLP (1) 2021
- Readers: Everyone
Global Table Extractor (GTE): A Framework for Joint Table Identification and Cell Structure Recognition Using Visual Context
Xinyi Zheng, Douglas Burdick, Lucian Popa, Xu Zhong, Nancy Xin Ru Wang
- 2021 (modified: 01 Nov 2021)
- WACV 2021
- Readers: Everyone

View all 93 publications

Co-Authors

View all 162 co-authors