Muhammad Khalifa

47 papers A* 4A 1C 1Journal 30Unranked 11

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Countdown-Code: A Testbed for Studying The Emergence and Generalization of Reward Hacking in RLVR. CoRR Muhammad Khalifa, Zohaib Khan, Omer Tafveez, Hao Peng, Lu Wang
2026	J	`jnl`	Gaming the Judge: Unfaithful Chain-of-Thought Can Undermine Agent Evaluation. CoRR Muhammad Khalifa, Lajanugen Logeswaran, Jaekyeom Kim, Sungryull Sohn, Yunxiang Zhang, Moontae Lee, Hao Peng, Lu Wang, Honglak Lee
2026	J	`jnl`	Process Reward Models That Think. Trans. Mach. Learn. Res. Muhammad Khalifa, Rishabh Agarwal, Lajanugen Logeswaran, Jaekyeom Kim, Hao Peng, Moontae Lee, Honglak Lee, Lu Wang
2025	—	`conf`	FACTCHECKMATE: Preemptively Detecting and Mitigating Hallucinations in LMs. EMNLP (Findings) Deema Alnuhait, Neeraja Kirtane, Muhammad Khalifa, Hao Peng
2025	J	`jnl`	Logit Arithmetic Elicits Long Reasoning Capabilities Without Training. CoRR Yunxiang Zhang, Muhammad Khalifa, Lechen Zhang, Xin Liu, Ayoung Lee, Xinliang Frederick Zhang, Farima Fatahi Bayat, Lu Wang
2025	J	`jnl`	Logit Arithmetic Elicits Long Reasoning Capabilities Without Training. CoRR Yunxiang Zhang, Muhammad Khalifa, Lechen Zhang, Xin Liu, Ayoung Lee, Xinliang Frederick Zhang, Farima Fatahi Bayat, Lu Wang
2025	J	`jnl`	MLRC-Bench: Can Language Agents Solve Machine Learning Research Challenges? CoRR Yunxiang Zhang, Muhammad Khalifa, Shitanshu Bhushan, Grant D. Murphy, Lajanugen Logeswaran, Jaekyeom Kim, Moontae Lee, Honglak Lee, Lu Wang
2025	—	`conf`	On Many-Shot In-Context Learning for Long-Context Evaluation. ACL (1) Kaijian Zou, Muhammad Khalifa, Lu Wang
2025	J	`jnl`	Process Reward Models That Think. CoRR Muhammad Khalifa, Rishabh Agarwal, Lajanugen Logeswaran, Jaekyeom Kim, Hao Peng, Moontae Lee, Honglak Lee, Lu Wang
2024	J	`jnl`	FactCheckmate: Preemptively Detecting and Mitigating Hallucinations in LMs. CoRR Deema Alnuhait, Neeraja Kirtane, Muhammad Khalifa, Hao Peng
2024	—	`conf`	Has It All Been Solved? Open NLP Research Questions Not Solved by Large Language Models. LREC/COLING Oana Ignat, Zhijing Jin, Artem Abzaliev, Laura Biester, Santiago Castro, Naihao Deng, Xinyi Gao, Aylin Gunal, Jacky He, Ashkan Kazemi, Muhammad Khalifa, Namho Koh, Andrew Lee, Siyang Liu, Do June Min, Shinka Mori, Joan Nwatu, Verónica Pérez-Rosas, Siqi Shen, Zekun Wang, Winston Wu, Rada Mihalcea
2024	J	`jnl`	If You Can't Use Them, Recycle Them: Optimizing Merging at Scale Mitigates Performance Tradeoffs. CoRR Muhammad Khalifa, Yi Chern Tan, Arash Ahmadian, Tom Hosking, Honglak Lee, Lu Wang, Ahmet Üstün, Tom Sherborne, Matthias Gallé
2024	A*	`conf`	Learning to Reason via Program Generation, Emulation, and Search. NeurIPS Nathaniel Weir, Muhammad Khalifa, Linlu Qiu, Orion Weller, Peter Clark
2024	J	`jnl`	Learning to Reason via Program Generation, Emulation, and Search. CoRR Nathaniel Weir, Muhammad Khalifa, Linlu Qiu, Orion Weller, Peter Clark
2024	A*	`conf`	LitCab: Lightweight Language Model Calibration over Short- and Long-form Responses. ICLR Xin Liu, Muhammad Khalifa, Lu Wang
2024	J	`jnl`	Retrieval or Global Context Understanding? On Many-Shot In-Context Learning for Long-Context Evaluation. CoRR Kaijian Zou, Muhammad Khalifa, Lu Wang
2024	—	`conf`	Small Language Models Need Strong Verifiers to Self-Correct Reasoning. ACL (Findings) Yunxiang Zhang, Muhammad Khalifa, Lajanugen Logeswaran, Jaekyeom Kim, Moontae Lee, Honglak Lee, Lu Wang
2024	J	`jnl`	Small Language Models Need Strong Verifiers to Self-Correct Reasoning. CoRR Yunxiang Zhang, Muhammad Khalifa, Lajanugen Logeswaran, Jaekyeom Kim, Moontae Lee, Honglak Lee, Lu Wang
2024	J	`jnl`	Source-Aware Training Enables Knowledge Attribution in Language Models. CoRR Muhammad Khalifa, David Wadden, Emma Strubell, Honglak Lee, Lu Wang, Iz Beltagy, Hao Peng
2023	J	`jnl`	A PhD Student's Perspective on Research in NLP in the Era of Very Large Language Models. CoRR Oana Ignat, Zhijing Jin, Artem Abzaliev, Laura Biester, Santiago Castro, Naihao Deng, Xinyi Gao, Aylin Gunal, Jacky He, Ashkan Kazemi, Muhammad Khalifa, Namho Koh, Andrew Lee, Siyang Liu, Do June Min, Shinka Mori, Joan Nwatu, Verónica Pérez-Rosas, Siqi Shen, Zekun Wang, Winston Wu, Rada Mihalcea
2023	—	`conf`	BOLT: Fast Energy-based Controlled Text Generation with Tunable Biases. ACL (2) Xin Liu, Muhammad Khalifa, Lu Wang
2023	J	`jnl`	BOLT: Fast Energy-based Controlled Text Generation with Tunable Biases. CoRR Xin Liu, Muhammad Khalifa, Lu Wang
2023	—	`conf`	Contrastive Training Improves Zero-Shot Classification of Semi-structured Documents. ACL (Findings) Muhammad Khalifa, Yogarshi Vyas, Shuai Wang, Graham Horwood, Sunil Mallya, Miguel Ballesteros
2023	J	`jnl`	Discriminator-Guided Multi-step Reasoning with Language Models. CoRR Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2023	J	`jnl`	Exploring Demonstration Ensembling for In-context Learning. CoRR Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2023	—	`conf`	Few-shot Reranking for Multi-hop QA via Language Model Prompting. ACL (1) Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2023	—	`conf`	GRACE: Discriminator-Guided Chain-of-Thought Reasoning. EMNLP (Findings) Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2023	J	`jnl`	LitCab: Lightweight Calibration of Language Models on Outputs of Varied Lengths. CoRR Xin Liu, Muhammad Khalifa, Lu Wang
2023	A*	`conf`	Merging Generated and Retrieved Knowledge for Open-Domain QA. EMNLP Yunxiang Zhang, Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2023	J	`jnl`	Merging Generated and Retrieved Knowledge for Open-Domain QA. CoRR Yunxiang Zhang, Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2022	—	`conf`	Book Success Prediction with Pretrained Sentence Embeddings and Readability Scores. HICSS Muhammad Khalifa, Aminul Islam
2022	J	`jnl`	Contrastive Training Improves Zero-Shot Classification of Semi-structured Documents. CoRR Muhammad Khalifa, Yogarshi Vyas, Shuai Wang, Graham Horwood, Sunil Mallya, Miguel Ballesteros
2022	J	`jnl`	LEPUS: Prompt-based Unsupervised Multi-hop Reranking for Open-domain QA. CoRR Muhammad Khalifa, Lajanugen Logeswaran, Moontae Lee, Honglak Lee, Lu Wang
2022	J	`jnl`	Novel Chapter Abstractive Summarization using Spinal Tree Aware Sub-Sentential Content Selection. CoRR Hardy Hardy, Miguel Ballesteros, Faisal Ladhak, Muhammad Khalifa, Vittorio Castelli, Kathleen R. McKeown
2021	—	`conf`	A Bag of Tricks for Dialogue Summarization. EMNLP (1) Muhammad Khalifa, Miguel Ballesteros, Kathleen R. McKeown
2021	J	`jnl`	A Bag of Tricks for Dialogue Summarization. CoRR Muhammad Khalifa, Miguel Ballesteros, Kathleen R. McKeown
2021	A*	`conf`	A Distributional Approach to Controlled Text Generation. ICLR Muhammad Khalifa, Hady Elsahar, Marc Dymetman
2021	C	`conf`	Extracting Synonyms from Bilingual Dictionaries. GWC Mustafa Jarrar, Eman Karajah, Muhammad Khalifa, Khaled Shaalan
2021	A	`conf`	Self-Training Pre-Trained Language Models for Zero- and Few-Shot Multi-Dialectal Arabic Sequence Labeling. EACL Muhammad Khalifa, Muhammad Abdul-Mageed, Khaled Shaalan
2021	J	`jnl`	Self-Training Pre-Trained Language Models for Zero- and Few-Shot Multi-Dialectal Arabic Sequence Labeling. CoRR Muhammad Khalifa, Muhammad Abdul-Mageed, Khaled Shaalan
2021	J	`jnl`	Zero-Resource Multi-Dialectal Arabic Natural Language Understanding. CoRR Muhammad Khalifa, Hesham Hassan, Aly Fahmy
2020	J	`jnl`	A Distributional Approach to Controlled Text Generation. CoRR Muhammad Khalifa, Hady Elsahar, Marc Dymetman
2020	J	`jnl`	Extracting Synonyms from Bilingual Dictionaries. CoRR Mustafa Jarrar, Eman Karajah, Muhammad Khalifa, Khaled Shaalan
2020	J	`jnl`	Will Your Forthcoming Book be Successful? Predicting Book Success with CNN and Readability Scores. CoRR Muhammad Khalifa, Aminul Islam
2019	J	`jnl`	Character convolutions for Arabic Named Entity Recognition with Long Short-Term Memory Networks. Comput. Speech Lang. Muhammad Khalifa, Khaled Shaalan
2019	—	`conf`	Ensemble Learning for Irony Detection in Arabic Tweets. FIRE (Working Notes) Muhammad Khalifa, Noura Hussein
2019	J	`jnl`	Relative effects of climate variation and human activities on grassland dynamics in Africa from 2000 to 2015. Ecol. Informatics Linjing Tong, Yangyang Liu, Qian Wang, Zhaoying Zhang, Jianlong Li, Zhengguo Sun, Muhammad Khalifa