papers

Publications (24)

cs.CL2023

Binding Language Models in Symbolic Languages

Zhoujun Cheng, Tianbao Xie, Peng Shi +9

Though end-to-end neural approaches have recently been dominating NLP tasks in both performance and ease-of-use, they lack interpretability and robustness. We propose Binder, a tra…

cs.LG2025

Revisiting Reinforcement Learning for LLM Reasoning from A Cross-Domain Perspective

Zhoujun Cheng, Shibo Hao, Tianyang Liu +21

Reinforcement learning (RL) has emerged as a promising approach to improve large language model (LLM) reasoning, yet most open efforts focus narrowly on math and code, limiting our…

cs.LG2026

K2-V2: A 360-Open, Reasoning-Enhanced LLM

K2 Team, Zhengzhong Liu, Liping Tang +36

We introduce K2-V2, a 360-open LLM built from scratch as a superior base for reasoning adaptation, in addition to functions such as conversation and knowledge retrieval from genera…

cs.CL2025

MegaMath: Pushing the Limits of Open Math Corpora

Fan Zhou, Zengzhi Wang, Nikhil Ranjan +5

Mathematical reasoning is a cornerstone of human intelligence and a key benchmark for advanced capabilities in large language models (LLMs). However, the research community still l…

cs.CV2020

Human Correspondence Consensus for 3D Object Semantic Understanding

Yujing Lou, Yang You, Chengkun Li +5

Semantic understanding of 3D objects is crucial in many applications such as object manipulation. However, it is hard to give a universal definition of point-level semantics that e…

cs.CL2022

HiTab: A Hierarchical Table Dataset for Question Answering and Natural Language Generation

Zhoujun Cheng, Haoyu Dong, Zhiruo Wang +6

Tables are often created with hierarchies, but existing works on table reasoning mainly focus on flat tables and neglect hierarchical tables. Hierarchical tables challenge existing…