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Large Language Models (LLMs) often produce hallucinated or unverifiable content, undermining their reliability in factual domains. This work investigates Reinforcement Learning with Verifiable Rewards (RLVR) as a training paradigm that…

Large Language Models (LLMs) have demonstrated impressive capabilities across various domains, prompting a surge in their practical applications. However, concerns have arisen regarding the trustworthiness of LLMs outputs, particularly in…

Computation and Language · Computer Science 2024-05-08 Danna Zheng , Danyang Liu , Mirella Lapata , Jeff Z. Pan

Multimodal LLMs (MLLMs) are the natural extension of large language models to handle multimodal inputs, combining text and image data. They have recently garnered attention due to their capability to address complex tasks involving both…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Federico Cocchi , Nicholas Moratelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Recent advances of Reinforcement Learning (RL) have highlighted its potential in complex reasoning tasks, yet effective training often relies on external supervision, which limits the broader applicability. In this work, we propose a novel…

Artificial Intelligence · Computer Science 2025-06-11 Kongcheng Zhang , Qi Yao , Shunyu Liu , Yingjie Wang , Baisheng Lai , Jieping Ye , Mingli Song , Dacheng Tao

Recently, Large Language Models (LLMs) have witnessed remarkable performance as zero-shot task planners for robotic manipulation tasks. However, the open-loop nature of previous works makes LLM-based planning error-prone and fragile. On the…

Robotics · Computer Science 2025-03-18 Zhi Zheng , Qian Feng , Hang Li , Alois Knoll , Jianxiang Feng

Multimodal Large Language Models (MLLMs) have recently demonstrated impressive capabilities in multimodal understanding, reasoning, and interaction. However, existing MLLMs prevalently suffer from serious hallucination problems, generating…

Computation and Language · Computer Science 2024-03-11 Tianyu Yu , Yuan Yao , Haoye Zhang , Taiwen He , Yifeng Han , Ganqu Cui , Jinyi Hu , Zhiyuan Liu , Hai-Tao Zheng , Maosong Sun , Tat-Seng Chua

Through reinforcement learning with verifiable rewards (RLVR), large language models have achieved substantial progress in domains with easily verifiable outcomes, such as mathematics and coding. However, when applied to more complex tasks…

Computation and Language · Computer Science 2025-10-01 Qiyao Ma , Yunsheng Shi , Hongtao Tian , Chao Wang , Weiming Chang , Ting Yao

Large language models (LLMs) excel at logical and algorithmic reasoning, yet their emotional intelligence (EQ) still lags far behind their cognitive prowess. While reinforcement learning from verifiable rewards (RLVR) has advanced in other…

Software security vulnerabilities allow attackers to perform malicious activities to disrupt software operations. Recent Transformer-based language models have significantly advanced vulnerability detection, surpassing the capabilities of…

Cryptography and Security · Computer Science 2024-06-11 Aidan Z. H. Yang , Haoye Tian , He Ye , Ruben Martins , Claire Le Goues

The success of large language models (LLMs) can be attributed in part to their ability to efficiently store factual knowledge as key-value mappings within their MLP parameters. Recent work has proposed explicit weight constructions to build…

Machine Learning · Computer Science 2025-12-02 Owen Dugan , Roberto Garcia , Ronny Junkins , Jerry Liu , Dylan Zinsley , Sabri Eyuboglu , Atri Rudra , Chris Ré

Fine-tuning Large Language Models (LLMs) typically relies on large quantities of high-quality annotated data, or questions with well-defined ground truth answers in the case of Reinforcement Learning with Verifiable Rewards (RLVR). While…

Artificial Intelligence · Computer Science 2026-04-21 Justin Bauer , Thomas Walshe , Derek Pham , Harit Vishwakarma , Armin Parchami , Frederic Sala , Paroma Varma

Mechanistic approaches to deception in large language models (LLMs) often rely on "lie detectors", that is, truth probes trained to identify internal representations of model outputs as false. The lie detector approach to LLM deception…

Computation and Language · Computer Science 2026-03-12 Tom-Felix Berger

Hallucinations in LLMs pose a significant concern to their safe deployment in real-world applications. Recent approaches have leveraged the latent space of LLMs for hallucination detection, but their embeddings, optimized for linguistic…

Machine Learning · Computer Science 2025-05-23 Seongheon Park , Xuefeng Du , Min-Hsuan Yeh , Haobo Wang , Yixuan Li

Dominant accuracy evaluation might reward unwarranted guessing of Large Language Models, and it might not be applicable to novel tasks for model validation without ground-truth (gt) annotation. Based on basic logic principle, we propose a…

Artificial Intelligence · Computer Science 2026-05-08 Ying Gu , Mei Chee Leong , Hui Li Tan , Shangbo Mao , Liyuan Li , Nancy Chen

Large language models (LLMs) can "lie", which we define as outputting false statements despite "knowing" the truth in a demonstrable sense. LLMs might "lie", for example, when instructed to output misinformation. Here, we develop a simple…

Computation and Language · Computer Science 2023-09-28 Lorenzo Pacchiardi , Alex J. Chan , Sören Mindermann , Ilan Moscovitz , Alexa Y. Pan , Yarin Gal , Owain Evans , Jan Brauner

Large Language Models (LLMs) have revolutionised natural language processing, exhibiting impressive human-like capabilities. In particular, LLMs are capable of "lying", knowingly outputting false statements. Hence, it is of interest and…

Computation and Language · Computer Science 2024-10-22 Lennart Bürger , Fred A. Hamprecht , Boaz Nadler

As Large Language Models (LLMs) receive increasing attention and are being deployed across various domains, their potential risks, including generating harmful or biased content, producing unsupported claims, and exhibiting vulnerabilities…

Computation and Language · Computer Science 2026-04-20 Wai Man Si , Mingjie Li , Michael Backes , Yang Zhang

In today's visually dominated social media landscape, predicting the perceived credibility of visual content and understanding what drives human judgment are crucial for countering misinformation. However, these tasks are challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-16 Yilang Peng , Sijia Qian , Yingdan Lu , Cuihua Shen

Recent advancements in large audio language models (LALMs) have demonstrated impressive results and promising prospects in universal understanding and reasoning across speech, music, and general sound. However, these models still lack the…

Large Language Models (LLMs) can generate plausible free text self-explanations to justify their answers. However, these natural language explanations may not accurately reflect the model's actual reasoning process, pinpointing a lack of…

Computation and Language · Computer Science 2026-01-30 Milan Bhan , Jean-Noel Vittaut , Nicolas Chesneau , Sarath Chandar , Marie-Jeanne Lesot