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Healthcare artificial intelligence systems often degrade in performance when deployed across institutions, with documented performance drops and perpetuation of discriminatory patterns embedded in data. This brittleness comes, in part, from…

机器学习 · 计算机科学 2026-03-30 Munib Mesinovic , Max Buhlan , Tingting Zhu

While large language models have transformed how we interact with AI systems, they have a critical weakness: they confidently state false information that sounds entirely plausible. This "hallucination" problem has become a major barrier to…

人工智能 · 计算机科学 2025-11-18 Piyushkumar Patel

Patients have long sought health information online, and increasingly, they are turning to generative AI to answer their health-related queries. Given the high stakes of the medical domain, techniques like retrieval-augmented generation and…

计算与语言 · 计算机科学 2025-06-11 Lionel Wong , Ayman Ali , Raymond Xiong , Shannon Zeijang Shen , Yoon Kim , Monica Agrawal

Large language models (LLMs) have revolutionized natural language processing (NLP), particularly through Retrieval-Augmented Generation (RAG), which enhances LLM capabilities by integrating external knowledge. However, traditional RAG…

计算与语言 · 计算机科学 2025-10-23 Nengbo Wang , Xiaotian Han , Jagdip Singh , Jing Ma , Vipin Chaudhary

Causal reasoning has been an indispensable capability for humans and other intelligent animals to interact with the physical world. In this work, we propose to endow an artificial agent with the capability of causal reasoning for completing…

机器学习 · 计算机科学 2019-10-07 Suraj Nair , Yuke Zhu , Silvio Savarese , Li Fei-Fei

Causal inference holds immense value in fields such as healthcare, economics, and social sciences. However, traditional causal analysis workflows impose significant technical barriers, requiring researchers to possess dual backgrounds in…

人工智能 · 计算机科学 2026-02-13 Jiawei Zhu , Wei Chen , Ruichu Cai

In knowledge-intensive tasks, especially in high-stakes domains like medicine and law, it is critical not only to retrieve relevant information but also to provide causal reasoning and explainability. Large language models (LLMs) have…

人工智能 · 计算机科学 2025-03-18 Hang Luo , Jian Zhang , Chujun Li

This paper primarily focuses on the hallucinations caused due to AI language models(LLMs).LLMs have shown extraordinary Language understanding and generation capabilities .Still it has major a disadvantage hallucinations which give outputs…

计算与语言 · 计算机科学 2026-04-07 Sailesh kiran kurra , Shiek Ruksana , Vishal Borusu

Medical vision-language models (VLMs) achieve strong performance in diagnostic reporting and image-text alignment, yet their underlying reasoning mechanisms remain fundamentally correlational, exhibiting reliance on superficial statistical…

机器学习 · 计算机科学 2026-01-27 Weiqin Yang , Haowen Xue , Qingyi Peng , Hexuan Hu , Qian Huang , Tingbo Zhang

Many benchmarks for automated causal inference evaluate a system's performance based on a single numerical output, such as an Average Treatment Effect (ATE). This approach conflates two distinct steps in causal analysis: identification -…

人工智能 · 计算机科学 2026-05-15 Ayush Sawarni , Jiyuan Tan , Vasilis Syrgkanis

Intuitive learning is crucial for developing deep conceptual understanding, especially in STEM education, where students often struggle with abstract and interconnected concepts. Automatic question generation has become an effective…

人工智能 · 计算机科学 2026-01-13 Nicholas X. Wang , Neel V. Parpia , Aaryan D. Parikh , Aggelos K. Katsaggelos

Large language models (LLMs) have shown promise in medical question answering but often struggle with hallucinations and shallow reasoning, particularly in tasks requiring nuanced clinical understanding. Retrieval-augmented generation (RAG)…

计算与语言 · 计算机科学 2025-08-25 Ziyu Wang , Elahe Khatibi , Amir M. Rahmani

Despite the groundbreaking advancements made by large language models (LLMs), hallucination remains a critical bottleneck for their deployment in high-stakes domains. Existing classification-based methods mainly rely on static and passive…

机器学习 · 计算机科学 2026-05-12 Linggang Kong , Lei Wu , Yunlong Zhang , Xiaofeng Zhong , Zhen Wang , Yongjie Wang , Yao Pan

Causal graph recovery is traditionally done using statistical estimation-based methods or based on individual's knowledge about variables of interests. They often suffer from data collection biases and limitations of individuals' knowledge.…

计算与语言 · 计算机科学 2024-06-19 Yuzhe Zhang , Yipeng Zhang , Yidong Gan , Lina Yao , Chen Wang

The Retrieval-augmented generation (RAG) system based on Large language model (LLM) has made significant progress. It can effectively reduce factuality hallucinations, but faithfulness hallucinations still exist. Previous methods for…

计算与语言 · 计算机科学 2026-01-07 Jianpeng Hu , Yanzeng Li , Jialun Zhong , Wenfa Qi , Lei Zou

Retrieval-Augmented Generation (RAG) aims to reduce hallucination by grounding answers in retrieved evidence, yet hallucinated answers remain common even when relevant documents are available. Existing evaluations focus on answer-level or…

计算与语言 · 计算机科学 2026-05-21 Passant Elchafei , Monorama Swain , Shahed Masoudian , Markus Schedl

Causal questions inquire about causal relationships between different events or phenomena. They are important for a variety of use cases, including virtual assistants and search engines. However, many current approaches to causal question…

人工智能 · 计算机科学 2024-03-26 Lukas Blübaum , Stefan Heindorf

The rise of generative AI, has driven significant advancements in high-risk sectors like healthcare and finance. The Retrieval-Augmented Generation (RAG) architecture, combining language models (LLMs) with search engines, is particularly…

The increasing use of large language models (LLMs) in causal discovery as a substitute for human domain experts highlights the need for optimal model selection. This paper presents the first hallucination survey of popular LLMs for causal…

计算与语言 · 计算机科学 2024-11-21 Grace Sng , Yanming Zhang , Klaus Mueller

The causal relationships between biomarkers are essential for disease diagnosis and medical treatment planning. One notable application is Alzheimer's disease (AD) diagnosis, where certain biomarkers may influence the presence of others,…

信息检索 · 计算机科学 2025-06-13 Xiaofan Zhou , Liangjie Huang , Pinyang Cheng , Wenpen Yin , Rui Zhang , Wenrui Hao , Lu Cheng
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