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Large language models (LLMs) frequently generate hallucinations-content that deviates from factual accuracy or provided context-posing challenges for diagnosis due to the complex interplay of underlying causes. This paper introduces a…

计算与语言 · 计算机科学 2025-04-18 Yiyou Sun , Yu Gai , Lijie Chen , Abhilasha Ravichander , Yejin Choi , Dawn Song

Using Large Language Models (LLMs) to process graph-structured data is an active research area, yet current state-of-the-art approaches typically rely on multi-step pipelines with Graph Neural Network (GNN) encoders that compress rich…

机器学习 · 计算机科学 2026-05-12 Dario Vajda

In order to make more complex number-based strings from topological coding for defending against the intelligent attacks equipped with quantum computing and providing effective protection technology for the age of quantum computing, we will…

密码学与安全 · 计算机科学 2024-04-18 Bing Yao , Fei Ma

Molecular graphs generally contain subgraphs (known as groups) that are identifiable and significant in composition, functionality, geometry, etc. Flat latent representations (node embeddings or graph embeddings) fail to represent, and…

机器学习 · 计算机科学 2019-04-05 Daniel T. Chang

Hallucinations in large language models (LLMs) present a growing challenge across real-world applications, from healthcare to law, where factual reliability is essential. Despite advances in alignment and instruction tuning, LLMs can still…

计算与语言 · 计算机科学 2025-05-02 Makoto Sato

Hallucinations in large language models (LLMs), plausible but factually inaccurate text, are often viewed as undesirable. However, recent work suggests that such outputs may hold creative potential. In this paper, we investigate whether…

计算与语言 · 计算机科学 2025-08-25 Shuzhou Yuan , Zhan Qu , Ashish Yashwanth Kangen , Michael Färber

Molecular Relational Learning (MRL), aiming to understand interactions between molecular pairs, plays a pivotal role in advancing biochemical research. Recently, the adoption of large language models (LLMs), known for their vast knowledge…

定量方法 · 定量生物学 2024-06-11 Junfeng Fang , Shuai Zhang , Chang Wu , Zhengyi Yang , Zhiyuan Liu , Sihang Li , Kun Wang , Wenjie Du , Xiang Wang

In precision medicine, quantitative multi-omic features, topological context, and textual biological knowledge play vital roles in identifying disease-critical signaling pathways and targets. Existing pipelines capture only part of…

人工智能 · 计算机科学 2025-12-17 Heming Zhang , Di Huang , Wenyu Li , Michael Province , Yixin Chen , Philip Payne , Fuhai Li

High-stakes domains like cyber operations need responsible and trustworthy AI methods. While large language models (LLMs) are becoming increasingly popular in these domains, they still suffer from hallucinations. This research paper…

人机交互 · 计算机科学 2025-04-18 Harry Li , Gabriel Appleby , Kenneth Alperin , Steven R Gomez , Ashley Suh

Transformer architectures have achieved state-of-the-art performance across natural language tasks, yet they fundamentally misrepresent the hierarchical nature of human language by processing text as flat token sequences. This results in…

计算与语言 · 计算机科学 2025-09-26 Ayan Sar , Sampurna Roy , Kanav Gupta , Anurag Kaushish , Tanupriya Choudhury , Abhijit Kumar

Large Language Models have rapidly advanced in their ability to interpret and generate natural language. In enterprise settings, they are frequently augmented with closed-source domain knowledge to deliver more contextually informed…

计算与语言 · 计算机科学 2025-12-03 Tanmay Agrawal

Hierarchical text classification (HTC) depends on taxonomies that organize labels into structured hierarchies. However, many real-world taxonomies introduce ambiguities, such as identical leaf names under similar parent nodes, which prevent…

计算与语言 · 计算机科学 2026-01-27 Jonas Golde , Nicolaas Jedema , Ravi Krishnan , Phong Le

Graph contrastive learning (GCL) aims to learn discriminative semantic invariance by contrasting different views of the same graph that share critical topological patterns. However, existing GCL approaches with structural augmentations…

机器学习 · 计算机科学 2025-12-03 Qirui Ji , Bin Qin , Yifan Jin , Yunze Zhao , Chuxiong Sun , Changwen Zheng , Jianwen Cao , Jiangmeng Li

Graph problems are fundamentally challenging for large language models (LLMs). While LLMs excel at processing unstructured text, graph tasks require reasoning over explicit structure, permutation invariance, and computationally complex…

机器学习 · 计算机科学 2026-04-23 Angelo Zangari , Peyman Baghershahi , Sourav Medya

To mitigate hallucinations in large language models (LLMs), we propose a framework that focuses on errors induced by prompts. Our method extends a chain-style knowledge distillation approach by incorporating a programmable module that…

计算与语言 · 计算机科学 2026-01-08 Jinbo Hao , Kai Yang , Qingzhen Su , Yifan Li , Chao Jiang

Large language models (LLMs) are prone to hallucinations, i.e., nonsensical, unfaithful, and undesirable text. Users tend to overrely on LLMs and corresponding hallucinations which can lead to misinterpretations and errors. To tackle the…

The key to the text classification task is language representation and important information extraction, and there are many related studies. In recent years, the research on graph neural network (GNN) in text classification has gradually…

计算与语言 · 计算机科学 2022-09-16 Shuai Hua , Xinxin Li , Yunpeng Jing , Qunfeng Liu

Attention mechanisms in sequence to sequence models have shown great ability and wonderful performance in various natural language processing (NLP) tasks, such as sentence embedding, text generation, machine translation, machine reading…

计算与语言 · 计算机科学 2018-08-14 Zehao Dou , Zhihua Zhang

Existing Large Vision-Language Models (LVLMs) exhibit insufficient visual attention, leading to hallucinations. To alleviate this problem, some previous studies adjust and amplify visual attention. These methods present a limitation that…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Jingyi Wang , Fei Li , Rujie Liu

Large language models (LLMs) struggle on processing complicated observations in interactive decision making tasks. To alleviate this issue, we propose a simple hierarchical prompting approach. Diverging from previous prompting approaches…

计算与语言 · 计算机科学 2023-10-31 Abishek Sridhar , Robert Lo , Frank F. Xu , Hao Zhu , Shuyan Zhou