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With the prevalence of social media, the connectedness between people has been greatly enhanced. Real-world relations between users on social media are often not limited to expressing positive ties such as friendship, trust, and agreement,…

社会与信息网络 · 计算机科学 2024-02-27 Zeyu Zhang , Peiyao Zhao , Xin Li , Jiamou Liu , Xinrui Zhang , Junjie Huang , Xiaofeng Zhu

Knowledge Graphs (KG) provide us with a structured, flexible, transparent, cross-system, and collaborative way of organizing our knowledge and data across various domains in society and industrial as well as scientific disciplines. KGs…

The large-scale development of large language models (LLMs) in medical contexts, such as diagnostic assistance and treatment recommendations, necessitates that these models possess accurate medical knowledge and deliver traceable…

人工智能 · 计算机科学 2025-08-12 Qiyuan Li , Haijiang Liu , Caicai Guo , Chao Gao , Deyu Chen , Meng Wang , Feng Gao , Frank van Harmelen , Jinguang Gu

Adversarial attacks on knowledge graph embeddings (KGE) aim to disrupt the model's ability of link prediction by removing or inserting triples. A recent black-box method has attempted to incorporate textual and structural information to…

计算与语言 · 计算机科学 2025-10-15 Ting Li , Yang Yang , Yipeng Yu , Liang Yao , Guoqing Chao , Ruifeng Xu

Integrating structured knowledge from Knowledge Graphs (KGs) into Large Language Models (LLMs) remains a key challenge for symbolic reasoning. Existing methods mainly rely on prompt engineering or fine-tuning, which lose structural fidelity…

机器学习 · 计算机科学 2025-05-13 Erica Coppolillo

Online health communities are a valuable source of information for patients and physicians. However, such user-generated resources are often plagued by inaccuracies and misinformation. In this work we propose a method for automatically…

人工智能 · 计算机科学 2017-05-09 Subhabrata Mukherjee , Gerhard Weikum , Cristian Danescu-Niculescu-Mizil

Combining multiple knowledge graphs (KGs) across linguistic boundaries is a persistent challenge due to semantic heterogeneity and the complexity of graph environments. We propose a framework for cross-lingual graph fusion, leveraging the…

计算与语言 · 计算机科学 2026-03-24 Kaung Myat Kyaw , Khush Agarwal , Jonathan Chan

Clinical diagnosis is time-consuming, requiring intensive interactions between patients and medical professionals. While large language models (LLMs) could ease the pre-diagnostic workload, their limited domain knowledge hinders effective…

计算与语言 · 计算机科学 2026-03-03 Liwen Sun , Xiang Yu , Ming Tan , Zhuohao Chen , Anqi Cheng , Ashutosh Joshi , Chenyan Xiong

In this paper we present an approach to reduce hallucinations in Large Language Models (LLMs) by incorporating Knowledge Graphs (KGs) as an additional modality. Our method involves transforming input text into a set of KG embeddings and…

计算与语言 · 计算机科学 2025-01-15 Viktoriia Chekalina , Anton Razzhigaev , Elizaveta Goncharova , Andrey Kuznetsov

The rapid advancement of deep generative models has significantly improved the realism of synthetic media, presenting both opportunities and security challenges. While deepfake technology has valuable applications in entertainment and…

机器学习 · 计算机科学 2025-06-09 Arnesh Batra , Anushk Kumar , Jashn Khemani , Arush Gumber , Arhan Jain , Somil Gupta

Sarcoidosis is a rare inflammatory disease characterized by the formation of granulomas in various organs. The disease presents diagnostic and treatment challenges due to its diverse manifestations and unpredictable nature. In this study,…

计算与语言 · 计算机科学 2024-10-29 Nan Miles Xi , Hong-Long Ji , Lin Wang

Rapid, fine-grained disaster damage assessment is essential for effective emergency response, yet remains challenging due to limited ground sensors and delays in official reporting. Social media provides a rich, real-time source of…

计算与语言 · 计算机科学 2025-06-05 Zihui Ma , Lingyao Li , Juan Li , Wenyue Hua , Jingxiao Liu , Qingyuan Feng , Yuki Miura

Large language models (LLMs) have recently emerged as powerful tools, finding many medical applications. LLMs' ability to coalesce vast amounts of information from many sources to generate a response-a process similar to that of a human…

Large language models (LLMs) have demonstrated significant potential in clinical decision support. Yet LLMs still suffer from hallucinations and lack fine-grained contextual medical knowledge, limiting their high-stake healthcare…

计算与语言 · 计算机科学 2025-04-22 Pengcheng Jiang , Cao Xiao , Minhao Jiang , Parminder Bhatia , Taha Kass-Hout , Jimeng Sun , Jiawei Han

The proliferation of Large Language Models (LLMs) in high-stakes applications such as medical (self-)diagnosis and preliminary triage raises significant ethical and practical concerns about the effectiveness, appropriateness, and possible…

In recent years, social media has emerged as a primary channel for users to promptly share feedback and issues during disasters and emergencies, playing a key role in crisis management. While significant progress has been made in collecting…

计算与语言 · 计算机科学 2025-04-18 Loris Belcastro , Cristian Cosentino , Fabrizio Marozzo , Merve Gündüz-Cüre , Sule Öztürk-Birim

Large Language Models (LLMs) might hallucinate facts, while curated Knowledge Graph (KGs) are typically factually reliable especially with domain-specific knowledge. Measuring the alignment between KGs and LLMs can effectively probe the…

人工智能 · 计算机科学 2024-08-02 Shangshang Zheng , He Bai , Yizhe Zhang , Yi Su , Xiaochuan Niu , Navdeep Jaitly

Large language models (LLMs) are transforming the way information is retrieved with vast amounts of knowledge being summarized and presented via natural language conversations. Yet, LLMs are prone to highlight the most frequently seen…

计算与语言 · 计算机科学 2024-02-20 Julien Delile , Srayanta Mukherjee , Anton Van Pamel , Leonid Zhukov

Large language models have become integral to question-answering applications despite their propensity for generating hallucinations and factually inaccurate content. Querying knowledge graphs to reduce hallucinations in LLM meets the…

计算与语言 · 计算机科学 2024-06-26 Tong Zhou , Yubo Chen , Kang Liu , Jun Zhao

The rapid expansion of medical literature presents growing challenges for structuring and integrating domain knowledge at scale. Knowledge Graphs (KGs) offer a promising solution by enabling efficient retrieval, automated reasoning, and…