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Large language models like GPT-4, Gemini, and Claude have transformed natural language processing (NLP) tasks such as question answering, dialogue generation, summarization, and so forth; yet their susceptibility to hallucination stands as…

计算与语言 · 计算机科学 2025-07-21 Nur A Zarin Nishat , Andrea Coletta , Luigi Bellomarini , Kossi Amouzouvi , Jens Lehmann , Sahar Vahdati

Answering complex questions about textual narratives requires reasoning over both stated context and the world knowledge that underlies it. However, pretrained language models (LM), the foundation of most modern QA systems, do not robustly…

Knowledge-enhanced language models (KELMs) have emerged as promising tools to bridge the gap between large-scale language models and domain-specific knowledge. KELMs can achieve higher factual accuracy and mitigate hallucinations by…

计算与语言 · 计算机科学 2024-11-26 Alexander Fichtl , Juraj Vladika , Georg Groh

Graph convolutional networks (GCNs) -- which are effective in modeling graph structures -- have been increasingly popular in knowledge graph completion (KGC). GCN-based KGC models first use GCNs to generate expressive entity representations…

人工智能 · 计算机科学 2022-02-14 Zhanqiu Zhang , Jie Wang , Jieping Ye , Feng Wu

When we integrate factual knowledge from knowledge graphs (KGs) into large language models (LLMs) to enhance their performance, the cost of injection through training increases with the scale of the models. Consequently, there is…

计算与语言 · 计算机科学 2025-01-24 Xinbang Dai , Yuncheng Hua , Tongtong Wu , Yang Sheng , Qiu Ji , Guilin Qi

Enriching existing medical terminology knowledge bases (KBs) is an important and never-ending work for clinical research because new terminology alias may be continually added and standard terminologies may be newly renamed. In this paper,…

计算与语言 · 计算机科学 2019-09-04 Jiaying Zhang , Zhixing Zhang , Huanhuan Zhang , Zhiyuan Ma , Yangming Zhou , Ping He

Knowledge graphs have emerged as a popular method for injecting up-to-date, factual knowledge into large language models (LLMs). This is typically achieved by converting the knowledge graph into text that the LLM can process in context.…

计算与语言 · 计算机科学 2025-04-10 Elan Markowitz , Krupa Galiya , Greg Ver Steeg , Aram Galstyan

Recent advancements have witnessed the ascension of Large Language Models (LLMs), endowed with prodigious linguistic capabilities, albeit marred by shortcomings including factual inconsistencies and opacity. Conversely, Knowledge Graphs…

信息检索 · 计算机科学 2024-07-29 DaiFeng Li , Fan Xu

Continual learning in computer vision faces the critical challenge of catastrophic forgetting, where models struggle to retain prior knowledge while adapting to new tasks. Although recent studies have attempted to leverage the…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Xusheng Cao , Haori Lu , Linlan Huang , Fei Yang , Xialei Liu , Ming-Ming Cheng

Knowledge graphs (KGs) are the cornerstone of the semantic web, offering up-to-date representations of real-world entities and relations. Yet large language models (LLMs) remain largely static after pre-training, causing their internal…

计算与语言 · 计算机科学 2026-03-24 Songlin Zhai , Guilin Qi , Yue Wang , Yuan Meng

Can language models (LM) ground question-answering (QA) tasks in the knowledge base via inherent relational reasoning ability? While previous models that use only LMs have seen some success on many QA tasks, more recent methods include…

计算与语言 · 计算机科学 2023-06-07 Yujie Lu , Siqi Ouyang , Kairui Zhou

In recent years, efforts have been made to use text information for better user profiling and item characterization in recommendations. However, text information can sometimes be of low quality, hindering its effectiveness for real-world…

人工智能 · 计算机科学 2024-02-15 Yingpeng Du , Ziyan Wang , Zhu Sun , Haoyan Chua , Hongzhi Liu , Zhonghai Wu , Yining Ma , Jie Zhang , Youchen Sun

We propose knowledge internalization (KI), which aims to complement the lexical knowledge into neural dialog models. Instead of further conditioning the knowledge-grounded dialog (KGD) models on externally retrieved knowledge, we seek to…

计算与语言 · 计算机科学 2022-05-05 Zhiyong Wu , Wei Bi , Xiang Li , Lingpeng Kong , Ben Kao

The integration of Large Language Models (LLMs) with Graph Representation Learning (GRL) marks a significant evolution in analyzing complex data structures. This collaboration harnesses the sophisticated linguistic capabilities of LLMs to…

机器学习 · 计算机科学 2024-02-12 Qiheng Mao , Zemin Liu , Chenghao Liu , Zhuo Li , Jianling Sun

Knowledge Graph embedding provides a versatile technique for representing knowledge. These techniques can be used in a variety of applications such as completion of knowledge graph to predict missing information, recommender systems,…

信息检索 · 计算机科学 2021-07-19 Shivani Choudhary , Tarun Luthra , Ashima Mittal , Rajat Singh

In the swiftly advancing realm of communication technologies, Semantic Communication (SemCom), which emphasizes knowledge understanding and processing, has emerged as a hot topic. By integrating artificial intelligence technologies, SemCom…

计算与语言 · 计算机科学 2024-02-07 Fei Ni , Bingyan Wang , Rongpeng Li , Zhifeng Zhao , Honggang Zhang

Despite their competitive performance on knowledge-intensive tasks, large language models (LLMs) still have limitations in memorizing all world knowledge especially long tail knowledge. In this paper, we study the KG-augmented language…

计算与语言 · 计算机科学 2023-09-22 Yike Wu , Nan Hu , Sheng Bi , Guilin Qi , Jie Ren , Anhuan Xie , Wei Song

Pretrained language models have excelled at many NLP tasks recently; however, their social intelligence is still unsatisfactory. To enable this, machines need to have a more general understanding of our complicated world and develop the…

计算与语言 · 计算机科学 2021-05-13 Ting-Yun Chang , Yang Liu , Karthik Gopalakrishnan , Behnam Hedayatnia , Pei Zhou , Dilek Hakkani-Tur

Large Language Models (LLMs) have shown unprecedented performance in various real-world applications. However, they are known to generate factually inaccurate outputs, a.k.a. the hallucination problem. In recent years, incorporating…

计算与语言 · 计算机科学 2024-06-21 Haochen Liu , Song Wang , Yaochen Zhu , Yushun Dong , Jundong Li

Contextualized entity representations learned by state-of-the-art transformer-based language models (TLMs) like BERT, GPT, T5, etc., leverage the attention mechanism to learn the data context from training data corpus. However, these models…

计算与语言 · 计算机科学 2021-09-06 Keyur Faldu , Amit Sheth , Prashant Kikani , Hemang Akbari