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Related papers: KELM: Knowledge Enhanced Pre-Trained Language Repr…

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Pre-trained language representation models, such as BERT, capture a general language representation from large-scale corpora, but lack domain-specific knowledge. When reading a domain text, experts make inferences with relevant knowledge.…

Computation and Language · Computer Science 2019-09-18 Weijie Liu , Peng Zhou , Zhe Zhao , Zhiruo Wang , Qi Ju , Haotang Deng , Ping Wang

Humankind's understanding of the world is fundamentally linked to our perception and cognition, with \emph{human languages} serving as one of the major carriers of \emph{world knowledge}. In this vein, \emph{Large Language Models} (LLMs)…

Artificial Intelligence · Computer Science 2024-06-27 Huajun Chen

Language Models such as BERT have grown in popularity due to their ability to be pre-trained and perform robustly on a wide range of Natural Language Processing tasks. Often seen as an evolution over traditional word embedding techniques,…

Computation and Language · Computer Science 2022-06-30 Nimesh Bhana , Terence L. van Zyl

Pre-trained Language Models (PLMs) which are trained on large text corpus via self-supervised learning method, have yielded promising performance on various tasks in Natural Language Processing (NLP). However, though PLMs with huge…

Computation and Language · Computer Science 2023-08-31 Linmei Hu , Zeyi Liu , Ziwang Zhao , Lei Hou , Liqiang Nie , Juanzi Li

Although pre-trained language models (PLMs) have achieved state-of-the-art performance on various natural language processing (NLP) tasks, they are shown to be lacking in knowledge when dealing with knowledge driven tasks. Despite the many…

Computation and Language · Computer Science 2022-08-02 Qianglong Chen , Feng-Lin Li , Guohai Xu , Ming Yan , Ji Zhang , Yin Zhang

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…

Computation and Language · Computer Science 2024-11-26 Alexander Fichtl , Juraj Vladika , Georg Groh

Several recent efforts have been devoted to enhancing pre-trained language models (PLMs) by utilizing extra heterogeneous knowledge in knowledge graphs (KGs) and achieved consistent improvements on various knowledge-driven NLP tasks.…

Computation and Language · Computer Science 2023-04-06 Yusheng Su , Xu Han , Zhengyan Zhang , Peng Li , Zhiyuan Liu , Yankai Lin , Jie Zhou , Maosong Sun

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.…

Computation and Language · Computer Science 2025-04-10 Elan Markowitz , Krupa Galiya , Greg Ver Steeg , Aram Galstyan

Large-scale pre-trained language models (PLMs) such as BERT have recently achieved great success and become a milestone in natural language processing (NLP). It is now the consensus of the NLP community to adopt PLMs as the backbone for…

Computation and Language · Computer Science 2023-03-21 Nan Hu , Yike Wu , Guilin Qi , Dehai Min , Jiaoyan Chen , Jeff Z. Pan , Zafar Ali

Pretrained Language Models (PLM) have established a new paradigm through learning informative contextualized representations on large-scale text corpus. This new paradigm has revolutionized the entire field of natural language processing,…

Computation and Language · Computer Science 2021-10-19 Xiaokai Wei , Shen Wang , Dejiao Zhang , Parminder Bhatia , Andrew Arnold

Conversational recommender systems (CRS) utilize natural language interactions and dialogue history to infer user preferences and provide accurate recommendations. Due to the limited conversation context and background knowledge, existing…

Computation and Language · Computer Science 2024-05-02 Zhangchi Qiu , Ye Tao , Shirui Pan , Alan Wee-Chung Liew

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…

Computation and Language · Computer Science 2022-01-25 Xikun Zhang , Antoine Bosselut , Michihiro Yasunaga , Hongyu Ren , Percy Liang , Christopher D. Manning , Jure Leskovec

Large Language Models (LLMs) have demonstrated remarkable capabilities in text generation and understanding, yet their reliance on implicit, unstructured knowledge often leads to factual inaccuracies and limited interpretability. Knowledge…

Computation and Language · Computer Science 2025-06-17 Qinggang Zhang

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…

Information Retrieval · Computer Science 2024-07-29 DaiFeng Li , Fan Xu

Answering open-domain questions requires world knowledge about in-context entities. As pre-trained Language Models (LMs) lack the power to store all required knowledge, external knowledge sources, such as knowledge graphs, are often used to…

Computation and Language · Computer Science 2022-11-16 Ziniu Hu , Yichong Xu , Wenhao Yu , Shuohang Wang , Ziyi Yang , Chenguang Zhu , Kai-Wei Chang , Yizhou Sun

Existing technologies expand BERT from different perspectives, e.g. designing different pre-training tasks, different semantic granularities, and different model architectures. Few models consider expanding BERT from different text formats.…

Computation and Language · Computer Science 2024-03-22 Hongyin Zhu , Hao Peng , Zhiheng Lyu , Lei Hou , Juanzi Li , Jinghui Xiao

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…

Machine Learning · Computer Science 2025-05-13 Erica Coppolillo

Generating knowledge grounded responses in both goal and non-goal oriented dialogue systems is an important research challenge. Knowledge Graphs (KG) can be viewed as an abstraction of the real world, which can potentially facilitate a…

Computation and Language · Computer Science 2021-03-31 Debanjan Chaudhuri , Md Rashad Al Hasan Rony , Jens Lehmann

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…

Computation and Language · Computer Science 2024-06-21 Haochen Liu , Song Wang , Yaochen Zhu , Yushun Dong , Jundong Li

Personalized messaging plays an essential role in improving communication in areas such as healthcare, education, and professional engagement. This paper introduces a framework that uses the Knowledge Graph (KG) to dynamically rephrase…

Artificial Intelligence · Computer Science 2025-03-19 Rajeev Kumar , Harishankar Kumar , Kumari Shalini