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Knowledge graphs (KGs) can provide structured scientific context to language models, but it remains unclear which graph facts actually shape the generated hypotheses. We study KG-guided hypothesis generation for battery materials across…

Artificial Intelligence · Computer Science 2026-05-29 Shashwat Sourav , Viktoriia Baibakova , Sanjay Das , Ran Elgedawy , Maria Mahbub , Emily Herron , Tirthankar Ghosal

Knowledge Measures (KMs) aim at quantifying the amount of knowledge/information that a knowledge base carries. On the other hand, Belief Change (BC) is the process of changing beliefs (in our case, in terms of contraction, expansion and…

Artificial Intelligence · Computer Science 2024-03-18 Umberto Straccia , Giovanni Casini

Knowledge augmentation has significantly enhanced the performance of Large Language Models (LLMs) in knowledge-intensive tasks. However, existing methods typically operate on the simplistic premise that model performance equates with…

Computation and Language · Computer Science 2026-02-16 Hao Chen , Ye He , Yuchun Fan , Yukun Yan , Zhenghao Liu , Qingfu Zhu , Maosong Sun , Wanxiang Che

The automatic extraction of information is important for populating large web knowledge bases such as Wikidata. The temporal version of that task, temporal knowledge graph extraction (TKGE), involves extracting temporally grounded facts…

Computation and Language · Computer Science 2026-01-21 Arthur Amalvy , Hen-Hsen Huang

Previous studies on continual knowledge learning (CKL) in large language models (LLMs) have predominantly focused on approaches such as regularization, architectural modifications, and rehearsal techniques to mitigate catastrophic…

Computation and Language · Computer Science 2025-02-06 Yeongbin Seo , Dongha Lee , Jinyoung Yeo

Knowledge-to-text generators often struggle to faithfully generate descriptions for the input facts: they may produce hallucinations that contradict the input, or describe facts not present in the input. To reduce hallucinations, we propose…

Computation and Language · Computer Science 2024-04-04 Yifu Qiu , Varun Embar , Shay B. Cohen , Benjamin Han

Continual Knowledge Graph Embedding (CKGE) aims to continually learn embeddings for new knowledge, i.e., entities and relations, while retaining previously acquired knowledge. Most existing CKGE methods mitigate catastrophic forgetting via…

Information Retrieval · Computer Science 2026-04-21 Jing Qi , Yuxiang Wang , Zhiyuan Yu , Xiaoliang Xu , Yuanshi Zheng , Tianxing Wu

In artificial intelligence (AI), knowledge is the information required by an intelligent system to accomplish tasks. While traditional knowledge bases use discrete, symbolic representations, detecting knowledge encoded in the continuous…

Computation and Language · Computer Science 2021-04-20 Gang Chen , Maosong Sun , Yang Liu

Large Language Models (LLMs) are increasingly used to support scientific research, but their knowledge of scientific advancements can quickly become outdated. We introduce ScienceMeter, a new framework for evaluating scientific knowledge…

Computation and Language · Computer Science 2025-07-01 Yike Wang , Shangbin Feng , Yulia Tsvetkov , Hannaneh Hajishirzi

Large Language Models (LLMs) often struggle with dynamically changing knowledge and handling unknown static information. Retrieval-Augmented Generation (RAG) is employed to tackle these challenges and has a significant impact on improving…

Computation and Language · Computer Science 2025-09-18 Zhen Zhang , Xinyu Wang , Yong Jiang , Zile Qiao , Zhuo Chen , Guangyu Li , Feiteng Mu , Mengting Hu , Pengjun Xie , Fei Huang

This study explores the generation and evaluation of synthetic fake news through fact based manipulations using large language models (LLMs). We introduce a novel methodology that extracts key facts from real articles, modifies them, and…

Computation and Language · Computer Science 2025-04-10 Abdul Sittar , Luka Golob , Mateja Smiljanic

Large Language models have demonstrated promising performance in research ideation across scientific domains. Hypothesis development, the process of generating a highly specific declarative statement connecting a research idea with…

Artificial Intelligence · Computer Science 2025-08-25 Rosni Vasu , Chandrayee Basu , Bhavana Dalvi Mishra , Cristina Sarasua , Peter Clark , Abraham Bernstein

Large language models suffer from knowledge staleness and lack of interpretability due to implicit knowledge storage across entangled network parameters, preventing targeted updates and reasoning transparency. We propose ExplicitLM, a novel…

Artificial Intelligence · Computer Science 2025-11-04 Chengzhang Yu , Zening Lu , Chenyang Zheng , Chiyue Wang , Yiming Zhang , Zhanpeng Jin

Knowledge Graph Embedding (KGE) techniques are crucial in learning compact representations of entities and relations within a knowledge graph, facilitating efficient reasoning and knowledge discovery. While existing methods typically focus…

Computation and Language · Computer Science 2024-10-29 Pengcheng Jiang , Lang Cao , Cao Xiao , Parminder Bhatia , Jimeng Sun , Jiawei Han

As language models (LMs) become integral to fields like healthcare, law, and journalism, their ability to differentiate between fact, belief, and knowledge is essential for reliable decision-making. Failure to grasp these distinctions can…

Computation and Language · Computer Science 2024-10-29 Mirac Suzgun , Tayfun Gur , Federico Bianchi , Daniel E. Ho , Thomas Icard , Dan Jurafsky , James Zou

Knowledge Editing (KE) enables the modification of outdated or incorrect information in large language models (LLMs). While existing KE methods can update isolated facts, they often fail to generalize these updates to multi-hop reasoning…

Computation and Language · Computer Science 2025-11-21 Yunzhi Yao , Jizhan Fang , Jia-Chen Gu , Ningyu Zhang , Shumin Deng , Huajun Chen , Nanyun Peng

Schema matching (SM) and entity matching (EM) tasks are crucial for data integration. While large language models (LLMs) have shown promising results in these tasks, they suffer from hallucinations and confusion about task instructions.…

Computation and Language · Computer Science 2025-02-18 Yongqin Xu , Huan Li , Ke Chen , Lidan Shou

Knowledge tracing (KT), wherein students' problem-solving histories are used to estimate their current levels of knowledge, has attracted significant interest from researchers. However, most existing KT models were developed with an…

Computation and Language · Computer Science 2024-06-19 Heeseok Jung , Jaesang Yoo , Yohaan Yoon , Yeonju Jang

While Large Language Models (LLMs) acquire vast knowledge during pre-training, they often lack domain-specific, new, or niche information. Continual pre-training (CPT) attempts to address this gap but suffers from catastrophic forgetting…

Computation and Language · Computer Science 2025-04-09 Oded Ovadia , Meni Brief , Rachel Lemberg , Eitam Sheetrit

The rapid progress of multimodal large language models (MLLMs) calls for more reliable evaluation protocols. Existing static benchmarks suffer from the potential risk of data contamination and saturation, leading to inflated or misleading…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Junzhe Zhang , Huixuan Zhang , Xiaojun Wan