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Evaluating the open-form textual responses generated by Large Language Models (LLMs) typically requires measuring the semantic similarity of the response to a (human generated) reference. However, there is evidence that current semantic…

Artificial Intelligence · Computer Science 2025-11-26 Qiyao Wei , Edward Morrell , Lea Goetz , Mihaela van der Schaar

A backbone of knowledge graphs are their class membership relations, which assign entities to a given class. As part of the knowledge engineering process, we propose a new method for evaluating the quality of these relations by processing…

Computation and Language · Computer Science 2024-04-29 Bradley P. Allen , Paul T. Groth

Data augmentation is necessary for graph representation learning due to the scarcity and noise present in graph data. Most of the existing augmentation methods overlook the context information inherited from the dataset as they rely solely…

Machine Learning · Computer Science 2025-02-20 Yushi Feng , Tsai Hor Chan , Guosheng Yin , Lequan Yu

To tackle the problem of domain-specific knowledge scarcity within large language models (LLMs), knowledge graph-retrievalaugmented method has been proven to be an effective and efficient technique for knowledge infusion. However, existing…

Computation and Language · Computer Science 2024-06-07 Zhouyu Jiang , Ling Zhong , Mengshu Sun , Jun Xu , Rui Sun , Hui Cai , Shuhan Luo , Zhiqiang Zhang

Knowledge graphs (KGs) are useful for analyzing social structures, community dynamics, institutional memberships, and other complex relationships across domains from sociology to public health. While recent advances in large language models…

Computation and Language · Computer Science 2025-06-17 Erica Cai , Brendan O'Connor

Relational learning is an essential task in the domain of knowledge representation, particularly in knowledge graph completion (KGC). While relational learning in traditional single-modal settings has been extensively studied, exploring it…

Machine Learning · Computer Science 2024-12-05 Rui Cai , Shichao Pei , Xiangliang Zhang

Electronic health records (EHRs) enable strong clinical prediction, but explanations are often coarse and hard to use for patient-level decisions. We propose a knowledge graph (KG)-guided chain-of-thought (CoT) framework for visit-level…

Artificial Intelligence · Computer Science 2026-03-03 Ruiyu Wang , Tuan Vinh , Ran Xu , Yuyin Zhou , Jiaying Lu , Carl Yang , Francisco Pasquel

Embedding based Knowledge Graph (KG) Completion has gained much attention over the past few years. Most of the current algorithms consider a KG as a multidirectional labeled graph and lack the ability to capture the semantics underlying the…

Artificial Intelligence · Computer Science 2024-07-12 Mehwish Alam , Frank van Harmelen , Maribel Acosta

Building high-quality knowledge graphs (KGs) from diverse sources requires combining methods for information extraction, data transformation, ontology mapping, entity matching, and data fusion. Numerous methods and tools exist for each of…

Artificial Intelligence · Computer Science 2025-11-25 Marvin Hofer , Erhard Rahm

The increasing amount of published scholarly articles, exceeding 2.5 million yearly, raises the challenge for researchers in following scientific progress. Integrating the contributions from scholarly articles into a novel type of cognitive…

Digital Libraries · Computer Science 2024-09-12 Gollam Rabby , Sören Auer , Jennifer D'Souza , Allard Oelen

Large language model (LLM) has achieved outstanding performance on various downstream tasks with its powerful natural language understanding and zero-shot capability, but LLM still suffers from knowledge limitation. Especially in scenarios…

Computation and Language · Computer Science 2024-08-07 Tiezheng Guo , Qingwen Yang , Chen Wang , Yanyi Liu , Pan Li , Jiawei Tang , Dapeng Li , Yingyou Wen

In the current era of big data, extracting deep insights from massive, heterogeneous, and complexly associated multi-dimensional data has become a significant challenge. Large Language Models (LLMs) perform well in natural language…

Artificial Intelligence · Computer Science 2025-11-21 Xi Wang , Xianyao Ling , Kun Li , Gang Yin , Liang Zhang , Jiang Wu , Jun Xu , Fu Zhang , Wenbo Lei , Annie Wang , Peng Gong

Graph Neural Networks (GNNs) have emerged as transformative tools for modeling complex relational data, offering unprecedented capabilities in tasks like forecasting and optimization. This study investigates the application of GNNs to…

Machine Learning · Computer Science 2025-01-14 Chi-Sheng Chen , Ying-Jung Chen

An exciting frontier in natural language understanding (NLU) and generation (NLG) calls for (vision-and-) language models that can efficiently access external structured knowledge repositories. However, many existing knowledge bases only…

Computation and Language · Computer Science 2021-10-22 Houda Alberts , Teresa Huang , Yash Deshpande , Yibo Liu , Kyunghyun Cho , Clara Vania , Iacer Calixto

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

Graph Neural Networks (GNNs) have recently gained traction in transportation, bioinformatics, language and image processing, but research on their application to supply chain management remains limited. Supply chains are inherently…

Machine Learning · Computer Science 2025-06-24 Azmine Toushik Wasi , MD Shafikul Islam , Adipto Raihan Akib , Mahathir Mohammad Bappy

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…

Computation and Language · Computer Science 2026-03-24 Songlin Zhai , Guilin Qi , Yue Wang , Yuan Meng

Characterizing materials using electron micrographs is crucial in areas such as semiconductors and quantum materials. Traditional classification methods falter due to the intricatestructures of these micrographs. This study introduces an…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Sakhinana Sagar Srinivas , Geethan Sannidhi , Sreeja Gangasani , Chidaksh Ravuru , Venkataramana Runkana

Vision-language models (VLMs) like CLIP have demonstrated impressive zero-shot ability in image classification tasks by aligning text and images but suffer inferior performance compared with task-specific expert models. On the contrary,…

Artificial Intelligence · Computer Science 2025-02-04 Jia Zhang , Zhi Zhou , Lan-Zhe Guo , Yu-Feng Li

Zero-Shot Learning has been a highlighted research topic in both vision and language areas. Recently, most existing methods adopt structured knowledge information to model explicit correlations among categories and use deep graph…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Jiwei Wei , Yang Yang , Zeyu Ma , Jingjing Li , Xing Xu , Heng Tao Shen