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Clinicians are increasingly looking towards machine learning to gain insights about patient evolutions. We propose a novel approach named Multi-Modal UMLS Graph Learning (MMUGL) for learning meaningful representations of medical concepts…

Machine Learning · Computer Science 2024-02-07 Manuel Burger , Gunnar Rätsch , Rita Kuznetsova

Constructing domain-specific knowledge graphs from unstructured text remains challenging due to heterogeneous entity mentions, long-tail relation distributions, and the absence of standardized schemas. We present LEC-KG, a bidirectional…

Computation and Language · Computer Science 2026-03-02 Yikai Zeng , Yingchao Piao , Changhua Pei , Jianhui Li

Knowledge Graph Completion (KGC) predicts missing facts in an incomplete Knowledge Graph. Almost all of existing KGC research is applicable to only one KG at a time, and in one language only. However, different language speakers may…

Artificial Intelligence · Computer Science 2021-04-20 Harkanwar Singh , Prachi Jain , Mausam , Soumen Chakrabarti

A mathematical knowledge graph (KG) presents knowledge within the field of mathematics in a structured manner. Constructing a math KG using natural language is an essential but challenging task. There are two major limitations of existing…

Artificial Intelligence · Computer Science 2025-05-20 Rong Bian , Yu Geng , Zijian Yang , Bing Cheng

Retrieval-Augmented Generation allows LLMs to access external knowledge, reducing hallucinations and ageing-data issues. However, it treats retrieved chunks independently and struggles with multi-hop or relational reasoning, especially…

Artificial Intelligence · Computer Science 2025-10-30 Vanya Arikutharam , Arkadiy Ukolov

The construction of attack technique knowledge graphs aims to transform various types of attack knowledge into structured representations for more effective attack procedure modeling. Existing methods typically rely on textual data, such as…

Cryptography and Security · Computer Science 2024-11-14 Jian Wang , Tiantian Zhu , Chunlin Xiong , Yan Chen

Research publications are the primary vehicle for sharing scientific progress in the form of new discoveries, methods, techniques, and insights. Unfortunately, the lack of a large-scale, comprehensive, and easy-to-use resource capturing the…

Artificial Intelligence · Computer Science 2023-05-22 Kian Ahrabian , Xinwei Du , Richard Delwin Myloth , Arun Baalaaji Sankar Ananthan , Jay Pujara

The intrinsic complexity of human biology presents ongoing challenges to scientific understanding. Researchers collaborate across disciplines to expand our knowledge of the biological interactions that define human life. AI methodologies…

Knowledge graphs (KGs) are crucial for representing and reasoning over structured information, supporting a wide range of applications such as information retrieval, question answering, and decision-making. However, their effectiveness is…

Computation and Language · Computer Science 2024-12-13 Udari Madhushani Sehwag , Kassiani Papasotiriou , Jared Vann , Sumitra Ganesh

OpenStreetMap is a rich source of openly available geographic information. However, the representation of geographic entities, e.g., buildings, mountains, and cities, within OpenStreetMap is highly heterogeneous, diverse, and incomplete. As…

Information Retrieval · Computer Science 2021-09-22 Alishiba Dsouza , Nicolas Tempelmeier , Ran Yu , Simon Gottschalk , Elena Demidova

Large Language Models (LLMs) provide flexible natural language processing capabilities, while knowledge graphs (KGs) offer explicit and structured knowledge. Integrating these two in a complementary manner enables the development of…

Computation and Language · Computer Science 2026-05-12 Shusaku Egami , Aoi Ohta , Tomoki Tsujimura , Masaki Asada , Tatsuya Ishigaki , Ken Fukuda , Masahiro Hamasaki , Hiroya Takamura

Human smuggling networks are increasingly adaptive and difficult to analyze. Legal case documents offer valuable insights but are unstructured, lexically dense, and filled with ambiguous or shifting references-posing challenges for…

Computation and Language · Computer Science 2025-06-30 Dipak Meher , Carlotta Domeniconi , Guadalupe Correa-Cabrera

Background: Recent years are seeing a growing impetus in the semantification of scholarly knowledge at the fine-grained level of scientific entities in knowledge graphs. The Open Research Knowledge Graph (ORKG) https://www.orkg.org/…

Medical knowledge graphs (KGs) are essential for clinical decision support and biomedical research, yet they often exhibit incompleteness due to knowledge gaps and structural limitations in medical coding systems. This issue is particularly…

Computation and Language · Computer Science 2025-04-01 Xinyu Yao , Aditya Sannabhadti , Holly Wiberg , Karmel S. Shehadeh , Rema Padman

Identifying causative genes from patient phenotypes remains a significant challenge in precision medicine, with important implications for the diagnosis and treatment of genetic disorders. We propose a novel graph-based approach for…

Machine Learning · Computer Science 2025-06-17 Kamilia Zaripova , Ege Özsoy , Nassir Navab , Azade Farshad

Large Language Models (LLMs) have shown remarkable capabilities across various domains, yet they struggle with knowledge-intensive tasks in areas that demand factual accuracy, e.g. industrial automation and healthcare. Key limitations…

Machine Learning · Computer Science 2025-09-10 Michael Banf , Johannes Kuhn

Knowledge graph completion (KGC) aims to predict missing triples in knowledge graphs (KGs) by leveraging existing triples and textual information. Recently, generative large language models (LLMs) have been increasingly employed for graph…

Artificial Intelligence · Computer Science 2025-11-11 Yongkang Xiao , Sinian Zhang , Yi Dai , Huixue Zhou , Jue Hou , Jie Ding , Rui Zhang

Large Language Models (LLMs) have significantly advanced natural language processing (NLP) with their impressive language understanding and generation capabilities. However, their performance may be suboptimal for domain-specific tasks that…

Computation and Language · Computer Science 2023-05-19 Ziyang Luo , Can Xu , Pu Zhao , Xiubo Geng , Chongyang Tao , Jing Ma , Qingwei Lin , Daxin Jiang

The recent advances in large language models (LLM) and foundation models with emergent capabilities have been shown to improve the performance of many NLP tasks. LLMs and Knowledge Graphs (KG) can complement each other such that LLMs can be…

Computation and Language · Computer Science 2023-08-07 Nandana Mihindukulasooriya , Sanju Tiwari , Carlos F. Enguix , Kusum Lata

With the rapid development of biomedical software and hardware, a large amount of relational data interlinking genes, proteins, chemical components, drugs, diseases, and symptoms has been collected for modern biomedical research. Many…

Artificial Intelligence · Computer Science 2021-01-21 Yankai Chen , Yaozu Wu , Shicheng Ma , Irwin King