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A key component of deep learning (DL) for natural language processing (NLP) is word embeddings. Word embeddings that effectively capture the meaning and context of the word that they represent can significantly improve the performance of…

The metadata about scientific experiments published in online repositories have been shown to suffer from a high degree of representational heterogeneity---there are often many ways to represent the same type of information, such as a…

Computation and Language · Computer Science 2020-12-17 Rafael S. Gonçalves , Maulik R. Kamdar , Mark A. Musen

The following contribution introduces a concept that employs Large Language Models (LLMs) and a chatbot interface to enhance SPARQL query generation for ontologies, thereby facilitating intuitive access to formalized knowledge. Utilizing…

Information Retrieval · Computer Science 2024-10-18 Jonathan Reif , Tom Jeleniewski , Milapji Singh Gill , Felix Gehlhoff , Alexander Fay

Large Language Models (LLMs) are increasingly being integrated into various components of Ontology Matching pipelines. This paper investigates the capability of LLMs to perform ontology matching directly on ontology modules and generate the…

Computation and Language · Computer Science 2025-12-01 Guilherme Sousa , Rinaldo Lima , Cassia Trojahn

As the knowledge of large language models (LLMs) becomes outdated over time, there is a growing need for efficient methods to update them, especially when injecting proprietary information. Our study reveals that comprehension-intensive…

Computation and Language · Computer Science 2025-05-26 Essa Jan , Moiz Ali , Muhammad Saram Hassan , Fareed Zaffar , Yasir Zaki

Large Language Models (LLMs) have achieved exceptional capabilities in open generation across various domains, yet they encounter difficulties with tasks that require intensive knowledge. To address these challenges, methods for integrating…

Computation and Language · Computer Science 2024-12-17 Fali Wang , Runxue Bao , Suhang Wang , Wenchao Yu , Yanchi Liu , Wei Cheng , Haifeng Chen

Text-to-SQL is a subtask in semantic parsing that has seen rapid progress with the evolution of Large Language Models (LLMs). However, LLMs face challenges due to hallucination issues and a lack of domain-specific database knowledge(such as…

Computation and Language · Computer Science 2025-02-26 Xingyu Ma , Xin Tian , Lingxiang Wu , Xuepeng Wang , Xueming Tang , Jinqiao Wang

Large Language Models (LLMs) demonstrate impressive capabilities in natural language processing but suffer from inaccuracies and logical inconsistencies known as hallucinations. This compromises their reliability, especially in domains…

Artificial Intelligence · Computer Science 2025-12-08 Ruslan Idelfonso Magana Vsevolodovna , Marco Monti

Domain-specific knowledge can significantly contribute to addressing a wide variety of vision tasks. However, the generation of such knowledge entails considerable human labor and time costs. This study investigates the potential of Large…

Capability ontologies are increasingly used to model functionalities of systems or machines. The creation of such ontological models with all properties and constraints of capabilities is very complex and can only be done by ontology…

Artificial Intelligence · Computer Science 2024-10-21 Luis Miguel Vieira da Silva , Aljosha Köcher , Felix Gehlhoff , Alexander Fay

Ontology Matching (OM), is a critical task in knowledge integration, where aligning heterogeneous ontologies facilitates data interoperability and knowledge sharing. Traditional OM systems often rely on expert knowledge or predictive…

Artificial Intelligence · Computer Science 2024-04-24 Hamed Babaei Giglou , Jennifer D'Souza , Felix Engel , Sören Auer

Through additional training, we explore embedding specialized scientific knowledge into the Llama 2 Large Language Model (LLM). Key findings reveal that effective knowledge integration requires reading texts from multiple perspectives,…

Computation and Language · Computer Science 2023-12-19 Kan Hatakeyama-Sato , Yasuhiko Igarashi , Shun Katakami , Yuta Nabae , Teruaki Hayakawa

Large language models (LLMs) exhibit superior performance on various natural language tasks, but they are susceptible to issues stemming from outdated data and domain-specific limitations. In order to address these challenges, researchers…

Computation and Language · Computer Science 2024-10-24 Zhangyin Feng , Weitao Ma , Weijiang Yu , Lei Huang , Haotian Wang , Qianglong Chen , Weihua Peng , Xiaocheng Feng , Bing Qin , Ting liu

Ontology-based approaches for predicting gene-disease associations include the more classical semantic similarity methods and more recently knowledge graph embeddings. While semantic similarity is typically restricted to hierarchical…

Machine Learning · Computer Science 2021-06-01 Susana Nunes , Rita T. Sousa , Catia Pesquita

To achieve a flexible and adaptable system, capability ontologies are increasingly leveraged to describe functions in a machine-interpretable way. However, modeling such complex ontological descriptions is still a manual and error-prone…

Artificial Intelligence · Computer Science 2024-10-21 Luis Miguel Vieira da Silva , Aljosha Köcher , Felix Gehlhoff , Alexander Fay

Ontologies are known to improve the accuracy of Large Language Models (LLMs) when translating natural language queries into a formal query language like SQL or SPARQL. There are two ways to leverage ontologies when working with LLMs. One is…

Databases · Computer Science 2024-10-15 C. Civili , E. Sherkhonov , R. E. K. Stirewalt

We propose an ontology enhanced model for sentence based claim detection. We fused ontology embeddings from a knowledge base with BERT sentence embeddings to perform claim detection for the ClaimBuster and the NewsClaims datasets. Our…

Computation and Language · Computer Science 2024-02-20 Zehra Melce Hüsünbeyi , Tatjana Scheffler

Large ontologies still pose serious challenges to state-of-the-art ontology alignment systems. In this paper we present an approach that combines a neural embedding model and logic-based modules to accurately divide an input ontology…

Artificial Intelligence · Computer Science 2020-03-12 Ernesto Jiménez-Ruiz , Asan Agibetov , Jiaoyan Chen , Matthias Samwald , Valerie Cross

The paper introduces a framework for the evaluation of the encoding of factual scientific knowledge, designed to streamline the manual evaluation process typically conducted by domain experts. Inferring over and extracting information from…

Computation and Language · Computer Science 2024-10-21 Magdalena Wysocka , Oskar Wysocki , Maxime Delmas , Vincent Mutel , Andre Freitas

Background: Biomedical entity normalization is critical to biomedical research because the richness of free-text clinical data, such as progress notes, can often be fully leveraged only after translating words and phrases into structured…

Computation and Language · Computer Science 2024-05-27 Nicholas J Dobbins