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相关论文: BERTMap: A BERT-based Ontology Alignment System

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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,…

计算与语言 · 计算机科学 2022-06-30 Nimesh Bhana , Terence L. van Zyl

Despite the large number of patients in Electronic Health Records (EHRs), the subset of usable data for modeling outcomes of specific phenotypes are often imbalanced and of modest size. This can be attributed to the uneven coverage of…

机器学习 · 计算机科学 2021-03-25 Mohamed Ghalwash , Zijun Yao , Prithwish Chakraborty , James Codella , Daby Sow

An ontology makes a special vocabulary which describes the domain of interest and the meaning of the term on that vocabulary. Based on the precision of the specification, the concept of the ontology contains several data and conceptual…

信息检索 · 计算机科学 2019-10-01 Maryam Alizadeh , Maliheh Heydarpour Shahrezaei , Farajollah Tahernezhad-Javazm

Ontology alignment is integral to achieving semantic interoperability as the number of available ontologies covering intersecting domains is increasing. This paper proposes OWL2Vec4OA, an extension of the ontology embedding system OWL2Vec*.…

人工智能 · 计算机科学 2024-10-24 Sevinj Teymurova , Ernesto Jiménez-Ruiz , Tillman Weyde , Jiaoyan Chen

Pre-trained language models such as BERT have been a key ingredient to achieve state-of-the-art results on a variety of tasks in natural language processing and, more recently, also in information retrieval.Recent research even claims that…

信息检索 · 计算机科学 2022-05-03 Emma J. Gerritse , Faegheh Hasibi , Arjen P. de Vries

The latest work on language representations carefully integrates contextualized features into language model training, which enables a series of success especially in various machine reading comprehension and natural language inference…

计算与语言 · 计算机科学 2020-02-05 Zhuosheng Zhang , Yuwei Wu , Hai Zhao , Zuchao Li , Shuailiang Zhang , Xi Zhou , Xiang Zhou

Intent classification and slot filling are two essential tasks for natural language understanding. They often suffer from small-scale human-labeled training data, resulting in poor generalization capability, especially for rare words.…

计算与语言 · 计算机科学 2019-03-01 Qian Chen , Zhu Zhuo , Wen Wang

Ontologies have become essential in today's digital age as a way of organising the vast amount of readily available unstructured text. In providing formal structure to this information, ontologies have immense value and application across…

计算与语言 · 计算机科学 2025-11-11 Dekai Zhang , Simone Conia , Antonio Rago

Biomedical word embeddings are usually pre-trained on free text corpora with neural methods that capture local and global distributional properties. They are leveraged in downstream tasks using various neural architectures that are designed…

计算与语言 · 计算机科学 2021-07-26 Jiho Noh , Ramakanth Kavuluru

Semi-supervised learning has made remarkable strides by effectively utilizing a limited amount of labeled data while capitalizing on the abundant information present in unlabeled data. However, current algorithms often prioritize aligning…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Zhiquan Tan , Kaipeng Zheng , Weiran Huang

Slot filling is a fundamental task in dialog state tracking in task-oriented dialog systems. In multi-domain task-oriented dialog system, user utterances and system responses may mention multiple named entities and attributes values. A…

计算与语言 · 计算机科学 2021-08-26 Yuhao Ding , Yik-Cheung Tam

Ontologies play a crucial role in organizing and representing knowledge. However, even current ontologies do not encompass all relevant concepts and relationships. Here, we explore the potential of large language models (LLM) to expand an…

计算与语言 · 计算机科学 2023-11-14 Antonio Zaitoun , Tomer Sagi , Szymon Wilk , Mor Peleg

Ontologies are useful for automatic machine processing of domain knowledge as they represent it in a structured format. Yet, constructing ontologies requires substantial manual effort. To automate part of this process, large language models…

机器学习 · 计算机科学 2024-11-01 Andy Lo , Albert Q. Jiang , Wenda Li , Mateja Jamnik

Fine-grained entity typing (FET), which assigns entities in text with context-sensitive, fine-grained semantic types, is a basic but important task for knowledge extraction from unstructured text. FET has been studied extensively in natural…

计算与语言 · 计算机科学 2024-06-12 Tanay Komarlu , Minhao Jiang , Xuan Wang , Jiawei Han

Biomedical Named Entity Recognition (NER) is a fundamental task of Biomedical Natural Language Processing for extracting relevant information from biomedical texts, such as clinical records, scientific publications, and electronic health…

计算与语言 · 计算机科学 2023-12-27 Fahime Shahrokh , Nasser Ghadiri , Rasoul Samani , Milad Moradi

Ontologies provide a formal description of concepts and their relationships in a knowledge domain. The goal of ontology alignment is to identify semantically matching concepts and relationships across independently developed ontologies that…

人工智能 · 计算机科学 2013-07-08 Chau Do , Eric J. Pauwels

Typically, a linearly orthogonal transformation mapping is learned by aligning static type-level embeddings to build a shared semantic space. In view of the analysis that contextual embeddings contain richer semantic features, we…

计算与语言 · 计算机科学 2021-07-21 Haoran Xu , Philipp Koehn

Adding linguistic information (syntax or semantics) to neural machine translation (NMT) has mostly focused on using point estimates from pre-trained models. Directly using the capacity of massive pre-trained contextual word embedding models…

计算与语言 · 计算机科学 2021-04-08 Hassan S. Shavarani , Anoop Sarkar

Ontological Knowledge Bases (OKBs) play a vital role in structuring domain-specific knowledge and serve as a foundation for effective knowledge management systems. However, their traditional manual development poses significant challenges…

信息检索 · 计算机科学 2026-03-16 Le Ngoc Luyen , Marie-Hélène Abel , Philippe Gouspillou

Biomedical ontologies, which comprehensively define concepts and relations for biomedical entities, are crucial for structuring and formalizing domain-specific information representations. Biomedical code mapping identifies similarity or…

信息检索 · 计算机科学 2025-02-27 Hui Feng , Yuntzu Yin , Emiliano Reynares , Jay Nanavati