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Real-world Knowledge Graphs (KGs) often suffer from incompleteness, which limits their potential performance. Knowledge Graph Completion (KGC) techniques aim to address this issue. However, traditional KGC methods are computationally…

Computation and Language · Computer Science 2023-11-03 Alla Chepurova , Aydar Bulatov , Yuri Kuratov , Mikhail Burtsev

Contextualized entity representations learned by state-of-the-art transformer-based language models (TLMs) like BERT, GPT, T5, etc., leverage the attention mechanism to learn the data context from training data corpus. However, these models…

Computation and Language · Computer Science 2021-09-06 Keyur Faldu , Amit Sheth , Prashant Kikani , Hemang Akbari

Information extraction methods proved to be effective at triple extraction from structured or unstructured data. The organization of such triples in the form of (head entity, relation, tail entity) is called the construction of Knowledge…

Artificial Intelligence · Computer Science 2022-08-25 Mohamad Zamini , Hassan Reza , Minou Rabiei

The Knowledge Graph Completion~(KGC) task aims to infer the missing entity from an incomplete triple. Existing embedding-based methods rely solely on triples in the KG, which is vulnerable to specious relation patterns and long-tail…

Artificial Intelligence · Computer Science 2025-05-01 Muzhi Li , Cehao Yang , Chengjin Xu , Xuhui Jiang , Yiyan Qi , Jian Guo , Ho-fung Leung , Irwin King

Generating knowledge grounded responses in both goal and non-goal oriented dialogue systems is an important research challenge. Knowledge Graphs (KG) can be viewed as an abstraction of the real world, which can potentially facilitate a…

Computation and Language · Computer Science 2021-03-31 Debanjan Chaudhuri , Md Rashad Al Hasan Rony , Jens Lehmann

Incorporating factual knowledge into pre-trained language models (PLM) such as BERT is an emerging trend in recent NLP studies. However, most of the existing methods combine the external knowledge integration module with a modified…

Computation and Language · Computer Science 2022-05-06 Yinquan Lu , Haonan Lu , Guirong Fu , Qun Liu

Background : Knowledge is evolving over time, often as a result of new discoveries or changes in the adopted methods of reasoning. Also, new facts or evidence may become available, leading to new understandings of complex phenomena. This is…

Computation and Language · Computer Science 2023-04-24 Ayoub Harnoune , Maryem Rhanoui , Mounia Mikram , Siham Yousfi , Zineb Elkaimbillah , Bouchra El Asri

Scholarly Knowledge Graphs (KGs) provide a rich source of structured information representing knowledge encoded in scientific publications. With the sheer volume of published scientific literature comprising a plethora of inhomogeneous…

Computation and Language · Computer Science 2021-11-24 Mohamad Yaser Jaradeh , Kuldeep Singh , Markus Stocker , Sören Auer

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

Computation and Language · Computer Science 2023-05-18 Jason Youn , Ilias Tagkopoulos

Knowledge Graphs (KGs) store information in the form of (head, predicate, tail)-triples. To augment KGs with new knowledge, researchers proposed models for KG Completion (KGC) tasks such as link prediction; i.e., answering (h; p; ?) or (?;…

Artificial Intelligence · Computer Science 2022-08-24 Haris Widjaja , Kiril Gashteovski , Wiem Ben Rim , Pengfei Liu , Christopher Malon , Daniel Ruffinelli , Carolin Lawrence , Graham Neubig

Knowledge graphs (KGs) consist of links that describe relationships between entities. Due to the difficulty of manually enumerating all relationships between entities, automatically completing them is essential for KGs. Knowledge Graph…

Computation and Language · Computer Science 2024-06-07 Yusuke Sakai , Hidetaka Kamigaito , Katsuhiko Hayashi , Taro Watanabe

Knowledge graphs (KGs) of real-world facts about entities and their relationships are useful resources for a variety of natural language processing tasks. However, because knowledge graphs are typically incomplete, it is useful to perform…

Computation and Language · Computer Science 2020-10-28 Dat Quoc Nguyen

Graph Neural Networks (GNNs) have demonstrated great success in Knowledge Graph Completion (KGC) by modeling how entities and relations interact in recent years. However, most of them are designed to learn from the observed graph structure,…

Machine Learning · Computer Science 2023-02-28 Heng Chang , Jie Cai , Jia Li

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

The design and development of text-based knowledge graph completion (KGC) methods leveraging textual entity descriptions are at the forefront of research. These methods involve advanced optimization techniques such as soft prompts and…

Computation and Language · Computer Science 2024-06-28 Rui Yang , Jiahao Zhu , Jianping Man , Li Fang , Yi Zhou

Leveraging Large Language Models (LLMs) for Knowledge Graph Completion (KGC) is promising but hindered by a fundamental granularity mismatch. LLMs operate on fragmented token sequences, whereas entities are the fundamental units in…

Computation and Language · Computer Science 2026-02-27 Siyue Su , Jian Yang , Bo Li , Guanglin Niu

Multilingual Knowledge Graph Completion (mKGC) aim at solving queries like (h, r, ?) in different languages by reasoning a tail entity t thus improving multilingual knowledge graphs. Previous studies leverage multilingual pretrained…

Computation and Language · Computer Science 2024-06-27 Ran Song , Shizhu He , Shengxiang Gao , Li Cai , Kang Liu , Zhengtao Yu , Jun Zhao

Knowledge graphs (KGs) that modelings the world knowledge as structural triples are inevitably incomplete. Such problems still exist for multimodal knowledge graphs (MMKGs). Thus, knowledge graph completion (KGC) is of great importance to…

Artificial Intelligence · Computer Science 2022-09-16 Yichi Zhang , Wen Zhang

Knowledge Graph Completion (KGC) aims to predict the missing information in the (head entity)-[relation]-(tail entity) triplet. Deep Neural Networks have achieved significant progress in the relation prediction task. However, most existing…

Computation and Language · Computer Science 2024-08-15 Pengjie Liu

Large Language Models (LLMs) have shown impressive performance in various tasks, including knowledge graph completion (KGC). However, current studies mostly apply LLMs to classification tasks, like identifying missing triplets, rather than…

Artificial Intelligence · Computer Science 2025-01-07 Zaiyi Zheng , Yushun Dong , Song Wang , Haochen Liu , Qi Wang , Jundong Li