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Despite the success of the carefully-annotated benchmarks, the effectiveness of existing graph neural networks (GNNs) can be considerably impaired in practice when the real-world graph data is noisily labeled. Previous explorations in…

Machine Learning · Computer Science 2024-08-30 Yuhao Wu , Jiangchao Yao , Xiaobo Xia , Jun Yu , Ruxin Wang , Bo Han , Tongliang Liu

Graph, such as citation networks, social networks, and transportation networks, are prevalent in the real world. Graph Neural Networks (GNNs) have gained widespread attention for their robust expressiveness and exceptional performance in…

Machine Learning · Computer Science 2023-03-01 Jing Liu , Tongya Zheng , Guanzheng Zhang , Qinfen Hao

The prevalence and perniciousness of fake news has been a critical issue on the Internet, which stimulates the development of automatic fake news detection in turn. In this paper, we focus on the evidence-based fake news detection, where…

Computation and Language · Computer Science 2022-02-09 Weizhi Xu , Junfei Wu , Qiang Liu , Shu Wu , Liang Wang

For many years, link prediction on knowledge graphs (KGs) has been a purely transductive task, not allowing for reasoning on unseen entities. Recently, increasing efforts are put into exploring semi- and fully inductive scenarios, enabling…

Machine Learning · Computer Science 2021-07-13 Mehdi Ali , Max Berrendorf , Mikhail Galkin , Veronika Thost , Tengfei Ma , Volker Tresp , Jens Lehmann

A series of datasets and models have been proposed for summaries generated for well-formatted documents such as news articles. Dialogue summaries, however, have been under explored. In this paper, we present the first dataset with…

Computation and Language · Computer Science 2023-05-29 Rongxin Zhu , Jianzhong Qi , Jey Han Lau

Analyzing ethnic or religious bias is important for improving fairness, accountability, and transparency of natural language processing models. However, many techniques rely on human-compiled lists of bias terms, which are expensive to…

Computation and Language · Computer Science 2022-05-30 Awantee Deshpande , Dana Ruiter , Marius Mosbach , Dietrich Klakow

Knowledge Graphs (KGs) and their machine learning counterpart, Knowledge Graph Embedding Models (KGEMs), have seen ever-increasing use in a wide variety of academic and applied settings. In particular, KGEMs are typically applied to KGs to…

Machine Learning · Computer Science 2024-12-16 Jeffrey Sardina , John D. Kelleher , Declan O'Sullivan

Large Language Models (LLMs) have demonstrated remarkable capabilities in many real-world applications. Nonetheless, LLMs are often criticized for their tendency to produce hallucinations, wherein the models fabricate incorrect statements…

Computation and Language · Computer Science 2024-06-05 Qinggang Zhang , Junnan Dong , Hao Chen , Daochen Zha , Zailiang Yu , Xiao Huang

Knowledge Graphs (KGs) are becoming essential to information systems that require access to structured data. Several approaches have been recently proposed, for obtaining vector representations of KGs suitable for Machine Learning tasks,…

Artificial Intelligence · Computer Science 2018-04-17 Muhammad Rizwan Saeed , Charalampos Chelmis , Viktor K. Prasanna

We present a family of novel methods for embedding knowledge graphs into real-valued tensors. These tensor-based embeddings capture the ordered relations that are typical in the knowledge graphs represented by semantic web languages like…

Machine Learning · Computer Science 2022-08-25 Ankur Padia , Kostantinos Kalpakis , Francis Ferraro , Tim Finin

Anomalies such as redundant, inconsistent, contradictory, and deficient values in a Knowledge Graph (KG) are unavoidable, as these graphs are often curated manually, or extracted using machine learning and natural language processing…

Machine Learning · Computer Science 2024-12-09 Asara Senaratne , Peter Christen , Pouya Omran , Graham Williams

Feature selection in Knowledge Graphs (KGs) are increasingly utilized in diverse domains, including biomedical research, Natural Language Processing (NLP), and personalized recommendation systems. This paper delves into the methodologies…

Machine Learning · Computer Science 2024-06-24 Sisi Shao , Pedro Henrique Ribeiro , Christina Ramirez , Jason H. Moore

Despite the rapid progress of large language models (LLMs), knowledge graph-based question answering (KGQA) remains essential for producing verifiable and hallucination-resistant answers in many real-world settings where answer…

Computation and Language · Computer Science 2026-01-21 Ruijie Wang , Luca Rossetto , Michael Cochez , Abraham Bernstein

The entity type information in Knowledge Graphs (KGs) such as DBpedia, Freebase, etc. is often incomplete due to automated generation or human curation. Entity typing is the task of assigning or inferring the semantic type of an entity in a…

Computation and Language · Computer Science 2022-08-01 Russa Biswas , Jan Portisch , Heiko Paulheim , Harald Sack , Mehwish Alam

Since ChatGPT offers detailed responses without justifications, and erroneous facts even for popular persons, events and places, in this paper we present a novel pipeline that retrieves the response of ChatGPT in RDF and tries to validate…

Databases · Computer Science 2023-11-20 Michalis Mountantonakis , Yannis Tzitzikas

Knowledge graphs (KGs) have achieved significant attention in recent years, particularly in the area of the Semantic Web as well as gaining popularity in other application domains such as data mining and search engines. Simultaneously,…

Complex query answering (CQA) on knowledge graphs (KGs) is gaining momentum as a challenging reasoning task. In this paper, we show that the current benchmarks for CQA might not be as complex as we think, as the way they are built distorts…

Machine Learning · Computer Science 2025-07-04 Cosimo Gregucci , Bo Xiong , Daniel Hernandez , Lorenzo Loconte , Pasquale Minervini , Steffen Staab , Antonio Vergari

There is enormous growth in various fields of research. This development is accompanied by new problems. To solve these problems efficiently and in an optimized manner, algorithms are created and described by researchers in the scientific…

Artificial Intelligence · Computer Science 2022-05-27 Jyotima Patel , Biswanath Dutta

Automatic static analysis tools (ASATs), such as Findbugs, have a high false alarm rate. The large number of false alarms produced poses a barrier to adoption. Researchers have proposed the use of machine learning to prune false alarms and…

Software Engineering · Computer Science 2022-02-15 Hong Jin Kang , Khai Loong Aw , David Lo

Knowledge graph (KG) embedding has been used to benefit the diagnosis of animal diseases by analyzing electronic medical records (EMRs), such as notes and veterinary records. However, learning representations to capture entities and…

Artificial Intelligence · Computer Science 2023-09-08 Van Thuy Hoang , Sang Thanh Nguyen , Sangmyeong Lee , Jooho Lee , Luong Vuong Nguyen , O-Joun Lee