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Knowledge graphs (KGs) play a vital role in enhancing search results and recommendation systems. With the rapid increase in the size of the KGs, they are becoming inaccuracy and incomplete. This problem can be solved by the knowledge graph…

Machine Learning · Computer Science 2024-08-06 Wanxu Wei , Yitong Song , Bin Yao

As the size of the datasets getting larger, accurately annotating such datasets is becoming more impractical due to the expensiveness on both time and economy. Therefore, crowd-sourcing has been widely adopted to alleviate the cost of…

Machine Learning · Computer Science 2024-02-21 Hansong Zhang , Shikun Li , Dan Zeng , Chenggang Yan , Shiming Ge

Affordance-centric Question-driven Task Completion (AQTC) for Egocentric Assistant introduces a groundbreaking scenario. In this scenario, through learning instructional videos, AI assistants provide users with step-by-step guidance on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Chao Zhang , Shiwei Wu , Sirui Zhao , Tong Xu , Enhong Chen

Selecting an effective training signal for machine learning tasks is difficult: expert annotations are expensive, and crowd-sourced annotations may not be reliable. Recent work has demonstrated that learning from a distribution over labels…

Computation and Language · Computer Science 2025-04-23 Dustin Wright , Isabelle Augenstein

Data often arrives in sequence over time in real-world deep learning applications such as autonomous driving. When new training data is available, training the model from scratch undermines the benefit of leveraging the learned knowledge,…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Maying Shen , Hongxu Yin , Pavlo Molchanov , Lei Mao , Jose M. Alvarez

Knowledge Graphs (KGs) have shown great success in recommendation. This is attributed to the rich attribute information contained in KG to improve item and user representations as side information. However, existing knowledge-aware methods…

Information Retrieval · Computer Science 2021-12-20 Zepeng Huai , Jianhua Tao , Feihu Che , Guohua Yang , Dawei Zhang

The standard evaluation protocol for measuring the quality of Knowledge Graph Completion methods - the task of inferring new links to be added to a graph - typically involves a step which ranks every entity of a Knowledge Graph to assess…

Artificial Intelligence · Computer Science 2024-02-02 Filip Cornell , Yifei Jin , Jussi Karlgren , Sarunas Girdzijauskas

In the realm of Text-attributed Graphs (TAGs), traditional graph neural networks (GNNs) often fall short due to the complex textual information associated with each node. Recent methods have improved node representations by leveraging large…

Machine Learning · Computer Science 2025-06-10 Huanyi Xie , Lijie Hu , Lu Yu , Tianhao Huang , Longfei Li , Meng Li , Jun Zhou , Huan Wang , Di Wang

A tuning-free procedure is proposed to estimate the covariate-adjusted Gaussian graphical model. For each finite subgraph, this estimator is asymptotically normal and efficient. As a consequence, a confidence interval can be obtained for…

Methodology · Statistics 2013-09-24 Mengjie Chen , Zhao Ren , Hongyu Zhao , Harrison Zhou

Effective learning support requires understanding not only what learners know but also how accurately they perceive their own understanding. This metacognitive dimension, known as knowledge monitoring, fundamentally influences…

Machine Learning · Computer Science 2026-05-26 Gen Li , Li Chen , Cheng Tang , Boxuan Ma , Yuncheng Jiang , Daisuke Deguchi , Takayoshi Yamashita , Atsushi Shimada

Knowledge graph completion (KGC) tasks aim to infer missing facts in a knowledge graph (KG) for many knowledge-intensive applications. However, existing embedding-based KGC approaches primarily rely on factual triples, potentially leading…

Artificial Intelligence · Computer Science 2024-10-08 Guanglin Niu , Bo Li , Siling Feng

Commit Classification(CC) is an important task in software maintenance since it helps software developers classify code changes into different types according to their nature and purpose. This allows them to better understand how their…

Software Engineering · Computer Science 2023-10-27 Jiajun Tong , Xiaobin Rui

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

Despite the ample availability of graph data, obtaining vertex labels is a tedious and expensive task. Therefore, it is desirable to learn from a few labeled vertices only. Existing few-shot learners assume a class oracle, which provides…

Machine Learning · Computer Science 2025-04-29 Felix Burr , Marcel Hoffmann , Ansgar Scherp

Uncertain knowledge graphs (UKGs) associate each triple with a confidence score to provide more precise knowledge representations. Recently, since real-world UKGs suffer from the incompleteness, uncertain knowledge graph (UKG) completion…

Artificial Intelligence · Computer Science 2025-10-22 Tianxing Wu , Shutong Zhu , Jingting Wang , Ning Xu , Guilin Qi , Haofen Wang

Fine-grained skill representations, commonly referred to as knowledge components (KCs), are fundamental to many approaches in student modeling and learning analytics. However, KC-level correctness labels are rarely available in real-world…

Computation and Language · Computer Science 2026-03-31 Zhangqi Duan , Arnav Kankaria , Dhruv Kartik , Andrew Lan

In this paper, we introduce a new self-supervised rationalization method, called KGRec, for knowledge-aware recommender systems. To effectively identify informative knowledge connections, we propose an attentive knowledge rationalization…

Information Retrieval · Computer Science 2023-07-07 Yuhao Yang , Chao Huang , Lianghao Xia , Chunzhen Huang

Connectionist Temporal Classification (CTC) is a widely used approach for automatic speech recognition (ASR) that performs conditionally independent monotonic alignment. However for translation, CTC exhibits clear limitations due to the…

Computation and Language · Computer Science 2022-10-12 Brian Yan , Siddharth Dalmia , Yosuke Higuchi , Graham Neubig , Florian Metze , Alan W Black , Shinji Watanabe

Recommender systems (RS) are currently being studied to mitigate limitations during cold-start conditions by leveraging modality information or introducing Agent concepts based on the exceptional reasoning capabilities of Large Language…

Information Retrieval · Computer Science 2025-11-18 Seung Hwan Cho , Yujin Yang , Danik Baeck , Minjoo Kim , Young-Min Kim , Heejung Lee , Sangjin Park

Attributed Graph Clustering (AGC) is a fundamental unsupervised task that partitions nodes into cohesive groups by jointly modeling structural topology and node attributes. While the advent of graph neural networks and self-supervised…

Machine Learning · Computer Science 2026-03-24 Yunhui Liu , Yue Liu , Yongchao Liu , Tao Zheng , Stan Z. Li , Xinwang Liu , Tieke He