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The task of link prediction aims to solve the problem of incomplete knowledge caused by the difficulty of collecting facts from the real world. GCNs-based models are widely applied to solve link prediction problems due to their…

人工智能 · 计算机科学 2022-09-07 Shuanglong Yao , Dechang Pi , Junfu Chen , Yufei Liu , Zhiyuan Wu

Knowledge graphs (KGs) have been widely used for question answering (QA) applications, especially the entity based QA. However, searching an-swers from an entire large-scale knowledge graph is very time-consuming and it is hard to meet the…

人工智能 · 计算机科学 2021-07-30 Shuangyong Song

Knowledge tracing (KT) models, e.g., the deep knowledge tracing (DKT) model, track an individual learner's acquisition of skills over time by examining the learner's performance on questions related to those skills. A practical limitation…

机器学习 · 计算机科学 2020-05-27 Shashank Sonkar , Andrew E. Waters , Andrew S. Lan , Phillip J. Grimaldi , Richard G. Baraniuk

Autoregressive large language models (LLMs) pre-trained by next token prediction are inherently proficient in generative tasks. However, their performance on knowledge-driven tasks such as factual knowledge querying remains unsatisfactory.…

计算与语言 · 计算机科学 2026-01-14 Peng Yu , Cheng Deng , Beiya Dai , Xinbing Wang , Ying Wen

Zero-shot learning (ZSL) aims at recognizing classes for which no visual sample is available at training time. To address this issue, one can rely on a semantic description of each class. A typical ZSL model learns a mapping between the…

计算机视觉与模式识别 · 计算机科学 2022-09-29 Celina Hanouti , Hervé Le Borgne

Large-scale language models like ChatGPT and GPT-4 have gained attention for their impressive conversational and generative capabilities. However, the creation of supervised paired question-answering data for instruction tuning presents…

计算与语言 · 计算机科学 2023-05-23 Xuanyu Zhang , Qing Yang

Existing approaches on Question Answering over Knowledge Graphs (KGQA) have weak generalizability. That is often due to the standard i.i.d. assumption on the underlying dataset. Recently, three levels of generalization for KGQA were…

计算与语言 · 计算机科学 2022-05-16 Longquan Jiang , Ricardo Usbeck

Understanding novel situations in the traffic domain requires an intricate combination of domain-specific and causal commonsense knowledge. Prior work has provided sufficient perception-based modalities for traffic monitoring, in this…

计算与语言 · 计算机科学 2022-12-16 Jiarui Zhang , Filip Ilievski , Aravinda Kollaa , Jonathan Francis , Kaixin Ma , Alessandro Oltramari

Supervised learning requires a sufficient training dataset which includes all label. However, there are cases that some class is not in the training data. Zero-Shot Learning (ZSL) is the task of predicting class that is not in the training…

机器学习 · 计算机科学 2020-07-02 Toshitaka Hayashi , Hamido Fujita

Knowledge graphs (KGs) complement Large Language Models (LLMs) by providing reliable, structured, domain-specific, and up-to-date external knowledge. However, KGs and LLMs are often developed separately and must be integrated after…

Multi-task learning (MTL) has been widely used in recommender systems, wherein predicting each type of user feedback on items (e.g, click, purchase) are treated as individual tasks and jointly trained with a unified model. Our key…

信息检索 · 计算机科学 2022-03-29 Chenxiao Yang , Junwei Pan , Xiaofeng Gao , Tingyu Jiang , Dapeng Liu , Guihai Chen

Multi-task learning (MTL) is critical in real-world applications such as autonomous driving and robotics, enabling simultaneous handling of diverse tasks. However, obtaining fully annotated data for all tasks is impractical due to labeling…

机器学习 · 计算机科学 2026-01-13 Youngmin Oh , Hyung-Il Kim , Jung Uk Kim

Zero-shot learning (ZL) is crucial for tasks involving unseen categories, such as natural language processing, image classification, and cross-lingual transfer.Current applications often fail to accurately infer and handle new relations…

人工智能 · 计算机科学 2025-04-08 Bingchen Liu , Jingchen Li , Yuanyuan Fang , Xin Li

Automated fact-checking is an important task because determining the accurate status of a proposed claim within the vast amount of information available online is a critical challenge. This challenge requires robust evaluation to prevent…

计算与语言 · 计算机科学 2024-08-19 Mohammad Ghiasvand Mohammadkhani , Ali Ghiasvand Mohammadkhani , Hamid Beigy

Knowledge graph (KG) completion aims to find out missing triples in a KG. Some tasks, such as link prediction and instance completion, have been proposed for KG completion. They are triple-level tasks with some elements in a missing triple…

人工智能 · 计算机科学 2024-06-27 Wen Zhang , Yajing Xu , Peng Ye , Zhiwei Huang , Zezhong Xu , Jiaoyan Chen , Jeff Z. Pan , Huajun Chen

In this paper, we conduct an empirical investigation of neural query graph ranking approaches for the task of complex question answering over knowledge graphs. We experiment with six different ranking models and propose a novel…

Zero-shot Relation Triplet Extraction (ZeroRTE) aims to extract relation triplets from texts containing unseen relation types. This capability benefits various downstream information retrieval (IR) tasks. The primary challenge lies in…

计算与语言 · 计算机科学 2025-04-29 Wanli Li , Tieyun Qian , Yi Song , Zeyu Zhang , Jiawei Li , Zhuang Chen , Lixin Zou

This paper describes N-XKT (Neural encoding based on eXplanatory Knowledge Transfer), a novel method for the automatic transfer of explanatory knowledge through neural encoding mechanisms. We demonstrate that N-XKT is able to improve…

计算与语言 · 计算机科学 2021-05-21 Zili Zhou , Marco Valentino , Donal Landers , Andre Freitas

Methods proposed in the literature for zero-shot learning (ZSL) are typically suitable for offline learning and cannot continually learn from sequential streaming data. The sequential data comes in the form of tasks during training.…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Chandan Gautam , Sethupathy Parameswaran , Ashish Mishra , Suresh Sundaram

In this paper, we propose a novel deep learning architecture for multi-label zero-shot learning (ML-ZSL), which is able to predict multiple unseen class labels for each input instance. Inspired by the way humans utilize semantic knowledge…

计算机视觉与模式识别 · 计算机科学 2018-05-29 Chung-Wei Lee , Wei Fang , Chih-Kuan Yeh , Yu-Chiang Frank Wang