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相关论文: Contrastive Cross-Course Knowledge Tracing via Con…

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In this paper, we focus on a novel knowledge reuse scenario where the knowledge in the source schema needs to be translated to a semantically heterogeneous target schema. We refer to this task as "knowledge translation" (KT). Unlike data…

人工智能 · 计算机科学 2015-07-14 Shangpu Jiang , Daniel Lowd , Dejing Dou

In recent years, contrastive learning achieves impressive results on self-supervised visual representation learning, but there still lacks a rigorous understanding of its learning dynamics. In this paper, we show that if we cast a…

机器学习 · 计算机科学 2023-03-09 Yifei Wang , Qi Zhang , Tianqi Du , Jiansheng Yang , Zhouchen Lin , Yisen Wang

Multi-task learning (MTL) has been widely applied in online advertising and recommender systems. To address the negative transfer issue, recent studies have proposed optimization methods that thoroughly focus on the gradient alignment of…

信息检索 · 计算机科学 2023-03-13 Xuanhua Yang , Jianxin Zhao , Shaoguo Liu , Liang Wang , Bo Zheng

Knowledge graphs (KGs) contain rich information about world knowledge, entities and relations. Thus, they can be great supplements to existing pre-trained language models. However, it remains a challenge to efficiently integrate information…

计算与语言 · 计算机科学 2020-10-05 Donghan Yu , Chenguang Zhu , Yiming Yang , Michael Zeng

The burgeoning size of Large Language Models (LLMs) has led to enhanced capabilities in generating responses, albeit at the expense of increased inference times and elevated resource demands. Existing methods of acceleration, predominantly…

计算与语言 · 计算机科学 2024-05-31 Yao Yao , Zuchao Li , Hai Zhao

Link prediction in knowledge graphs requires integrating structural information and semantic context to infer missing entities. While large language models offer strong generative reasoning capabilities, their limited exploitation of…

计算与语言 · 计算机科学 2025-09-09 Mengxue Yang , Chun Yang , Jiaqi Zhu , Jiafan Li , Jingqi Zhang , Yuyang Li , Ying Li

Knowledge graphs (KGs) are valuable for representing structured, interconnected information across domains, enabling tasks like semantic search, recommendation systems and inference. A pertinent challenge with KGs, however, is that many…

计算与语言 · 计算机科学 2024-12-17 Haji Gul , Abdul Ghani Naim , Ajaz A. Bhat

In a practical setting, how to enable robust Federated Learning (FL) systems, both in terms of generalization and personalization abilities, is one important research question. It is a challenging issue due to the consequences of non-i.i.d.…

机器学习 · 计算机科学 2024-12-04 Huy Q. Le , Minh N. H. Nguyen , Shashi Raj Pandey , Chaoning Zhang , Choong Seon Hong

Intelligent tutoring systems optimize the selection and timing of learning materials to enhance understanding and long-term retention. This requires estimates of both the learner's progress (''knowledge tracing''; KT), and the prerequisite…

机器学习 · 计算机科学 2024-03-21 Hanqi Zhou , Robert Bamler , Charley M. Wu , Álvaro Tejero-Cantero

As the rapid development of Intelligent Tutoring Systems (ITS) in the past decade, tracing the students' knowledge state has become more and more important in order to provide individualized learning guidance. This is the main idea of…

计算机与社会 · 计算机科学 2023-05-18 Zhongfeng Jia , Wei Su , Jiamin Liu , Wenli Yue

Tracing a student's knowledge growth given the past exercise answering is a vital objective in automatic tutoring systems to customize the learning experience. Yet, achieving this objective is a non-trivial task as it involves modeling the…

计算机与社会 · 计算机科学 2024-10-04 Seif Gad , Sherif Abdelfattah , Ghodai Abdelrahman

Knowledge Distillation (KD) aims at transferring knowledge from a larger well-optimized teacher network to a smaller learnable student network.Existing KD methods have mainly considered two types of knowledge, namely the individual…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Sheng Zhou , Yucheng Wang , Defang Chen , Jiawei Chen , Xin Wang , Can Wang , Jiajun Bu

Temporal knowledge graph, serving as an effective way to store and model dynamic relations, shows promising prospects in event forecasting. However, most temporal knowledge graph reasoning methods are highly dependent on the recurrence or…

人工智能 · 计算机科学 2022-12-05 Yi Xu , Junjie Ou , Hui Xu , Luoyi Fu

Federated learning benefits from cross-training strategies, which enables models to train on data from distinct sources to improve generalization capability. However, due to inherent differences in data distributions, the optimization goals…

人工智能 · 计算机科学 2025-09-17 Zhuang Qi , Lei Meng , Ruohan Zhang , Yu Wang , Xin Qi , Xiangxu Meng , Han Yu , Qiang Yang

Recently, contrastive learning attracts increasing interests in neural text generation as a new solution to alleviate the exposure bias problem. It introduces a sequence-level training signal which is crucial to generation tasks that always…

计算与语言 · 计算机科学 2023-02-06 Chenxin An , Jiangtao Feng , Kai Lv , Lingpeng Kong , Xipeng Qiu , Xuanjing Huang

Knowledge graph completion (KGC), the task of predicting missing information based on the existing relational data inside a knowledge graph (KG), has drawn significant attention in recent years. However, the predictive power of KGC methods…

计算与语言 · 计算机科学 2023-05-26 Weihang Zhang , Ovidiu Serban , Jiahao Sun , Yi-ke Guo

Supervised learning, while prevalent for information cascade modeling, often requires abundant labeled data in training, and the trained model is not easy to generalize across tasks and datasets. It often learns task-specific…

社会与信息网络 · 计算机科学 2022-02-22 Xovee Xu , Fan Zhou , Kunpeng Zhang , Siyuan Liu

Large language models (LLMs) can acquire strong code-generation capabilities through few-shot learning. In contrast, supervised fine-tuning is still needed for smaller models to achieve good performance. Such fine-tuning demands a large…

计算与语言 · 计算机科学 2023-06-09 Zhangir Azerbayev , Ansong Ni , Hailey Schoelkopf , Dragomir Radev

Text style transfer is a challenging text generation problem, which aims at altering the style of a given sentence to a target one while keeping its content unchanged. Since there is a natural scarcity of parallel datasets, recent works…

计算与语言 · 计算机科学 2022-02-02 Chenghao Fan , Ziao Li , Wei wei

Intelligent Tutoring Systems have become critically important in future learning environments. Knowledge Tracing (KT) is a crucial part of that system. It is about inferring the skill mastery of students and predicting their performance to…

计算机与社会 · 计算机科学 2021-12-22 Sein Minn , Jill-Jenn Vie , Koh Takeuchi , Hisashi Kashima , Feida Zhu
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