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Memory units have been widely used to enrich the capabilities of deep networks on capturing long-term dependencies in reasoning and prediction tasks, but little investigation exists on deep generative models (DGMs) which are good at…

机器学习 · 计算机科学 2016-05-31 Chongxuan Li , Jun Zhu , Bo Zhang

Knowledge representation learning has been commonly adopted to incorporate knowledge graph (KG) into various online services. Although existing knowledge representation learning methods have achieved considerable performance improvement,…

机器学习 · 计算机科学 2022-05-18 Binbin Hu , Zhiyang Hu , Zhiqiang Zhang , Jun Zhou , Chuan Shi

The graph structure is a commonly used data storage mode, and it turns out that the low-dimensional embedded representation of nodes in the graph is extremely useful in various typical tasks, such as node classification, link prediction ,…

社会与信息网络 · 计算机科学 2020-08-03 Xing Li , Wei Wei , Xiangnan Feng , Xue Liu , Zhiming Zheng

Lifelong learning is challenging for deep neural networks due to their susceptibility to catastrophic forgetting. Catastrophic forgetting occurs when a trained network is not able to maintain its ability to accomplish previously learned…

计算机视觉与模式识别 · 计算机科学 2019-08-23 Mengyao Zhai , Lei Chen , Fred Tung , Jiawei He , Megha Nawhal , Greg Mori

Graph Neural Networks usually rely on the assumption that the graph topology is available to the network as well as optimal for the downstream task. Latent graph inference allows models to dynamically learn the intrinsic graph structure of…

机器学习 · 计算机科学 2023-06-28 Haitz Sáez de Ocáriz Borde , Anees Kazi , Federico Barbero , Pietro Liò

A dynamic graph (DG) is frequently encountered in numerous real-world scenarios. Consequently, A dynamic graph convolutional network (DGCN) has been successfully applied to perform precise representation learning on a DG. However,…

机器学习 · 计算机科学 2025-04-23 Minglian Han

Conventional deep learning models have limited capacity in learning multiple tasks sequentially. The issue of forgetting the previously learned tasks in continual learning is known as catastrophic forgetting or interference. When the input…

机器学习 · 计算机科学 2020-07-14 Honglin Li , Payam Barnaghi , Shirin Enshaeifar , Frieder Ganz

Continual learning, focused on sequentially learning multiple tasks, has gained significant attention recently. Despite the tremendous progress made in the past, the theoretical understanding, especially factors contributing to catastrophic…

机器学习 · 计算机科学 2024-05-29 Meng Ding , Kaiyi Ji , Di Wang , Jinhui Xu

KnowledgeTracing (KT) involves predicting students' knowledge states based on their interactions with Intelligent Tutoring Systems (ITS). A key challenge is the cold start problem, accurately predicting knowledge for new students with…

计算机与社会 · 计算机科学 2026-02-09 Indronil Bhattacharjee , Christabel Wayllace

Generative models, including diffusion models, are increasingly used as foundation models and adapted through sequential fine-tuning, making continual learning an essential problem setting. However, continual learning in such generative…

机器学习 · 计算机科学 2026-05-29 Ken Takeda , Masafumi Oizumi , Ryo Karakida

Current Multimodal Knowledge Graph Construction (MKGC) models struggle with the real-world dynamism of continuously emerging entities and relations, often succumbing to catastrophic forgetting-loss of previously acquired knowledge. This…

计算与语言 · 计算机科学 2024-05-28 Xiang Chen , Jintian Zhang , Xiaohan Wang , Ningyu Zhang , Tongtong Wu , Yuxiang Wang , Yongheng Wang , Huajun Chen

This study bridges cognitive science and neural network design by examining whether artificial models exhibit human-like forgetting curves. Drawing upon Ebbinghaus' seminal work on memory decay and principles of spaced repetition, we…

机器学习 · 计算机科学 2025-06-23 Dylan Kline

Predicting student performance is a fundamental task in Intelligent Tutoring Systems (ITSs), by which we can learn about students' knowledge level and provide personalized teaching strategies for them. Researchers have made plenty of…

人工智能 · 计算机科学 2021-06-02 Mengfan Liu , Pengyang Shao , Kun Zhang

Graphs are a highly expressive abstraction for modeling entities and their relations, such as molecular structures, social networks, and traffic networks. Deep Graph Networks (DGNs) have emerged as a family of deep learning models that can…

机器学习 · 计算机科学 2024-10-16 Alessio Gravina

The ability to learn more and more concepts over time from incrementally arriving data is essential for the development of a life-long learning system. However, deep neural networks often suffer from forgetting previously learned concepts…

机器学习 · 计算机科学 2019-07-08 Huaiyu Li , Weiming Dong , Bao-Gang Hu

Continual Graph Learning (CGL), which aims to accommodate new tasks over evolving graph data without forgetting prior knowledge, is garnering significant research interest. Mainstream solutions adopt the memory replay-based idea, ie,…

机器学习 · 计算机科学 2025-02-11 Qi Wang , Tianfei Zhou , Ye Yuan , Rui Mao

Graphs are a natural representation of brain activity derived from functional magnetic imaging (fMRI) data. It is well known that clusters of anatomical brain regions, known as functional connectivity networks (FCNs), encode temporal…

机器学习 · 计算机科学 2023-01-30 Alexander Campbell , Simeon Spasov , Nicola Toschi , Pietro Lio

Monitoring student knowledge states or skill acquisition levels known as knowledge tracing, is a fundamental part of intelligent tutoring systems. Despite its inherent challenges, recent deep neural networks based knowledge tracing models…

人工智能 · 计算机科学 2019-09-04 Zhiwei Wang , Xiaoqin Feng , Jiliang Tang , Gale Yan Huang , Zitao Liu

Applying network science approaches to investigate the functions and anatomy of the human brain is prevalent in modern medical imaging analysis. Due to the complex network topology, for an individual brain, mining a discriminative network…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Wen Zhang , Liang Zhan , Paul Thompson , Yalin Wang

Long-horizon applications increasingly require large language models (LLMs) to answer queries when relevant evidence is sparse and dispersed across very long contexts. Existing memory systems largely follow two paradigms: explicit…

计算与语言 · 计算机科学 2026-01-08 Xin Zhang , Kailai Yang , Hao Li , Chenyue Li , Qiyu Wei , Sophia Ananiadou