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Heterogeneous graph neural networks (HGNNs) have demonstrated their superiority in exploiting auxiliary information for recommendation tasks. However, graphs constructed using meta-paths in HGNNs are usually too dense and contain a large…

信息检索 · 计算机科学 2025-06-02 Lei Sang , Yu Wang , Yiwen Zhang

We propose a meta-learning method for semi-supervised learning that learns from multiple tasks with heterogeneous attribute spaces. The existing semi-supervised meta-learning methods assume that all tasks share the same attribute space,…

机器学习 · 计算机科学 2023-11-10 Tomoharu Iwata , Atsutoshi Kumagai

Typical multi-task learning (MTL) methods rely on architectural adjustments and a large trainable parameter set to jointly optimize over several tasks. However, when the number of tasks increases so do the complexity of the architectural…

计算机视觉与模式识别 · 计算机科学 2019-03-29 Gjorgji Strezoski , Nanne van Noord , Marcel Worring

In lifelong learning, a learner faces a sequence of tasks with shared structure and aims to identify and leverage it to accelerate learning. We study the setting where such structure is captured by a common representation of data. Unlike…

机器学习 · 计算机科学 2025-11-04 Zhi Wang , Chicheng Zhang , Ramya Korlakai Vinayak

We identify an issue in multi-task learnable compression, in which a representation learned for one task does not positively contribute to the rate-distortion performance of a different task as much as expected, given the estimated amount…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Anderson de Andrade , Ivan Bajić

We propose a multi-task learning (MTL) model for jointly performing three tasks that are commonly solved in a text-to-speech (TTS) front-end: text normalization (TN), part-of-speech (POS) tagging, and homograph disambiguation (HD). Our…

计算与语言 · 计算机科学 2024-04-04 Wonjune Kang , Yun Wang , Shun Zhang , Arthur Hinsvark , Qing He

When modeling related tasks in computer vision, Multi-Task Learning (MTL) can outperform Single-Task Learning (STL) due to its ability to capture intrinsic relatedness among tasks. However, MTL may encounter the insufficient training…

计算机视觉与模式识别 · 计算机科学 2023-02-21 Caoyun Fan , Wenqing Chen , Jidong Tian , Yitian Li , Hao He , Yaohui Jin

Neural speech models build deeply entangled internal representations, which capture a variety of features (e.g., fundamental frequency, loudness, syntactic category, or semantic content of a word) in a distributed encoding. This complexity…

计算与语言 · 计算机科学 2024-10-07 Hosein Mohebbi , Grzegorz Chrupała , Willem Zuidema , Afra Alishahi , Ivan Titov

Casting complex inputs into tractable representations is a critical step across various fields. Diverse embedding models emerge from differences in architectures, loss functions, input modalities and datasets, each capturing unique aspects…

This paper presents a new multitask learning framework that learns a shared representation among the tasks, incorporating both task and feature clusters. The jointly-induced clusters yield a shared latent subspace where task relationships…

机器学习 · 统计学 2017-03-06 Keerthiram Murugesan , Jaime Carbonell , Yiming Yang

Intelligent perception and interaction with the world hinges on internal representations that capture its underlying structure (''disentangled'' or ''abstract'' representations). Disentangled representations serve as world models, isolating…

机器学习 · 计算机科学 2025-03-04 Pantelis Vafidis , Aman Bhargava , Antonio Rangel

Few-Shot Text Classification (FSTC) imitates humans to learn a new text classifier efficiently with only few examples, by leveraging prior knowledge from historical tasks. However, most prior works assume that all the tasks are sampled from…

计算与语言 · 计算机科学 2022-11-17 Juan Zha , Zheng Li , Ying Wei , Yu Zhang

Multi-task learning (MTL) is a paradigm that simultaneously learns multiple tasks by sharing information at different levels, enhancing the performance of each individual task. While previous research has primarily focused on feature-level…

机器学习 · 计算机科学 2024-04-02 Xiangming Xi , Feng Gao , Jun Xu , Fangtai Guo , Tianlei Jin

This paper proposes a deep representation learning using an information-theoretic loss with an aim to increase the inter-class distances as well as within-class similarity in the embedded space. Tasks such as anomaly and out-of-distribution…

机器学习 · 计算机科学 2022-02-08 Shin Ando

Incorporating heterogeneous representations from different architectures has facilitated various vision tasks, e.g., some hybrid networks combine transformers and convolutions. However, complementarity between such heterogeneous…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Zhong-Yu Li , Bo-Wen Yin , Yongxiang Liu , Li Liu , Ming-Ming Cheng

We consider Heterogeneous Transfer Learning (HTL) from a source to a new target domain for high-dimensional regression with differing feature sets. Most homogeneous TL methods assume that target and source domains share the same feature…

机器学习 · 统计学 2025-12-02 Jae Ho Chang , Massimiliano Russo , Subhadeep Paul

Multi-task learning (MTL) involves the simultaneous training of two or more related tasks over shared representations. In this work, we apply MTL to audio-visual automatic speech recognition(AV-ASR). Our primary task is to learn a mapping…

计算与语言 · 计算机科学 2017-01-11 Abhinav Thanda , Shankar M Venkatesan

Multi-Task Learning (MTL) is widely-accepted in Natural Language Processing as a standard technique for learning multiple related tasks in one model. Training an MTL model requires having the training data for all tasks available at the…

计算与语言 · 计算机科学 2023-02-23 Sudipta Kar , Giuseppe Castellucci , Simone Filice , Shervin Malmasi , Oleg Rokhlenko

Contrastive learning (CL) has become a dominant paradigm for self-supervised hypergraph learning, enabling effective training without costly labels. However, node entities in real-world hypergraphs are often associated with rich textual…

机器学习 · 计算机科学 2026-05-26 Mengting Pan , Fan Li , Chen Chen , Xiaoyang Wang , Wenjie Zhang

Multi-task learning (MTL) aims to improve estimation and prediction performance by sharing common information among related tasks. One natural assumption in MTL is that tasks are classified into clusters based on their characteristics.…

统计方法学 · 统计学 2024-05-28 Akira Okazaki , Shuichi Kawano