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Modeling user sequential behaviors has recently attracted increasing attention in the recommendation domain. Existing methods mostly assume coherent preference in the same sequence. However, user personalities are volatile and easily…

信息检索 · 计算机科学 2022-04-01 Weiqi Shao , Xu Chen , Long Xia , Jiashu Zhao , Dawei Yin

Pretraining DNA language models (DNALMs) on the full human genome is resource-intensive, yet often considered necessary for strong downstream performance. Inspired by recent findings in NLP and long-context modeling, we explore an…

基因组学 · 定量生物学 2025-06-24 Sohan Mupparapu , Parameswari Krishnamurthy , Ratish Puduppully

News recommendation aims to predict click behaviors based on user behaviors. How to effectively model the user representations is the key to recommending preferred news. Existing works are mostly focused on improvements in the supervised…

信息检索 · 计算机科学 2023-10-31 Guangyuan Ma , Hongtao Liu , Xing Wu , Wanhui Qian , Zhepeng Lv , Qing Yang , Songlin Hu

Neural network potentials (NNPs) are crucial for accelerating computational materials science by surrogating density functional theory (DFT) calculations. Improving their accuracy is possible through pre-training and fine-tuning, where an…

机器学习 · 计算机科学 2025-05-29 Yosuke Oyama , Yusuke Majima , Eiji Ohta , Yasufumi Sakai

Continual pre-training has been urgent for adapting a pre-trained model to a multitude of domains and tasks in the fast-evolving world. In practice, a continually pre-trained model is expected to demonstrate not only greater capacity when…

计算与语言 · 计算机科学 2023-10-23 Gangwei Jiang , Caigao Jiang , Siqiao Xue , James Y. Zhang , Jun Zhou , Defu Lian , Ying Wei

Prompting has become a practical method for utilizing pre-trained language models (LMs). This approach offers several advantages. It allows an LM to adapt to new tasks with minimal training and parameter updates, thus achieving efficiency…

音频与语音处理 · 电气工程与系统科学 2024-08-26 Kai-Wei Chang , Haibin Wu , Yu-Kai Wang , Yuan-Kuei Wu , Hua Shen , Wei-Cheng Tseng , Iu-thing Kang , Shang-Wen Li , Hung-yi Lee

To train robust deep neural networks (DNNs), we systematically study several target modification approaches, which include output regularisation, self and non-self label correction (LC). Two key issues are discovered: (1) Self LC is the…

机器学习 · 计算机科学 2021-06-03 Xinshao Wang , Yang Hua , Elyor Kodirov , David A. Clifton , Neil M. Robertson

It has been demonstrated that the art of prompt tuning is highly effective in efficiently extracting knowledge from pretrained foundation models, encompassing pretrained language models (PLMs), vision pretrained models, and vision-language…

计算与语言 · 计算机科学 2023-05-30 Xianjun Yang , Wei Cheng , Xujiang Zhao , Wenchao Yu , Linda Petzold , Haifeng Chen

We consider the task of few-shot intent detection, which involves training a deep learning model to classify utterances based on their underlying intents using only a small amount of labeled data. The current approach to address this…

计算与语言 · 计算机科学 2024-09-17 Haode Zhang , Haowen Liang , Liming Zhan , Albert Y. S. Lam , Xiao-Ming Wu

Missing modality issues are common in real-world applications, arising from factors such as equipment failures and privacy concerns. When fine-tuning pre-trained models on downstream datasets with missing modalities, performance can degrade…

机器学习 · 计算机科学 2025-03-04 Zirun Guo , Shulei Wang , Wang Lin , Weicai Yan , Yangyang Wu , Tao Jin

Sequential recommendation seeks to model the evolution of user interests by capturing temporal user intent and item-level transition patterns. Transformer-based recommenders demonstrate a strong capacity for learning long-range and…

信息检索 · 计算机科学 2026-04-28 Sijia Li , Min Gao , Zongwei Wang , Zhiyi Liu , Xin Xia , Yi Zhang

Group recommender systems aim to generate recommendations that align with the collective preferences of a group, introducing challenges that differ significantly from those in individual recommendation scenarios. This paper presents Joint…

信息检索 · 计算机科学 2025-04-10 Ngoc Luyen Le , Marie-Hélène Abel

With the expansion of business scenarios, real recommender systems are facing challenges in dealing with the constantly emerging new tasks in multi-task learning frameworks. In this paper, we attempt to improve the generalization ability of…

信息检索 · 计算机科学 2024-09-02 Ting Bai , Le Huang , Yue Yu , Cheng Yang , Cheng Hou , Zhe Zhao , Chuan Shi

Existing sequential recommendation methods rely on large amounts of training data and usually suffer from the data sparsity problem. To tackle this, the pre-training mechanism has been widely adopted, which attempts to leverage large-scale…

信息检索 · 计算机科学 2021-02-23 Chaojun Xiao , Ruobing Xie , Yuan Yao , Zhiyuan Liu , Maosong Sun , Xu Zhang , Leyu Lin

Intelligent agents should have the ability to leverage knowledge from previously learned tasks in order to learn new ones quickly and efficiently. Meta-learning approaches have emerged as a popular solution to achieve this. However,…

机器学习 · 计算机科学 2023-02-17 Zhao Mandi , Pieter Abbeel , Stephen James

Effectively finetuning pretrained language models (PLMs) is critical for their success in downstream tasks. However, PLMs may have risks in overfitting the pretraining tasks and data, which usually have gap with the target downstream tasks.…

计算与语言 · 计算机科学 2022-03-24 Chuhan Wu , Fangzhao Wu , Tao Qi , Yongfeng Huang , Xing Xie

The vision community is undergoing the unprecedented progress with the emergence of Vision-Language Pretraining Models (VLMs). Prompt learning plays as the holy grail of accessing VLMs since it enables their fast adaptation to downstream…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Ziliang Chen , Xin Huang , Quanlong Guan , Liang Lin , Weiqi Luo

As LLMs continue to scale, improving training efficiency increasingly depends on using data more effectively. Data selection addresses this problem by allocating a limited training budget to samples that best promote a target behavior.…

机器学习 · 计算机科学 2026-05-21 Qihao Lin , Guanxu Chen , Dongrui Liu , Jing Shao

Prompt tuning, or the conditioning of a frozen pretrained language model (PLM) with soft prompts learned from data, has demonstrated impressive performance on a wide range of NLP tasks. However, prompt tuning requires a large training…

计算与语言 · 计算机科学 2022-10-24 Xu Guo , Boyang Li , Han Yu

Deep neural networks (DNN) have achieved remarkable success in various fields, including computer vision and natural language processing. However, training an effective DNN model still poses challenges. This paper aims to propose a method…

机器学习 · 计算机科学 2024-07-03 Hejie Ying , Mengmeng Song , Yaohong Tang , Shungen Xiao , Zimin Xiao