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Continuous prompts have become widely adopted for augmenting performance across a wide range of natural language tasks. However, the underlying mechanism of this enhancement remains obscure. Previous studies rely on individual words for…

计算与语言 · 计算机科学 2024-12-06 Qian Chen , Dongyang Li , Xiaofeng He

The objective of this paper is to propose a framework, called Rough Clustering-based Consensus Community Detection (RC-CCD), to effectively address the challenge of identifying community structures in complex networks from a set of…

人工智能 · 计算机科学 2025-05-29 Darian H. Grass-Boada , Leandro González-Montesino , Rubén Armañanzas

Graph Neural Networks (GNNs) have made significant advancements in node classification, but their success relies on sufficient labeled nodes per class in the training data. Real-world graph data often exhibits a long-tail distribution with…

机器学习 · 计算机科学 2025-07-01 Qilong Yan , Yufeng Zhang , Jinghao Zhang , Jingpu Duan , Jian Yin

In this paper, we consider hybrid parallelism -- a paradigm that employs both Data Parallelism (DP) and Model Parallelism (MP) -- to scale distributed training of large recommendation models. We propose a compression framework called…

Continual Learning (CL) enables machine learning models to learn from continuously shifting new training data in absence of data from old tasks. Recently, pretrained vision transformers combined with prompt tuning have shown promise for…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Anurag Roy , Riddhiman Moulick , Vinay K. Verma , Saptarshi Ghosh , Abir Das

Recently a lot of progress has been made in rumor modeling and rumor detection for micro-blogging streams. However, existing automated methods do not perform very well for early rumor detection, which is crucial in many settings, e.g., in…

社会与信息网络 · 计算机科学 2024-04-10 Tu Nguyen , Cheng Li , Claudia Niederée

This paper uncovers a critical yet overlooked phenomenon in multi-modal large language models (MLLMs): detrimental concept drift within chain-of-thought (CoT) reasoning during non-stationary reinforcement fine-tuning (RFT), where reasoning…

机器学习 · 计算机科学 2025-05-20 Xiaoyu Yang , Jie Lu , En Yu

Social media misinformation harms individuals and societies and is potentialized by fast-growing multi-modal content (i.e., texts and images), which accounts for higher "credibility" than text-only news pieces. Although existing supervised…

人工智能 · 计算机科学 2023-11-27 Hui Liu , Wenya Wang , Hao Sun , Anderson Rocha , Haoliang Li

Recent vision-language pre-trained models (VL-PTMs) have shown remarkable success in open-vocabulary tasks. However, downstream use cases often involve further fine-tuning of VL-PTMs, which may distort their general knowledge and impair…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Lin Zhu , Yifeng Yang , Qinying Gu , Xinbing Wang , Chenghu Zhou , Nanyang Ye

We present Speculative Rollout with Tree-Structured Cache (SRT), a simple, model-free approach to accelerate on-policy reinforcement learning (RL) for language models without sacrificing distributional correctness. SRT exploits the…

Click-through rate(CTR) prediction is a core task in cost-per-click(CPC) advertising systems and has been studied extensively by machine learning practitioners. While many existing methods have been successfully deployed in practice, most…

信息检索 · 计算机科学 2022-01-19 Ke Hu , Yi Qi , Jianqiang Huang , Jia Cheng , Jun Lei

Neural networks can achieve excellent results in a wide variety of applications. However, when they attempt to sequentially learn, they tend to learn the new task while catastrophically forgetting previous ones. We propose a model that…

机器学习 · 计算机科学 2020-12-18 Craig Atkinson , Brendan McCane , Lech Szymanski , Anthony Robins

Social events provide valuable insights into group social behaviors and public concerns and therefore have many applications in fields such as product recommendation and crisis management. The complexity and streaming nature of social…

机器学习 · 计算机科学 2021-08-31 Yuwei Cao , Hao Peng , Jia Wu , Yingtong Dou , Jianxin Li , Philip S. Yu

In this work, we propose a novel recurrent neural network (RNN) architecture. The proposed RNN, gated-feedback RNN (GF-RNN), extends the existing approach of stacking multiple recurrent layers by allowing and controlling signals flowing…

神经与进化计算 · 计算机科学 2015-06-18 Junyoung Chung , Caglar Gulcehre , Kyunghyun Cho , Yoshua Bengio

Prompt Tuning has emerged as a prominent research paradigm for adapting vision-language models to various downstream tasks. However, recent research indicates that prompt tuning methods often lead to overfitting due to limited training…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Jingchen Sun , Rohan Sharma , Vishnu Suresh Lokhande , Changyou Chen

Sequence prediction and classification are ubiquitous and challenging problems in machine learning that can require identifying complex dependencies between temporally distant inputs. Recurrent Neural Networks (RNNs) have the ability, in…

神经与进化计算 · 计算机科学 2014-02-17 Jan Koutník , Klaus Greff , Faustino Gomez , Jürgen Schmidhuber

In this paper, we propose a context-aware keyword spotting model employing a character-level recurrent neural network (RNN) for spoken term detection in continuous speech. The RNN is end-to-end trained with connectionist temporal…

计算与语言 · 计算机科学 2015-12-31 Kyuyeon Hwang , Minjae Lee , Wonyong Sung

This work proposes an unsupervised learning framework for trajectory (sequence) outlier detection that combines ranking tests with user sequence models. The overall framework identifies sequence outliers at a desired false positive rate…

机器学习 · 计算机科学 2021-11-09 Mohamed A. Zahran , Leonardo Teixeira , Vinayak Rao , Bruno Ribeiro

Most artificial intelligence models have limiting ability to solve new tasks faster, without forgetting previously acquired knowledge. The recently emerging paradigm of continual learning aims to solve this issue, in which the model learns…

机器学习 · 计算机科学 2018-06-01 Ju Xu , Zhanxing Zhu

Continual learning aims to create artificial neural networks capable of accumulating knowledge and skills through incremental training on a sequence of tasks. The main challenge of continual learning is catastrophic interference, wherein…

人工智能 · 计算机科学 2023-11-01 Anton Lee , Yaqian Zhang , Heitor Murilo Gomes , Albert Bifet , Bernhard Pfahringer
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