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20222025
most citedUnsupervised Representation Learning for Time Series: A Review

14 citations · 56 across the 9 of their papers we have counts for

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Showing 2022Show all

5 papers · 1 filter

cs.LG2022★ 3 cited

MHCCL: Masked Hierarchical Cluster-Wise Contrastive Learning for Multivariate Time Series

Qianwen Meng, Hangwei Qian, Yong Liu +3

Learning semantic-rich representations from raw unlabeled time series data is critical for downstream tasks such as classification and forecasting. Contrastive learning has recentl…

cs.CR2022

DualCF: Efficient Model Extraction Attack from Counterfactual Explanations

Yongjie Wang, Hangwei Qian, Chunyan Miao

Cloud service providers have launched Machine-Learning-as-a-Service (MLaaS) platforms to allow users to access large-scale cloudbased models via APIs. In addition to prediction out…

cs.LG2022★ 12 cited

CCLF: A Contrastive-Curiosity-Driven Learning Framework for Sample-Efficient Reinforcement Learning

Chenyu Sun, Hangwei Qian, Chunyan Miao

In reinforcement learning (RL), it is challenging to learn directly from high-dimensional observations, where data augmentation has recently been shown to remedy this via encoding…

cs.LG2022

What Makes Good Contrastive Learning on Small-Scale Wearable-based Tasks?

Hangwei Qian, Tian Tian, Chunyan Miao

Self-supervised learning establishes a new paradigm of learning representations with much fewer or even no label annotations. Recently there has been remarkable progress on large-s…

cs.AI2022★ 13 cited

From Psychological Curiosity to Artificial Curiosity: Curiosity-Driven Learning in Artificial Intelligence Tasks

Chenyu Sun, Hangwei Qian, Chunyan Miao

Psychological curiosity plays a significant role in human intelligence to enhance learning through exploration and information acquisition. In the Artificial Intelligence (AI) comm…