activity
20202023
most citedUnsupervised Representation Learning for Time Series: A Review

14 citations · 26 across the 4 of their papers we have counts for

collaborators

5 papers

cs.LG2023★ 14 cited

Unsupervised Representation Learning for Time Series: A Review

Qianwen Meng, Hangwei Qian, Yong Liu +3

Unsupervised representation learning approaches aim to learn discriminative feature representations from unlabeled data, without the requirement of annotating every sample. Enablin…

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.IR2022★ 5 cited

Enhancing Sequential Recommendation with Graph Contrastive Learning

Yixin Zhang, Yong Liu, Yonghui Xu +5

The sequential recommendation systems capture users' dynamic behavior patterns to predict their next interaction behaviors. Most existing sequential recommendation methods only exp…

cs.LG2020

Time-aware Graph Embedding: A temporal smoothness and task-oriented approach

Yonghui Xu, Shengjie Sun, Yuan Miao +6

Knowledge graph embedding, which aims to learn the low-dimensional representations of entities and relationships, has attracted considerable research efforts recently. However, mos…

cs.IR2020★ 4 cited

Contextualized Graph Attention Network for Recommendation with Item Knowledge Graph

Susen Yang, Yong Liu, Yonghui Xu +3

Graph neural networks (GNN) have recently been applied to exploit knowledge graph (KG) for recommendation. Existing GNN-based methods explicitly model the dependency between an ent…