activity
20182023
most citedDGCN: Diversified Recommendation with Graph Convolutional Networks

132 citations · 768 across the 36 of their papers we have counts for

collaborators
Showing 2021Show all

8 papers · 1 filter

cs.IR2021

Session-aware Item-combination Recommendation with Transformer Network

Tzu-Heng Lin, Chen Gao

In this paper, we detailedly describe our solution for the IEEE BigData Cup 2021: RL-based RecSys (Track 1: Item Combination Prediction). We first conduct an exploratory data analy…

cs.IR2021★ 9 cited

Inhomogeneous Social Recommendation with Hypergraph Convolutional Networks

Zirui Zhu, Chen Gao, Xu Chen +3

Incorporating social relations into the recommendation system, i.e. social recommendation, has been widely studied in academic and industrial communities. While many promising resu…

cs.IR2021★ 5 cited

Improving Location Recommendation with Urban Knowledge Graph

Chang Liu, Chen Gao, Depeng Jin +1

Location recommendation is defined as to recommend locations (POIs) to users in location-based services. The existing data-driving approaches of location recommendation suffer from…

cs.IR2021★ 41 cited

A Survey of Graph Neural Networks for Recommender Systems: Challenges, Methods, and Directions

Chen Gao, Yu Zheng, Nian Li +8

Recommender system is one of the most important information services on today's Internet. Recently, graph neural networks have become the new state-of-the-art approach to recommend…

cs.IR2021★ 132 cited

DGCN: Diversified Recommendation with Graph Convolutional Networks

Yu Zheng, Chen Gao, Liang Chen +2

These years much effort has been devoted to improving the accuracy or relevance of the recommendation system. Diversity, a crucial factor which measures the dissimilarity among the…

cs.IR2021

Efficient Data-specific Model Search for Collaborative Filtering

Chen Gao, Quanming Yao, Depeng Jin +1

Collaborative filtering (CF), as a fundamental approach for recommender systems, is usually built on the latent factor model with learnable parameters to predict users' preferences…