271 citations · 367 across the 22 of their papers we have counts for
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A Hierarchical Optimizer for Recommendation System Based on Shortest Path Algorithm
Jiacheng Dai, Zhifeng Jia, Xiaofeng Gao +1
Top-k Nearest Geosocial Keyword (T-kNGK) query on geosocial network is defined to give users k recommendations based on some keywords and designated spatial range, and can be reali…
Learning Latent Process from High-Dimensional Event Sequences via Efficient Sampling
Qitian Wu, Zixuan Zhang, Xiaofeng Gao +2
We target modeling latent dynamics in high-dimension marked event sequences without any prior knowledge about marker relations. Such problem has been rarely studied by previous wor…
NETR-Tree: An Eifficient Framework for Social-Based Time-Aware Spatial Keyword Query
Xiuqi Huang, Yuanning Gao, Xiaofeng Gao +1
The development of global positioning system stimulates the popularity of location-based social network (LBSN) services. With a large volume of data containing locations, texts, ch…
Dual Graph Attention Networks for Deep Latent Representation of Multifaceted Social Effects in Recommender Systems
Qitian Wu, Hengrui Zhang, Xiaofeng Gao +4
Social recommendation leverages social information to solve data sparsity and cold-start problems in traditional collaborative filtering methods. However, most existing models assu…