Search Results for author: Hao Niu

Found 3 papers, 1 papers with code

Joint Learning of Local and Global Features for Aspect-based Sentiment Classification

no code implementations2 Nov 2023 Hao Niu, Yun Xiong, Xiaosu Wang, Philip S. Yu

Furthermore, we propose a dual-level graph attention network as a global encoder by fully employing dependency tag information to capture long-distance information effectively.

Graph Attention Representation Learning +4

Estimating Treatment Effects from Irregular Time Series Observations with Hidden Confounders

no code implementations4 Mar 2023 Defu Cao, James Enouen, Yujing Wang, Xiangchen Song, Chuizheng Meng, Hao Niu, Yan Liu

Causal analysis for time series data, in particular estimating individualized treatment effect (ITE), is a key task in many real-world applications, such as finance, retail, healthcare, etc.

Causal Inference Irregular Time Series +2

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