Chengjie Zhou — accepted AI-conference papers

2024

Revisiting Structured Sentiment Analysis as Latent Dependency Graph Parsing

Chengjie Zhou, Bobo Li, Hao Fei, Fei Li, Chong Teng, Donghong Ji

ACL 2024long

Structured Sentiment Analysis (SSA) was cast as a problem of bi-lexical dependency graph parsing by prior studies.Multiple formulations have been proposed to construct the graph, which share several intrinsic drawbacks:(1) The internal structures of spans are neglected, thus only the boundary tokens…

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2024

SCAT: A Time Series Forecasting with Spectral Central Alternating Transformers

Chengjie Zhou, Chao Che, Pengfei Wang, Qiang Zhang

IJCAI 2024poster

Time series forecasting has essential applications across various domains. For instance, forecasting power time series can optimize energy usage and bolster grid stability and reliability. Existing models based on transformer architecture are limited to classical design, ignoring the impact of spati…

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