activity
20202022
most citedGrid Tagging Scheme for Aspect-oriented Fine-grained Opinion Extraction

15 citations · 16 across the 10 of their papers we have counts for

collaborators

13 papers

stat.ME2022

Estimating Time-Varying Direct and Indirect Causal Excursion Effects with Longitudinal Binary Outcomes

Jieru Shi, Zhenke Wu, Walter Dempsey

Construction of just-in-time adaptive interventions, such as prompts delivered by mobile apps to promote and maintain behavioral change, requires knowledge about time-varying moder…

cs.CL20221 cited

Label-Driven Denoising Framework for Multi-Label Few-Shot Aspect Category Detection

Fei Zhao, Yuchen Shen, Zhen Wu +1

Multi-Label Few-Shot Aspect Category Detection (FS-ACD) is a new sub-task of aspect-based sentiment analysis, which aims to detect aspect categories accurately with limited trainin…

cond-mat.mes-hall2022

Catalytic growth of ultralong graphene nanoribbons on insulating substrates

Bosai Lyu, Jiajun Chen, Shuo Lou +22

Graphene nanoribbons (GNRs) with widths of a few nanometres are promising candidates for future nano-electronic applications due to their structurally tunable bandgaps, ultrahigh c…

math.OC2022

Two Equivalent Families of Linear Fully Coupled Forward Backward Stochastic Differential Equations

Ruyi Liu, Zhen Wu, Detao Zhang

In this paper, we investigate two families of fully coupled linear Forward-Backward Stochastic Differential Equations (FBSDE). Within these families, one could get the same well-po…

q-fin.MF2022

Continuous-time mean-variance portfolio selection under non-Markovian regime-switching model with random horizon

Tian Chen, Ruyi Liu, Zhen Wu

In this paper, we consider a continuous-time mean-variance portfolio selection with regime-switching and random horizon. Unlike previous works, the dynamic of assets are described…

math.OC2022

Linear-Quadratic Large-Population Problem with Partial Information: Hamiltonian Approach and Riccati Approach

Min Li, Tianyang Nie, Zhen Wu

This paper studies a class of partial information linear-quadratic mean-field game problems. A general stochastic large-population system is considered, where the diffusion term of…