Search Results for author: Zihang Liu

Found 5 papers, 3 papers with code

HITMI&T at SemEval-2022 Task 4: Investigating Task-Adaptive Pretraining And Attention Mechanism On PCL Detection

no code implementations SemEval (NAACL) 2022 Zihang Liu, Yancheng He, Feiqing Zhuang, Bing Xu

Respectively, for subtask 1, that is, to judge whether a sentence is PCL, the method of retraining the model with specific task data is adopted, and the method of splicing [CLS] and the keyword representation of the last three layers as the representation of the sentence; for subtask 2, that is, to judge the PCL type of the sentence, in addition to using the same method as task1, the method of selecting a special loss for Multi-label text classification is applied.

Multi Label Text Classification Multi-Label Text Classification +2

A Simple Framework for Multi-mode Spatial-Temporal Data Modeling

1 code implementation22 Aug 2023 Zihang Liu, Le Yu, Tongyu Zhu, Leiei Sun

Spatial-temporal data modeling aims to mine the underlying spatial relationships and temporal dependencies of objects in a system.

Continuous-Time User Preference Modelling for Temporal Sets Prediction

1 code implementation12 Apr 2022 Le Yu, Zihang Liu, Leilei Sun, Bowen Du, Chuanren Liu, Weifeng Lv

Previous studies for temporal sets prediction mainly focus on the modelling of elements and implicitly represent each user's preference based on his/her interacted elements.

Semi-supervised Medical Image Segmentation via Geometry-aware Consistency Training

no code implementations12 Feb 2022 Zihang Liu, Chunhui Zhao

In this paper, a novel geometry-aware semi-supervised learning framework is proposed for medical image segmentation, which is a consistency-based method.

Image Segmentation Segmentation +2

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