Search Results for author: Ruihan Zhang

Found 6 papers, 1 papers with code

HCL-TAT: A Hybrid Contrastive Learning Method for Few-shot Event Detection with Task-Adaptive Threshold

no code implementations17 Oct 2022 Ruihan Zhang, Wei Wei, Xian-Ling Mao, Rui Fang, Dangyang Chen

Conventional event detection models under supervised learning settings suffer from the inability of transfer to newly-emerged event types owing to lack of sufficient annotations.

Contrastive Learning Event Detection +2

Representing Affect Information in Word Embeddings

no code implementations21 Sep 2022 Yuhan Zhang, Wenqi Chen, Ruihan Zhang, Xiajie Zhang

A growing body of research in natural language processing (NLP) and natural language understanding (NLU) is investigating human-like knowledge learned or encoded in the word embeddings from large language models.

Natural Language Understanding Word Embeddings

MIPR:Automatic Annotation of Medical Images with Pixel Rearrangement

no code implementations22 Apr 2022 Pingping Dai, Haiming Zhu, Shuang Ge, Ruihan Zhang, Xiang Qian, Xi Li, Kehong Yuan

In this paper, inspired by self-training of semi-supervised learning, we pro? pose a novel approach to solve the lack of annotated data from another angle, called medical image pixel rearrangement (short in MIPR).

Pseudo Label Segmentation +1

Invertible Concept-based Explanations for CNN Models with Non-negative Concept Activation Vectors

1 code implementation27 Jun 2020 Ruihan Zhang, Prashan Madumal, Tim Miller, Krista A. Ehinger, Benjamin I. P. Rubinstein

Based on the requirements of fidelity (approximate models to target models) and interpretability (being meaningful to people), we design measurements and evaluate a range of matrix factorization methods with our framework.

Clustering Dimensionality Reduction +1

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