Search Results for author: Yi Cai

Found 35 papers, 10 papers with code

CLOSE: Curriculum Learning On the Sharing Extent Towards Better One-shot NAS

1 code implementation16 Jul 2022 Zixuan Zhou, Xuefei Ning, Yi Cai, Jiashu Han, Yiping Deng, Yuhan Dong, Huazhong Yang, Yu Wang

Specifically, we train the supernet with a large sharing extent (an easier curriculum) at the beginning and gradually decrease the sharing extent of the supernet (a harder curriculum).

Neural Architecture Search

Joint Multimodal Entity-Relation Extraction Based on Edge-enhanced Graph Alignment Network and Word-pair Relation Tagging

1 code implementation28 Nov 2022 Li Yuan, Yi Cai, Jin Wang, Qing Li

This paper is the first to propose jointly performing MNER and MRE as a joint multimodal entity-relation extraction task (JMERE).

graph construction named-entity-recognition +5

Scene-Text Oriented Reffering Expression Comprehension

1 code implementation 2023 2022 Yuqi Bu, Liuwu Li, Jiayuan Xie, Qiong Liu, Yi Cai, Qingbao Huang, Qing Li

Abstract—Referring expression comprehension (REC) aims to identify and locate a specific object in visual scenes referred to by a natural language expression.

Object Localization Referring Expression +1

Power of Explanations: Towards automatic debiasing in hate speech detection

1 code implementation7 Sep 2022 Yi Cai, Arthur Zimek, Gerhard Wunder, Eirini Ntoutsi

Hate speech detection is a common downstream application of natural language processing (NLP) in the real world.

Fairness Hate Speech Detection

Exploring Topic Discriminating Power of Words in Latent Dirichlet Allocation

no code implementations COLING 2016 Kai Yang, Yi Cai, Zhenhong Chen, Ho-fung Leung, Raymond Lau

Latent Dirichlet Allocation (LDA) and its variants have been widely used to discover latent topics in textual documents.

Topic Models

Task-oriented Domain-specific Meta-Embedding for Text Classification

no code implementations EMNLP 2020 Xin Wu, Yi Cai, Yang Kai, Tao Wang, Qing Li

Meta-embedding learning, which combines complementary information in different word embeddings, have shown superior performances across different Natural Language Processing tasks.

General Classification text-classification +2

Enabling Lower-Power Charge-Domain Nonvolatile In-Memory Computing with Ferroelectric FETs

no code implementations2 Feb 2021 Guodong Yin, Yi Cai, Juejian Wu, Zhengyang Duan, Zhenhua Zhu, Yongpan Liu, Yu Wang, Huazhong Yang, Xueqing Li

Compute-in-memory (CiM) is a promising approach to alleviating the memory wall problem for domain-specific applications.

Emerging Technologies

Fast Extraction of Word Embedding from Q-contexts

no code implementations15 Sep 2021 Junsheng Kong, Weizhao Li, Zeyi Liu, Ben Liao, Jiezhong Qiu, Chang-Yu Hsieh, Yi Cai, Shengyu Zhang

In this work, we show that with merely a small fraction of contexts (Q-contexts)which are typical in the whole corpus (and their mutual information with words), one can construct high-quality word embedding with negligible errors.

XPROAX-Local explanations for text classification with progressive neighborhood approximation

1 code implementation30 Sep 2021 Yi Cai, Arthur Zimek, Eirini Ntoutsi

The importance of the neighborhood for training a local surrogate model to approximate the local decision boundary of a black box classifier has been already highlighted in the literature.

counterfactual text-classification +1

Disco Intelligent Reflecting Surfaces: Active Channel Aging for Fully-Passive Jamming Attacks

no code implementations1 Feb 2023 Huan Huang, Ying Zhang, Hongliang Zhang, Yi Cai, A. Lee Swindlehurst, Zhu Han

A theoretical analysis of the proposed DIRS-based FPJ that provides an evaluation of the DIRS-based jamming attacks is derived.

Quantization

DEVICE: DEpth and VIsual ConcEpts Aware Transformer for TextCaps

no code implementations3 Feb 2023 Dongsheng Xu, Qingbao Huang, Feng Shuang, Yi Cai

One possible reason is that current studies mainly focus on constructing the plane-level geometric relationship of scene text without depth information.

Image Captioning Optical Character Recognition (OCR) +1

Explaining text classifiers through progressive neighborhood approximation with realistic samples

no code implementations11 Feb 2023 Yi Cai, Arthur Zimek, Eirini Ntoutsi, Gerhard Wunder

The importance of neighborhood construction in local explanation methods has been already highlighted in the literature.

An Adversarial Non-Autoregressive Model for Text Generation with Incomplete Information

no code implementations6 May 2023 Da Ren, Yi Cai, Qing Li

Non-autoregressive models have been widely studied in the Complete Information Scenario (CIS), in which the input has complete information of corresponding output.

Position Text Generation

An Anti-Jamming Strategy for Disco Intelligent Reflecting Surfaces Based Fully-Passive Jamming Attacks

no code implementations7 Jul 2023 Huan Huang, Hongliang Zhang, Yi Cai, A. Lee Swindlehurst, Zhu Han

Emerging intelligent reflecting surfaces (IRSs) significantly improve system performance, while also pose a huge risk for physical layer security.

On Gradient-like Explanation under a Black-box Setting: When Black-box Explanations Become as Good as White-box

no code implementations18 Aug 2023 Yi Cai, Gerhard Wunder

Attribution methods shed light on the explainability of data-driven approaches such as deep learning models by revealing the most contributing features to decisions that have been made.

Anti-Jamming Precoding Against Disco Intelligent Reflecting Surfaces Based Fully-Passive Jamming Attacks

no code implementations30 Aug 2023 Huan Huang, Lipeng Dai, Hongliang Zhang, Zhongxing Tian, Yi Cai, Chongfu Zhang, A. Lee Swindlehurst, Zhu Han

Numerical results are also presented to evaluate the effectiveness of the proposed anti-jamming precoder against the DIRS-based FPJs and the feasibility of the designed data frame used by the legitimate AP to estimate the statistical characteristics.

DISCO Might Not Be Funky: Random Intelligent Reflective Surface Configurations That Attack

no code implementations1 Oct 2023 Huan Huang, Lipeng Dai, Hongliang Zhang, Chongfu Zhang, Zhongxing Tian, Yi Cai, A. Lee Swindlehurst, Zhu Han

Moreover, we outline future research directions and challenges for the DIRS-based FPJ and its anti-jamming precoding to stimulate this line of research and pave the way for practical applications.

Enhancing Large Language Models for Secure Code Generation: A Dataset-driven Study on Vulnerability Mitigation

no code implementations25 Oct 2023 Jiexin Wang, Liuwen Cao, Xitong Luo, Zhiping Zhou, Jiayuan Xie, Adam Jatowt, Yi Cai

Moreover, our study identifies weaknesses in existing models' ability to repair vulnerable code, even when provided with vulnerability information.

Code Generation Code Repair

Graph neural topic model with commonsense knowledge

1 code implementation journal 2023 Bingshan Zhu, Yi Cai, Haopeng Ren

In this paper, we use the commonsense relationship between words as a bridge to connect the words in each document.

Topic Models

A Logical Pattern Memory Pre-trained Model for Entailment Tree Generation

1 code implementation11 Mar 2024 Li Yuan, Yi Cai, Haopeng Ren, Jiexin Wang

LMPM incorporates an external memory structure to learn and store the latent representations of logical patterns, which aids in generating logically consistent conclusions.

Integrated Sensing and Communication Under DISCO Physical-Layer Jamming Attacks

no code implementations11 Apr 2024 Huan Huang, Hongliang Zhang, Weidong Mei, Jun Li, Yi Cai, A. Lee Swindlehurst, Zhu Han

Moreover, a theoretical analysis is conducted to quantify the impact of DISCO jamming attacks.

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