Search Results for author: Jiacheng Li

Found 44 papers, 20 papers with code

Bridging Language and Items for Retrieval and Recommendation

1 code implementation6 Mar 2024 Yupeng Hou, Jiacheng Li, Zhankui He, An Yan, Xiusi Chen, Julian McAuley

This paper introduces BLaIR, a series of pretrained sentence embedding models specialized for recommendation scenarios.

Retrieval Sentence +2

MIST: Defending Against Membership Inference Attacks Through Membership-Invariant Subspace Training

no code implementations2 Nov 2023 Jiacheng Li, Ninghui Li, Bruno Ribeiro

Most MI attacks in the literature take advantage of the fact that ML models are trained to fit the training data well, and thus have very low loss on training instances.

Representation Learning

Degeneration-Tuning: Using Scrambled Grid shield Unwanted Concepts from Stable Diffusion

no code implementations2 Aug 2023 Zixuan Ni, Longhui Wei, Jiacheng Li, Siliang Tang, Yueting Zhuang, Qi Tian

In this work, we propose a novel strategy named \textbf{Degeneration-Tuning (DT)} to shield contents of unwanted concepts from SD weights.

Text Is All You Need: Learning Language Representations for Sequential Recommendation

1 code implementation23 May 2023 Jiacheng Li, Ming Wang, Jin Li, Jinmiao Fu, Xin Shen, Jingbo Shang, Julian McAuley

In this paper, we propose to model user preferences and item features as language representations that can be generalized to new items and datasets.

Representation Learning Sentence +1

Open-world Semi-supervised Generalized Relation Discovery Aligned in a Real-world Setting

no code implementations22 May 2023 William Hogan, Jiacheng Li, Jingbo Shang

Motivated by these insights, we present a novel method called KNoRD (Known and Novel Relation Discovery), which effectively classifies explicitly and implicitly expressed relations from known and novel classes within unlabeled data.

Relation Relation Extraction

Multi-stage Progressive Reasoning for Dunhuang Murals Inpainting

no code implementations10 May 2023 Wenjie Liu, Baokai Liu, Shiqiang Du, Yuqing Shi, Jiacheng Li, Jianhua Wang

The execution of the model is similar to the process of a mural restorer (i. e., inpainting the structure of the damaged mural globally first and then adding the local texture details further).

Image Inpainting

Deep Attention Unet: A Network Model with Global Feature Perception Ability

no code implementations21 Apr 2023 Jiacheng Li

Remote sensing image segmentation is a specific task of remote sensing image interpretation.

Deep Attention Image Segmentation +2

Region-Aware Portrait Retouching with Sparse Interactive Guidance

1 code implementation8 Apr 2023 Huimin Zeng, Jie Huang, Jiacheng Li, Zhiwei Xiong

Specifically, we propose a region-aware retouching framework with two branches: an automatic branch and an interactive branch.

Toward DNN of LUTs: Learning Efficient Image Restoration with Multiple Look-Up Tables

1 code implementation25 Mar 2023 Jiacheng Li, Chang Chen, Zhen Cheng, Zhiwei Xiong

However, the size of a single LUT grows exponentially with the increase of its indexing capacity, which restricts its receptive field and thus the performance.

Demosaicking Denoising +1

SmartBERT: A Promotion of Dynamic Early Exiting Mechanism for Accelerating BERT Inference

no code implementations16 Mar 2023 Boren Hu, Yun Zhu, Jiacheng Li, Siliang Tang

In this paper, we propose a novel dynamic early exiting combined with layer skipping for BERT inference named SmartBERT, which adds a skipping gate and an exiting operator into each layer of BERT.

Contrastive Learning Language Modelling +2

Lformer: Text-to-Image Generation with L-shape Block Parallel Decoding

no code implementations7 Mar 2023 Jiacheng Li, Longhui Wei, Zongyuan Zhan, Xin He, Siliang Tang, Qi Tian, Yueting Zhuang

To better accelerate the generative transformers while keeping good generation quality, we propose Lformer, a semi-autoregressive text-to-image generation model.

Text-to-Image Generation

Style Projected Clustering for Domain Generalized Semantic Segmentation

no code implementations CVPR 2023 Wei Huang, Chang Chen, Yong Li, Jiacheng Li, Cheng Li, Fenglong Song, Youliang Yan, Zhiwei Xiong

In contrast to existing methods, we instead utilize the difference between images to build a better representation space, where the distinct style features are extracted and stored as the bases of representation.

Clustering Semantic Segmentation

An advanced YOLOv3 method for small object detection

no code implementations6 Dec 2022 Baokai Liu, Fengjie He, Shiqiang Du, Jiacheng Li, Wenjie Liu

Small object detection has important application value in the fields of autonomous driving and drone scene analysis.

Autonomous Driving Object +2

Deep Learning for Logo Detection: A Survey

no code implementations10 Oct 2022 Sujuan Hou, Jiacheng Li, Weiqing Min, Qiang Hou, Yanna Zhao, Yuanjie Zheng, Shuqiang Jiang

When logos are increasingly created, logo detection has gradually become a research hotspot across many domains and tasks.

UCEpic: Unifying Aspect Planning and Lexical Constraints for Generating Explanations in Recommendation

1 code implementation28 Sep 2022 Jiacheng Li, Zhankui He, Jingbo Shang, Julian McAuley

Then, to obtain personalized explanations under this framework of insertion-based generation, we design a method of incorporating aspect planning and personalized references into the insertion process.

Explainable Recommendation Explanation Generation +2

SPOT: Knowledge-Enhanced Language Representations for Information Extraction

no code implementations20 Aug 2022 Jiacheng Li, Yannis Katsis, Tyler Baldwin, Ho-Cheol Kim, Andrew Bartko, Julian McAuley, Chun-Nan Hsu

To address these problems, we propose a new pre-trained model that learns representations of both entities and relationships from token spans and span pairs in the text respectively.

Relation Extraction

Personalized Showcases: Generating Multi-Modal Explanations for Recommendations

no code implementations30 Jun 2022 An Yan, Zhankui He, Jiacheng Li, Tianyang Zhang, Julian McAuley

In this paper, to further enrich explanations, we propose a new task named personalized showcases, in which we provide both textual and visual information to explain our recommendations.

Contrastive Learning

Fine-grained Contrastive Learning for Relation Extraction

1 code implementation25 May 2022 William Hogan, Jiacheng Li, Jingbo Shang

Recent relation extraction (RE) works have shown encouraging improvements by conducting contrastive learning on silver labels generated by distant supervision before fine-tuning on gold labels.

Contrastive Learning Denoising +3

MuCGEC: a Multi-Reference Multi-Source Evaluation Dataset for Chinese Grammatical Error Correction

2 code implementations NAACL 2022 Yue Zhang, Zhenghua Li, Zuyi Bao, Jiacheng Li, Bo Zhang, Chen Li, Fei Huang, Min Zhang

This paper presents MuCGEC, a multi-reference multi-source evaluation dataset for Chinese Grammatical Error Correction (CGEC), consisting of 7, 063 sentences collected from three Chinese-as-a-Second-Language (CSL) learner sources.

Grammatical Error Correction Sentence

Self-supervised Social Relation Representation for Human Group Detection

1 code implementation8 Mar 2022 Jiacheng Li, Ruize Han, Haomin Yan, Zekun Qian, Wei Feng, Song Wang

The core of human group detection is the human social relation representation and division. In this paper, we propose a new two-stage multi-head framework for human group detection.

Relation

Panoramic Human Activity Recognition

1 code implementation8 Mar 2022 Ruize Han, Haomin Yan, Jiacheng Li, Songmiao Wang, Wei Feng, Song Wang

To obtain a more comprehensive activity understanding for a crowded scene, in this paper, we propose a new problem of panoramic human activity recognition (PAR), which aims to simultaneous achieve the individual action, social group activity, and global activity recognition.

Human Activity Recognition

Space Layout of Low-entropy Hydration Shells Guides Protein Binding

no code implementations22 Feb 2022 Lin Yang, Shuai Guo, Chengyu Hou, Chencheng Liao, Jiacheng Li, Liping Shi, Xiaoliang Ma, Shenda Jiang, Bing Zheng, Yi Fang, Lin Ye, Xiaodong He

According to an analysis of determined protein complex structures, shape matching between the largest low-entropy hydration shell region of a protein and that of its partner at the binding sites is revealed as a regular pattern.

Contextual Outpainting With Object-Level Contrastive Learning

no code implementations CVPR 2022 Jiacheng Li, Chang Chen, Zhiwei Xiong

To model the contextual correlation between foreground and background contents, we incorporate an object-level contrastive loss to regularize the learning of cross-modal representations of foreground contents and the corresponding background semantic layout, facilitating accurate semantic reasoning.

Contrastive Learning Image Outpainting +1

Connecting the Complementary-View Videos: Joint Camera Identification and Subject Association

1 code implementation CVPR 2022 Ruize Han, Yiyang Gan, Jiacheng Li, Feifan Wang, Wei Feng, Song Wang

In this paper, we develop a new approach that can simultaneously handle three tasks: i) localizing the side-view camera in the top view; ii) estimating the view direction of the side-view camera; iii) detecting and associating the same subjects on the ground across the complementary views.

Position

Hydrophobic interaction determines docking affinity of SARS CoV 2 variants with antibodies

no code implementations28 Feb 2021 Jiacheng Li, Chengyu Hou, Menghao Wang, Chencheng Liao, Shuai Guo, Liping Shi, Xiaoliang Ma, Hongchi Zhang, Shenda Jiang, Bing Zheng, Lin Ye, Lin Yang, Xiaodong He

Preliminary epidemiologic, phylogenetic and clinical findings suggest that several novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants have increased transmissibility and decreased efficacy of several existing vaccines.

SeNsER: Learning Cross-Building Sensor Metadata Tagger

1 code implementation Findings of the Association for Computational Linguistics 2020 Yang Jiao, Jiacheng Li, Jiaman Wu, Dezhi Hong, Rajesh Gupta, Jingbo Shang

Sensor metadata tagging, akin to the named entity recognition task, provides key contextual information (e. g., measurement type and location) about sensors for running smart building applications.

named-entity-recognition Named Entity Recognition +1

A hydrophobic-interaction-based mechanism trigger docking between the SARS CoV 2 spike and angiotensin-converting enzyme 2

no code implementations27 Aug 2020 Jiacheng Li, Xiaoliang Ma, Shuai Guo, Chengyu Hou, Liping Shi, Hongchi Zhang, Bing Zheng, Chencheng Liao, Lin Yang, Lin Ye, Xiaodong He

The hydrophobic interaction between the SARS-CoV-2 S and ACE2 protein is found to be significantly greater than that between SARS-CoV S and ACE2.

Topic Adaptation and Prototype Encoding for Few-Shot Visual Storytelling

no code implementations11 Aug 2020 Jiacheng Li, Siliang Tang, Juncheng Li, Jun Xiao, Fei Wu, ShiLiang Pu, Yueting Zhuang

In this paper, we focus on enhancing the generalization ability of the VIST model by considering the few-shot setting.

Meta-Learning Visual Storytelling

DyHGCN: A Dynamic Heterogeneous Graph Convolutional Network to Learn Users' Dynamic Preferences for Information Diffusion Prediction

no code implementations9 Jun 2020 Chunyuan Yuan, Jiacheng Li, Wei Zhou, Yijun Lu, Xiaodan Zhang, Songlin Hu

For one thing, previous works cannot jointly utilize both the social network and diffusion graph for prediction, which is insufficient to model the complexity of the diffusion process and results in unsatisfactory prediction performance.

Misinformation

Membership Inference Attacks and Defenses in Classification Models

1 code implementation27 Feb 2020 Jiacheng Li, Ninghui Li, Bruno Ribeiro

We study the membership inference (MI) attack against classifiers, where the attacker's goal is to determine whether a data instance was used for training the classifier.

Classification General Classification

TiSASRec: Time Interval Aware Self-Attention for Sequential Recommendation

5 code implementations1 Jan 2020 Jiacheng Li, Yujie Wang, Julian McAuley

Sequential recommender systems seek to exploit the order of users' interactions, in order to predict their next action based on the context of what they have done recently.

Sequential Recommendation

Justifying Recommendations using Distantly-Labeled Reviews and Fine-Grained Aspects

no code implementations IJCNLP 2019 Jianmo Ni, Jiacheng Li, Julian McAuley

Several recent works have considered the problem of generating reviews (or {`}tips{'}) as a form of explanation as to why a recommendation might match a customer{'}s interests.

Decision Making Language Modelling

Informative Visual Storytelling with Cross-modal Rules

1 code implementation7 Jul 2019 Jiacheng Li, Haizhou Shi, Siliang Tang, Fei Wu, Yueting Zhuang

To solve this problem, we propose a method to mine the cross-modal rules to help the model infer these informative concepts given certain visual input.

Visual Storytelling

ZJUNlict Extended Team Description Paper for RoboCup 2019

1 code implementation22 May 2019 Zheyuan Huang, Lingyun Chen, Jiacheng Li, Yunkai Wang, Zexi Chen, Licheng Wen, Jianyang Gu, Peng Hu, Rong Xiong

For the Small Size League of RoboCup 2018, Team ZJUNLict has won the champion and therefore, this paper thoroughly described the devotion which ZJUNLict has devoted and the effort that ZJUNLict has contributed.

Robotics 68T40

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