no code implementations • 31 Mar 2024 • Yibo Wang, Jiang Zhao
Recent advancements in deep reinforcement learning (RL) have demonstrated notable progress in sample efficiency, spanning both model-based and model-free paradigms.
no code implementations • 20 Mar 2024 • Yibo Wang, Ruiyuan Gao, Kai Chen, Kaiqiang Zhou, Yingjie Cai, Lanqing Hong, Zhenguo Li, Lihui Jiang, Dit-yan Yeung, Qiang Xu, Kai Zhang
Furthermore, image syntheses from DetDiffusion can effectively augment training data, significantly enhancing downstream detection performance.
no code implementations • 11 Mar 2024 • Fangxin Wang, Yuqing Liu, Kay Liu, Yibo Wang, Sourav Medya, Philip S. Yu
Therefore, identifying, quantifying, and utilizing uncertainty are essential to enhance the performance of the model for the downstream tasks as well as the reliability of the GNN predictions.
1 code implementation • 17 Feb 2024 • Xiangjue Dong, Yibo Wang, Philip S. Yu, James Caverlee
Our experiments demonstrate that all tested LLMs exhibit explicit and/or implicit gender bias, even when gender stereotypes are not present in the inputs.
no code implementations • 17 Dec 2023 • Wenting Zhao, Ye Liu, Yao Wan, Yibo Wang, Qingyang Wu, Zhongfen Deng, Jiangshu Du, Shuaiqi Liu, Yunlong Xu, Philip S. Yu
Task-Oriented Parsing (TOP) enables conversational assistants to interpret user commands expressed in natural language, transforming them into structured outputs that combine elements of both natural language and intent/slot tags.
no code implementations • 14 Nov 2023 • Yibo Wang, Xiangjue Dong, James Caverlee, Philip S. Yu
DALA considers distribution shifts of adversarial examples to improve the attack's effectiveness under detection methods.
no code implementations • 7 Nov 2023 • Zhongfen Deng, Seunghyun Yoon, Trung Bui, Franck Dernoncourt, Quan Hung Tran, Shuaiqi Liu, Wenting Zhao, Tao Zhang, Yibo Wang, Philip S. Yu
Then we merge the sentences selected for a specific aspect as the input for the summarizer to produce the aspect-based summary.
1 code implementation • 7 Nov 2023 • Zhongfen Deng, Hao Peng, Tao Zhang, Shuaiqi Liu, Wenting Zhao, Yibo Wang, Philip S. Yu
Furthermore, the copy mechanism in value generator and the value attention module in value classifier help our model address the data discrepancy issue by only focusing on the relevant part of input text and ignoring other information which causes the discrepancy issue such as sentence structure in the text.
no code implementations • 1 Nov 2023 • Xiangjue Dong, Yibo Wang, Philip S. Yu, James Caverlee
Large Language Models (LLMs) can generate biased and toxic responses.
1 code implementation • ICCV 2023 • Tao Lv, Hao Ye, Quan Yuan, Zhan Shi, Yibo Wang, Shuming Wang, Xun Cao
We demonstrate a compact, cost-effective snapshot spectral imaging system named Aperture Diffraction Imaging Spectrometer (ADIS), which consists only of an imaging lens with an ultra-thin orthogonal aperture mask and a mosaic filter sensor, requiring no additional physical footprint compared to common RGB cameras.
no code implementations • 20 Sep 2023 • Wenting Zhao, Ye Liu, Yao Wan, Yibo Wang, Zhongfen Deng, Philip S. Yu
Furthermore, TAG-QA outperforms the end-to-end model T5 by 16% and 12% on BLEU-4 and PARENT F-score, respectively.
1 code implementation • 20 Sep 2023 • Yibo Wang, Wenting Zhao, Yao Wan, Zhongfen Deng, Philip S. Yu
In this paper, we propose to incorporate the label dependencies among entity types into a multi-task learning framework for better MRC-based NER.
no code implementations • 25 Aug 2023 • Yibo Wang, Yunhu Ye, Yuanpeng Mao, Yanwei Yu, Yuanping Song
Text segmentation tasks have a very wide range of application values, such as image editing, style transfer, watermark removal, etc. However, existing public datasets are of poor quality of pixel-level labels that have been shown to be notoriously costly to acquire, both in terms of money and time.
no code implementations • 29 Jul 2023 • Yibo Wang, Yanbing Xue, Bo Liu, Musen Wen, Wenting Zhao, Stephen Guo, Philip S. Yu
Position bias, the phenomenon whereby users tend to focus on higher-ranked items of the search result list regardless of the actual relevance to queries, is prevailing in many ranking systems.
no code implementations • 10 Jul 2023 • Jiale Li, Zhixin Li, Yibo Wang, Yao Li, Lei Wang
However, it brings challenges in information security and data security.
no code implementations • 7 Jun 2023 • Kai Chen, Enze Xie, Zhe Chen, Yibo Wang, Lanqing Hong, Zhenguo Li, Dit-yan Yeung
Diffusion models have attracted significant attention due to the remarkable ability to create content and generate data for tasks like image classification.
no code implementations • 19 May 2023 • Yibo Wang, Wenhao Yang, Wei Jiang, Shiyin Lu, Bing Wang, Haihong Tang, Yuanyu Wan, Lijun Zhang
Specifically, we first provide a novel dynamic regret analysis for an existing projection-free method named $\text{BOGD}_\text{IP}$, and establish an $\mathcal{O}(T^{3/4}(1+P_T))$ dynamic regret bound, where $P_T$ denotes the path-length of the comparator sequence.
1 code implementation • 4 Nov 2022 • Yibo Wang, Congying Xia, Guan Wang, Philip Yu
In order to handle new entities in product titles and address the special language styles problem of product titles in e-commerce domain, we propose our textual entailment model with continuous prompt tuning based hypotheses and fusion embeddings for e-commerce entity typing.
no code implementations • 18 Jul 2022 • Wei Jiang, Gang Li, Yibo Wang, Lijun Zhang, Tianbao Yang
The key issue is to track and estimate a sequence of $\mathbf g(\mathbf{w})=(g_1(\mathbf{w}), \ldots, g_m(\mathbf{w}))$ across iterations, where $\mathbf g(\mathbf{w})$ has $m$ blocks and it is only allowed to probe $\mathcal{O}(1)$ blocks to attain their stochastic values and Jacobians.
1 code implementation • CVPR 2022 • Kailai Zhou, Yibo Wang, Tao Lv, Yunqian Li, Linsen Chen, Qiu Shen, Xun Cao
We endeavor on a rarely explored task named Insubstantial Object Detection (IOD), which aims to localize the object with following characteristics: (1) amorphous shape with indistinct boundary; (2) similarity to surroundings; (3) absence in color.
no code implementations • 11 Apr 2022 • Yuanyu Wan, Yibo Wang, Chang Yao, Wei-Wei Tu, Lijun Zhang
Projection-free online learning, which eschews the projection operation via less expensive computations such as linear optimization (LO), has received much interest recently due to its efficiency in handling high-dimensional problems with complex constraints.
no code implementations • 24 Feb 2022 • Yibo Wang, Wen Qian, Xuming Zhang
Deformable medical image registration plays an important role in clinical diagnosis and treatment.
no code implementations • 15 Feb 2022 • Wei Jiang, Bokun Wang, Yibo Wang, Lijun Zhang, Tianbao Yang
To address these limitations, we propose a Stochastic Multi-level Variance Reduction method (SMVR), which achieves the optimal sample complexity of $\mathcal{O}\left(1 / \epsilon^{3}\right)$ to find an $\epsilon$-stationary point for non-convex objectives.
1 code implementation • 4 Jul 2021 • Zhihao Wang, Yanwei Yu, Yibo Wang, Haixu Long, Fazheng Wang
Offline Chinese handwriting text recognition is a long-standing research topic in the field of pattern recognition.
no code implementations • 24 Feb 2021 • Yibo Wang, Siqi Jiang, Jingkuan Xiao, Xiaofan Cai, Di Zhang, Ping Wang, Guodong Ma, Yaqing Han, Jiabei Huang, Kenji Watanabe, Takashi Taniguchi, Alexander S. Mayorov, Geliang Yu
Van der Waals (vdW) assembly of two-dimensional materials has been long recognized as a powerful tool to create unique systems with properties that cannot be found in natural compounds.
Mesoscale and Nanoscale Physics Materials Science