no code implementations • 30 Dec 2024 • Haoran Sun, Zimu Wang, Qiuyi Chen, Jianjun Chen, Jia Wang, Haiyang Zhang
In recent years, user-generated audio content has proliferated across various media platforms, creating a growing need for efficient retrieval methods that allow users to search for audio clips using natural language queries.
no code implementations • 3 Nov 2024 • Lu Qian, Yuqi Wang, Zimu Wang, Haiyang Zhang, Wei Wang, Ting Yu, Anh Nguyen
In domain-specific contexts, particularly mental health, abstractive summarization requires advanced techniques adept at handling specialized content to generate domain-relevant and faithful summaries.
1 code implementation • 29 Oct 2024 • Yang Xiang, Li Fan, Tulika Saha, Xiaoying Pang, Yushan Pan, Haiyang Zhang, Chengtao Ji
Graph clustering is an essential aspect of network analysis that involves grouping nodes into separate clusters.
1 code implementation • 29 Oct 2024 • Lu Yu, Haiyang Zhang, Changsheng Xu
Our goal is to maintain the generalization of the CLIP model and enhance its adversarial robustness: The Attention Refinement module aligns the text-guided attention obtained from the target model via adversarial examples with the text-guided attention acquired from the original model via clean examples.
no code implementations • 17 Sep 2024 • Yanqing Kang, Di Zhu, Haiyang Zhang, Enze Shi, Sigang Yu, Jinru Wu, Xuhui Wang, Xuan Liu, Geng Chen, Xi Jiang, Tuo Zhang, Shu Zhang
This approach enables the exploration of I-nodes for brain networks, which is also lacking in current studies.
no code implementations • 5 Aug 2024 • Chen Luo, Xianfeng Tang, Hanqing Lu, Yaochen Xie, Hui Liu, Zhenwei Dai, Limeng Cui, Ashutosh Joshi, Sreyashi Nag, Yang Li, Zhen Li, Rahul Goutam, Jiliang Tang, Haiyang Zhang, Qi He
Next, we delve into how the query understanding system contributes to understanding the performance of a ranking model.
no code implementations • 1 Aug 2024 • Qianyu Yang, Haiyang Zhang, ChunGuo Li, Ruiqi Liu, Baoyun Wang
Our goal is to characterize the fundamental trade-off between imaging and wireless power transfer by optimizing the illumination signal.
no code implementations • 24 Jul 2024 • Qianyu Yang, Anna Guerra, Francesco Guidi, Nir Shlezinger, Haiyang Zhang, Davide Dardari, Baoyun Wang, Yonina C. Eldar
The simulation results show that near-field localization accuracy based on a hybrid array or DMA can achieve performance close to that of fully digital arrays at a lower cost, and DMAs can attain better performance than hybrid solutions with the same aperture.
no code implementations • 7 Jun 2024 • Zhuoyang Liu, Yuchen Zhang, Haiyang Zhang, Feng Xu, Yonina C. Eldar
Traditional discrete-array-based systems fail to exploit interactions between closely spaced antennas, resulting in inadequate utilization of the aperture resource.
no code implementations • 6 Apr 2024 • Lingzhi Liu, Haiyang Zhang, Chengwei Tang, Tiantian Zhang
The memory dictionary-based contrastive learning method has achieved remarkable results in the field of unsupervised person Re-ID.
1 code implementation • 26 Mar 2024 • Haiyang Zhang, Qiuyi Chen, Yuanjie Zou, Yushan Pan, Jia Wang, Mark Stevenson
The Document Set Expansion (DSE) task involves identifying relevant documents from large collections based on a limited set of example documents.
no code implementations • 9 Mar 2024 • Bing He, Sreyashi Nag, Limeng Cui, Suhang Wang, Zheng Li, Rahul Goutam, Zhen Li, Haiyang Zhang
E-commerce platforms typically store and structure product information and search data in a hierarchy.
no code implementations • 20 Jan 2024 • Haiyang Zhang, Qiuyi Chen, Yuanjie Zou, Yushan Pan, Jia Wang, Mark Stevenson
Previous work shows that PU learning is a promising method for this task.
no code implementations • 24 Dec 2023 • Rui Zhou, Haiyang Zhang, Hao Wang, Jin He, Qijun Huang, Sheng Chang
By integrating the local voltage-controlled magnetic anisotropy (VCMA) effect, Dzyaloshinskii-Moriya interaction (DMI) effect, and spin-orbit torque (SOT) effect, we propose a novel device structure for field-free magnetic tunnel junction (MTJ).
no code implementations • 18 Dec 2023 • Giulia Torcolacci, Anna Guerra, Haiyang Zhang, Francesco Guidi, Qianyu Yang, Yonina C. Eldar, Davide Dardari
This paper addresses a near-field imaging problem utilizing extremely large-scale multiple-input multiple-output (XL-MIMO) antennas and reconfigurable intelligent surfaces (RISs) already in place for wireless communications.
no code implementations • 15 Nov 2023 • Yuchen Zhang, Haiyang Zhang, Sa Xiao, Wanbin Tang, Yonina C. Eldar
In the rapidly advancing landscape of 6G, characterized by ultra-high-speed wideband transmission in millimeter-wave and terahertz bands, our paper addresses the pivotal task of enhancing physical layer security (PLS) within near-field wideband communications.
1 code implementation • 7 Oct 2023 • Zhikai Chen, Haitao Mao, Hongzhi Wen, Haoyu Han, Wei Jin, Haiyang Zhang, Hui Liu, Jiliang Tang
In light of these observations, this work introduces a label-free node classification on graphs with LLMs pipeline, LLM-GNN.
3 code implementations • 17 Aug 2023 • Jiahao Zhang, Haiyang Zhang, Dongmei Zhang, Yong liu, Shen Huang
This approach models the multi-hop retrieval process in an end-to-end manner by jointly optimizing an encoder and two classification heads across all hops.
Ranked #1 on
Question Answering
on HotpotQA
no code implementations • 16 Aug 2023 • Qinghui Nie, Jishun Ou, Haiyang Zhang, Jiawei Lu, Shen Li, Haotian Shi
An efficient urban bus control system has the potential to significantly reduce travel delays and streamline the allocation of transportation resources, thereby offering enhanced and user-friendly transit services to passengers.
1 code implementation • NeurIPS 2023 • Wei Jin, Haitao Mao, Zheng Li, Haoming Jiang, Chen Luo, Hongzhi Wen, Haoyu Han, Hanqing Lu, Zhengyang Wang, Ruirui Li, Zhen Li, Monica Xiao Cheng, Rahul Goutam, Haiyang Zhang, Karthik Subbian, Suhang Wang, Yizhou Sun, Jiliang Tang, Bing Yin, Xianfeng Tang
To test the potential of the dataset, we introduce three tasks in this work: (1) next-product recommendation, (2) next-product recommendation with domain shifts, and (3) next-product title generation.
no code implementations • 28 Apr 2023 • Jiaqi Wang, Enze Shi, Sigang Yu, Zihao Wu, Chong Ma, Haixing Dai, Qiushi Yang, Yanqing Kang, Jinru Wu, Huawen Hu, Chenxi Yue, Haiyang Zhang, Yiheng Liu, Yi Pan, Zhengliang Liu, Lichao Sun, Xiang Li, Bao Ge, Xi Jiang, Dajiang Zhu, Yixuan Yuan, Dinggang Shen, Tianming Liu, Shu Zhang
Prompt engineering is a critical technique in the field of natural language processing that involves designing and optimizing the prompts used to input information into models, aiming to enhance their performance on specific tasks.
no code implementations • 28 Mar 2023 • Zhuoyang Liu, Haiyang Zhang, Tianyao Huang, Feng Xu, Yonina C. Eldar
Dual-function radar-communication (DFRC) technology is emerging in next-generation wireless systems.
no code implementations • 27 Jan 2023 • Xing Zhang, Haiyang Zhang, Nimrod Glazer, Oded Cohen, Eliya Reznitskiy, Shlomi Savariego, Moshe Namer, Yonina C. Eldar
In this work, we apply task-based quantization to multi-user signal recovery and present a hardware prototype implementation.
no code implementations • 27 Dec 2022 • Xing Zhang, Haiyang Zhang, Yonina C. Eldar
In this case, the spherical wave assumption which takes into account both the user angle and distance is more accurate than the conventional planar one that is only related to the user angle.
no code implementations • 28 Nov 2022 • Xiangyu Zhang, Zening Wang, Haiyang Zhang, Luxi Yang
In particular, we first formulate the XL-MIMO near-field channel estimation task as a compressed sensing problem using the spatial gridding-based sparsifying dictionary, and then solve the resulting problem by applying the Learning Iterative Shrinkage and Thresholding Algorithm (LISTA).
no code implementations • 28 Oct 2022 • Qianyu Yang, Anna Guerra, Francesco Guidi, Nir Shlezinger, Haiyang Zhang, Davide Dardari, Baoyun Wang, Yonina C. Eldar
We use a direct positioning estimation method based on curvature-of-arrival of the impinging wavefront to obtain the user location, and characterize the effects of DMA tuning on the estimation accuracy.
no code implementations • 27 Oct 2022 • Qianyu Yang, Haiyang Zhang, Baoyun Wang
This letter proposes a new concept of integrated sensing and wireless power transfer (ISWPT), where radar sensing and wireless power transfer functions are integrated into one hardware platform.
no code implementations • 22 Oct 2022 • Wei Huang, Haiyang Zhang, Nir Shlezinger, Yonina C. Eldar
Dynamic metasurface antennas (DMAs) provide a new paradigm to realize large-scale antenna arrays for future wireless systems.
no code implementations • 26 Jul 2022 • Rui Guo, Tianyao Huang, Maokun Li, Haiyang Zhang, Yonina C. Eldar
To benefit from prior knowledge in big data and the theoretical constraint of physical laws, physics embedded ML methods for EM imaging have become the focus of a large body of recent work.
no code implementations • 4 Jul 2022 • Geon Park, Jaehong Yoon, Haiyang Zhang, Xing Zhang, Sung Ju Hwang, Yonina C. Eldar
Neural network quantization aims to transform high-precision weights and activations of a given neural network into low-precision weights/activations for reduced memory usage and computation, while preserving the performance of the original model.
no code implementations • 24 Mar 2022 • Haiyang Zhang, Nir Shlezinger, Francesco Guidi, Davide Dardari, Yonina C. Eldar
As a consequence, it is expected that some portion of future 6G wireless communications may take place in the radiating near-field (Fresnel) region, in addition to the far-field operation as in current wireless technologies.
no code implementations • 14 Feb 2022 • Liuhang Wang, Nir Shlezinger, George C. Alexandropoulos, Haiyang Zhang, Baoyun Wang, Yonina C. Elda
Reconfigurable Intelligent Surfaces (RISs) are regarded as a key technology for future wireless communications, enabling programmable radio propagation environments.
no code implementations • 11 Feb 2022 • Haiyang Zhang, Nir Shlezinger, Idban Alamzadeh, George C. Alexandropoulos, Mohammadreza F. Imani, Yonina C. Eldar
As an indicative application of HRISs, we formulate and solve the individual channels identification problem for the uplink of multi-user HRIS-empowered systems.
1 code implementation • 24 Oct 2021 • Pei Li, Nir Shlezinger, Haiyang Zhang, Baoyun Wang, Yonina C. Eldar
The common framework for graph signal compression is based on sampling, resulting in a set of continuous-amplitude samples, which in turn have to be quantized into a finite bit representation.
no code implementations • 10 Oct 2021 • Haiyang Zhang, Nir Shlezinger, Francesco Guidi, Davide Dardari, Mohammadreza F Imani, Yonina C Eldar
Radio frequency wireless power transfer (WPT) enables charging low-power mobile devices without relying on wired infrastructure.
no code implementations • 17 Aug 2021 • Haiyang Zhang, Nir Shlezinger, Francesco Guidi, Davide Dardari, Mohammadreza F. Imani, Yonina C. Eldar
Radiating wireless power transfer (WPT) brings forth the possibility to cost-efficiently charge wireless devices without requiring a wiring infrastructure.
no code implementations • 28 Jun 2021 • Satish Mulleti, Haiyang Zhang, Yonina C. Eldar
Typically, Fourier samples of the FRI signals are used for reconstruction.
no code implementations • CVPR 2021 • Haiyang Zhang, XiMing Xing, Liang Liu
Unreliable labels derived from large-scale dataset prevent neural networks from fully exploring the data.
no code implementations • 27 May 2021 • Haiyang Zhang, Nir Shlezinger, Francesco Guidi, Davide Dardari, Mohammadreza F. Imani, Yonina C. Eldar
As the ability to achieve beam focusing is dictated by the transmit antenna, we study near-field signaling considering different antenna structures, including fully-digital architectures, hybrid phase shifter-based precoders, and the emerging dynamic metasurface antenna (DMA) architecture for massive MIMO arrays.
no code implementations • 15 Feb 2021 • Haiyang Zhang, Ivan Ganchev, Nikola S. Nikolov, Mark Stevenson
We compare the effectiveness of UserReg with three linear CF models that are widely-used as baselines, and with a set of recently proposed complex models that are based on deep learning or graph techniques.
no code implementations • 1 Jan 2021 • Haiyang Zhang, Jiaming Duan, Liang Liu
After that, with the message-passing mechanism, CKEM selects and transfers relevant knowledge from external semantic knowledge bank to original visual-based class representations in Knowledge Fusion Model(KFM).
1 code implementation • Asian Chapter of the Association for Computational Linguistics 2020 • Haiyang Zhang, Alison Sneyd, Mark Stevenson
It has been shown that word embeddings can exhibit gender bias, and various methods have been proposed to quantify this.
no code implementations • 22 Sep 2020 • Danqing Zhang, Tao Li, Haiyang Zhang, Bing Yin
Our contributions are two-factored: (1) we introduce a new state-of-the-art classifier that uses label attention with RoBERTa and combine it with our augmentation framework for further improvement; (2) we present a broad study on how effective are different augmentation methods in the XMC task.