no code implementations • 8 Aug 2024 • Yixuan Guo, Qingwei Jiang, Mengyuan Xu, Wen Fang, Qingwen Liu, Gang Yan, Qunhui Yang, Hai Lu
The rapid advancement of the next generation of communications and internet of things (IoT) technologies has made the provision of location-based services for diverse devices an increasingly pressing necessity.
1 code implementation • 30 May 2024 • Kai Wu, Boyuan Jiang, Zhengkai Jiang, Qingdong He, Donghao Luo, Shengzhi Wang, Qingwen Liu, Chengjie Wang
Multimodal large language models (MLLMs) contribute a powerful mechanism to understanding visual information building on large language models.
1 code implementation • 4 Oct 2023 • Zejun Li, Ye Wang, Mengfei Du, Qingwen Liu, Binhao Wu, Jiwen Zhang, Chengxing Zhou, Zhihao Fan, Jie Fu, Jingjing Chen, Xuanjing Huang, Zhongyu Wei
Recent years have witnessed remarkable progress in the development of large vision-language models (LVLMs).
no code implementations • 10 Jul 2023 • Longbin Li, Chao Zhang, Sen Li, Yun Zhong, Qingwen Liu, Xiaoyi Zeng
Graph-based CF methods improve personalization by modeling collaborative signal within the user click graph.
no code implementations • 23 May 2023 • Zhixuan Zhang, Yuheng Huang, Dan Ou, Sen Li, Longbin Li, Qingwen Liu, Xiaoyi Zeng
As such, the metric of a pre-ranking model follows the ranking model using Area Under ROC (AUC) for offline evaluation.
no code implementations • 10 Apr 2023 • Xiaoyang Zheng, Fuyu Lv, Zilong Wang, Qingwen Liu, Xiaoyi Zeng
E-commerce search engines comprise a retrieval phase and a ranking phase, where the first one returns a candidate product set given user queries.
no code implementations • 29 Mar 2023 • Mingqing Liu, Fei Gao, Zhuangzhuang Cui, Sofie Pollin, Qingwen Liu
Joint communication and sensing (JCAS) technology has been regarded as one of the innovations in the 6G network.
no code implementations • 30 Jan 2023 • Xiaoyang Zheng, Zilong Wang, Ke Xu, Sen Li, Tao Zhuang, Qingwen Liu, Xiaoyi Zeng
Given a user query, the retrieval phase returns a subset of candidate products for the following ranking phase.
no code implementations • 2 Dec 2022 • Mengyuan Xu, Mingqing Liu, Qingwei Jiang, Wen Fang, Qingwen Liu, Shengli Zhou
To exhibit the localization mechanism, we first elaborate on the binocular localization model, including the resonant beam transmission analysis and the geometric derivation of the binocular method with RBS.
no code implementations • 9 Oct 2022 • Yukun Zheng, Jiang Bian, Guanghao Meng, Chao Zhang, Honggang Wang, Zhixuan Zhang, Sen Li, Tao Zhuang, Qingwen Liu, Xiaoyi Zeng
These problems promote us to further strengthen the capabilities of our EBR model in both relevance estimation and personalized retrieval.
no code implementations • 29 Sep 2022 • Wen Fang, Yunfeng Bai, Qingwen Liu, Shengli Zhou
To satisfy the long-range and energy self-sustaining communication needs of electronic devices in the Internet of Things (IoT), we introduce a simultaneous wireless information and power transfer (SWIPT) system using the resonant beam that incorporates a telescope modulator inside a cavity for suppressing diffraction losses.
no code implementations • 23 Jun 2022 • Xufeng Qian, Yue Xu, Fuyu Lv, Shengyu Zhang, Ziwen Jiang, Qingwen Liu, Xiaoyi Zeng, Tat-Seng Chua, Fei Wu
RSs typically put a large number of items into one page to reduce excessive resource consumption from numerous paging requests, which, however, would diminish the RSs' ability to timely renew the recommendations according to users' real-time interest and lead to a poor user experience.
1 code implementation • 29 Mar 2022 • Zhifang Fan, Dan Ou, Yulong Gu, Bairan Fu, Xiang Li, Wentian Bao, Xin-yu Dai, Xiaoyi Zeng, Tao Zhuang, Qingwen Liu
In this paper, we propose a new perspective for context-aware users' behavior modeling by including the whole page-wisely exposed products and the corresponding feedback as contextualized page-wise feedback sequence.
no code implementations • 2 Mar 2022 • Mingliang Xiong, Shun Han, Qingwen Liu, Shengli Zhou
However, this system has problems such as intra-cavity echo interference and power fluctuation.
1 code implementation • 21 Feb 2022 • Sihao Hu, Yi Cao, Yu Gong, Zhao Li, Yazheng Yang, Qingwen Liu, Shouling Ji
Specifically, we establish a heterogeneous graph that contains physical and semantic linkages to guide the feature transfer process from warmed-up video to cold-start videos.
no code implementations • 9 Oct 2021 • Mingliang Xiong, Qingwen Liu, Shengli Zhou
It has been proposed as the carrier of wireless charging and communication.
no code implementations • 20 Jul 2021 • Mingliang Xiong, Qingwen Liu, Shengli Zhou, Shun Han, Mingqing Liu
The increasing demands of power supply and data rate for mobile devices promote the research of simultaneous wireless information and power transfer (SWIPT).
no code implementations • 11 Jul 2021 • Zheyi Ma, Hao Li, Wen Fang, Qingwen Liu, Bin Zhou, Zhiyong Bu
Then, a mobile detection model based on a multi-task cascaded convolutional network (MTCNN) is proposed to realize face alignment and mask detection on the RGB images.
no code implementations • 25 Jun 2021 • Mingliang Xiong, Qingwen Liu, Gang Wang, Georgios B. Giannakis, Sihai Zhang, Jinkang Zhu, Chuan Huang
Resonant beam communications (RBCom) is capable of providing wide bandwidth when using light as the carrier.
no code implementations • 21 Jun 2021 • Mingliang Xiong, Qingwen Liu, Xin Wang, Shengli Zhou, Bin Zhou, Zhiyong Bu
In this paper, we propose an intra-cavity SHG RBCom system to simplify the system design and improve the energy conversion efficiency.
no code implementations • 10 Jun 2021 • Wen Fang, Hao Deng, Qingwen Liu, Mingqing Liu, Mengyuan Xu, Liuqing Yang, Georgios B. Giannakis
Integrating the wireless power transfer (WPT) technology into the wireless communication system has been important for operational cost saving and power-hungry problem solving of electronic devices.
no code implementations • 24 May 2021 • Qingwen Liu, Mingqing Xiong, Mingqing Liu, Qingwei Jiang, Wen Fang, Yunfeng Bai
In this paper, inspired by the features of optical resonators and retroreflectors, we develop an experiment on a self-aligned resonant beam charging system for long-distance mobile power transfer.
no code implementations • 2 Apr 2021 • Yufei Feng, Binbin Hu, Yu Gong, Fei Sun, Qingwen Liu, Wenwu Ou
Specifically, we first design the evaluator, which applies Bi-LSTM and self-attention mechanism to model the contextual information in the labeled final ranking list and predict the interaction probability of each item more precisely.
no code implementations • 18 Feb 2021 • Mingqing Liu, Mingliang Xiong, Qingwen Liu
Simultaneous lightwave information and power transfer (SLIPT) has been regarded as a promising technology to deal with the ever-growing energy consumption and data-rate demands in the Internet of Things (IoT).
no code implementations • 30 Jan 2021 • Mingliang Xiong, Mingqing Liu, Qingwei Jiang, Jie zhou, Qingwen Liu, Hao Deng
Optical wireless communications (OWC) utilizing infrared or visible light as the carrier attracts great attention in 6G research.
no code implementations • 8 Jan 2021 • Runsheng Yu, Yu Gong, Rundong Wang, Bo An, Qingwen Liu, Wenwu Ou
Firstly, we introduce a novel training scheme with two value functions to maximize the accumulated long-term reward under the safety constraint.
no code implementations • 22 Dec 2020 • Runsheng Yu, Yu Gong, Xu He, Bo An, Yu Zhu, Qingwen Liu, Wenwu Ou
Recently, many existing studies regard the cold-start personalized preference prediction as a few-shot learning problem, where each user is the task and recommended items are the classes, and the gradient-based meta learning method (MAML) is leveraged to address this challenge.
no code implementations • 13 Aug 2020 • Yufei Feng, Fuyu Lv, Binbin Hu, Fei Sun, Kun Kuang, Yang Liu, Qingwen Liu, Wenwu Ou
In this paper, we propose a new framework named Multiplex Target-Behavior Relation enhanced Network (MTBRN) to leverage multiplex relations between user behaviors and target item to enhance CTR prediction.
no code implementations • 25 May 2020 • Yufei Feng, Binbin Hu, Fuyu Lv, Qingwen Liu, Zhiqiang Zhang, Wenwu Ou
Specifically, to associate the given target item with user behaviors over KG, we propose the graph connect and graph prune techniques to construct adaptive target-behavior relational graph.
no code implementations • 18 May 2020 • Yu Gong, Ziwen Jiang, Yufei Feng, Binbin Hu, Kaiqi Zhao, Qingwen Liu, Wenwu Ou
Recommender system (RS) has become a crucial module in most web-scale applications.
no code implementations • 19 Apr 2020 • Hao Li, Aozhou Wu, Wen Fang, Qingqing Zhang, Mingqing Liu, Qingwen Liu, Wei Chen
The proposed approach makes the object detection much easier to be transplanted on mobile devices and reduce the burden of hardware computation.
no code implementations • 18 Apr 2020 • Mingliang Xiong, Qingwen Liu, Gang Wang, Georgios B. Giannakis, Chuan Huang
Wireless optical communications (WOC) has carriers up to several hundred terahertz, which offers several advantages, such as ultrawide bandwidth and no electromagnetic interference.
1 code implementation • 24 Jun 2019 • Yu Zhu, Yu Gong, Qingwen Liu, Yingcai Ma, Wenwu Ou, Junxiong Zhu, Beidou Wang, Ziyu Guan, Deng Cai
A novel query-based interactive recommender system is proposed in this paper, where \textbf{personalized questions are accurately generated from millions of automatically constructed questions} in Step 1, and \textbf{the recommendation is ensured to be closely-related to users' feedback} in Step 2.
1 code implementation • 17 May 2019 • Yu Gong, Yu Zhu, Lu Duan, Qingwen Liu, Ziyu Guan, Fei Sun, Wenwu Ou, Kenny Q. Zhu
This paper targets to a novel but practical recommendation problem named exact-K recommendation.
no code implementations • 3 Feb 2018 • Mingqing Liu, Qingwen Liu, Mingliang Xiong, Hao Deng, Xinhe Wang
We propose here the next generation of power delivery network -- mobile power network (MPN) for wireless power transfer within a mobile range from several meters to tens of meters.