1 code implementation • COLING 2022 • Libo Qin, Qiguang Chen, Tianbao Xie, Qian Liu, Shijue Huang, Wanxiang Che, Zhou Yu
Consistency identification in task-oriented dialog (CI-ToD) usually consists of three subtasks, aiming to identify inconsistency between current system response and current user response, dialog history and the corresponding knowledge base.
no code implementations • EMNLP 2020 • Yuntao Li, Bei Chen, Qian Liu, Yan Gao, Jian-Guang Lou, Yan Zhang, Dongmei Zhang
In Natural Language Interfaces to Databases systems, the text-to-SQL technique allows users to query databases by using natural language questions.
1 code implementation • EMNLP 2020 • Jiaqi Guo, Qian Liu, Jian-Guang Lou, Zhenwen Li, Xueqing Liu, Tao Xie, Ting Liu
Thus, the impact of meaning representation on semantic parsing is less understood.
no code implementations • LREC 2022 • Erik Cambria, Qian Liu, Sergio Decherchi, Frank Xing, Kenneth Kwok
In recent years, AI research has demonstrated enormous potential for the benefit of humanity and society.
no code implementations • 22 Feb 2023 • Honghao Luo, Rang Liu, Ming Li, Qian Liu
Integrated sensing and communication (ISAC) has been envisioned as a promising technique to alleviate the spectrum congestion problem.
no code implementations • 21 Feb 2023 • Qi Zhu, Ming Li, Rang Liu, Qian Liu
Integrated sensing and communication (ISAC) is recognized as a promising technology with great potential in saving hardware and spectrum resources, since it simultaneously realizes radar detection and user communication functions in the fully-shared platform.
no code implementations • 9 Feb 2023 • Weichen Yu, Tianyu Pang, Qian Liu, Chao Du, Bingyi Kang, Yan Huang, Min Lin, Shuicheng Yan
With the advance of language models, privacy protection is receiving more attention.
no code implementations • 26 Jan 2023 • Rang Liu, Ming Li, Qian Liu, A. Lee Swindlehurst
Two optimization problems are formulated for maximizing the achievable sum-rate of the multi-user communications under an SNR constraint for target detection or a CRB constraint for parameter estimation, the transmit power budget, and the unit-modulus constraint of the RIS reflection coefficients.
1 code implementation • 9 Jan 2023 • Loubna Ben allal, Raymond Li, Denis Kocetkov, Chenghao Mou, Christopher Akiki, Carlos Munoz Ferrandis, Niklas Muennighoff, Mayank Mishra, Alex Gu, Manan Dey, Logesh Kumar Umapathi, Carolyn Jane Anderson, Yangtian Zi, Joel Lamy Poirier, Hailey Schoelkopf, Sergey Troshin, Dmitry Abulkhanov, Manuel Romero, Michael Lappert, Francesco De Toni, Bernardo García del Río, Qian Liu, Shamik Bose, Urvashi Bhattacharyya, Terry Yue Zhuo, Ian Yu, Paulo Villegas, Marco Zocca, Sourab Mangrulkar, David Lansky, Huu Nguyen, Danish Contractor, Luis Villa, Jia Li, Dzmitry Bahdanau, Yacine Jernite, Sean Hughes, Daniel Fried, Arjun Guha, Harm de Vries, Leandro von Werra
The BigCode project is an open-scientific collaboration working on the responsible development of large language models for code.
no code implementations • 1 Dec 2022 • Jinjin Chu, Rang Liu, Ming Li, Yang Liu, Qian Liu
Integrated sensing and communication (ISAC), which allows individual radar and communication systems to share the same spectrum bands, is an emerging and promising technique for alleviating spectrum congestion problems.
2 code implementations • 26 Oct 2022 • Jianan Zhao, Meng Qu, Chaozhuo Li, Hao Yan, Qian Liu, Rui Li, Xing Xie, Jian Tang
In this paper, we propose an efficient and effective solution to learning on large text-attributed graphs by fusing graph structure and language learning with a variational Expectation-Maximization (EM) framework, called GLEM.
Ranked #1 on
Node Property Prediction
on ogbn-arxiv
no code implementations • 25 Oct 2022 • Rang Liu, Zhu Bo, Ming Li, Qian Liu
To overcome the performance bottleneck of these approaches, in this letter we propose an end-to-end learning based approach to jointly optimize the modulation orders, the transmit precoding and the receive detection for an SLP communication system.
no code implementations • 11 Oct 2022 • Fan Zhou, Haoyu Dong, Qian Liu, Zhoujun Cheng, Shi Han, Dongmei Zhang
Numerical reasoning over natural language has been a long-standing goal for the research community.
1 code implementation • 11 Oct 2022 • JunJie Huang, Wanjun Zhong, Qian Liu, Ming Gong, Daxin Jiang, Nan Duan
However, training an effective dense table-text retriever is difficult due to the challenges of table-text discrepancy and data sparsity problem.
no code implementations • 5 Oct 2022 • Qi Zhu, Ming Li, Rang Liu, Yang Liu, Qian Liu
Affected by the "double fading" effect, however, conventional passive RIS cannot bring considerable performance improvement when users are not close enough to RIS.
no code implementations • 5 Sep 2022 • Yanan Ma, Ming Li, Yang Liu, Qingqing Wu, Qian Liu
Reconfigurable intelligent surface (RIS) has been deemed as one of potential components of future wireless communication systems because it can adaptively manipulate the wireless propagation environment with low-cost passive devices.
no code implementations • 1 Sep 2022 • Wenhao Cai, Ming Li, Yang Liu, Qingqing Wu, Qian Liu
Intelligent reflecting surface (IRS) has been widely considered as one of the key enabling techniques for future wireless communication networks owing to its ability of dynamically controlling the phase shift of reflected electromagnetic (EM) waves to construct a favorable propagation environment.
no code implementations • 1 Sep 2022 • Wenhao Cai, Ming Li, Qian Liu
Intelligent reflecting surface (IRS) has emerged as a promising and revolutionizing technology for future wireless networks.
no code implementations • 29 Aug 2022 • Bill Yuchen Lin, Chengsong Huang, Qian Liu, Wenda Gu, Sam Sommerer, Xiang Ren
Language models (LMs) have demonstrated their capability in possessing commonsense knowledge of the physical world, a crucial aspect of performing tasks in everyday life.
no code implementations • 10 Aug 2022 • Pengfei Ni, Ming Li, Rang Liu, Qian Liu
Cell-free networks are regarded as a promising technology to meet higher rate requirements for beyond fifth-generation (5G) communications.
no code implementations • 10 Aug 2022 • Pengfei Ni, Rang Liu, Ming Li, Qian Liu
In an effort to further exploit multiple-antenna diversities, we also consider the dynamic subarray architecture and propose a novel antenna design algorithm for the analog beamforming design.
no code implementations • 3 Aug 2022 • Honghao Luo, Rang Liu, Ming Li, Yang Liu, Qian Liu
Integrated sensing and communication (ISAC) has been envisioned as a promising technology to tackle the spectrum congestion problem for future networks.
no code implementations • 17 Jun 2022 • Rang Liu, Ming Li, Honghao Luo, Qian Liu, A. Lee Swindlehurst
Integrated sensing and communication (ISAC) is emerging as a key enabler to address the growing spectrum congestion problem and satisfy increasing demands for ubiquitous sensing and communication.
no code implementations • 13 Apr 2022 • Wenhao Cai, Rang Liu, Ming Li, Yang Liu, Qingqing Wu, Qian Liu
Intelligent reflecting surface (IRS) has been regarded as a promising and revolutionary technology for future wireless communication systems owing to its capability of tailoring signal propagation environment in an energy/spectrum/hardware-efficient manner.
no code implementations • 7 Mar 2022 • Shengnan An, Yifei Li, Zeqi Lin, Qian Liu, Bei Chen, Qiang Fu, Weizhu Chen, Nanning Zheng, Jian-Guang Lou
This motivates us to propose input-tuning, which fine-tunes both the continuous prompts and the input representations, leading to a more effective way to adapt unfamiliar inputs to frozen PLMs.
1 code implementation • 27 Jan 2022 • Xinyu Pi, Qian Liu, Bei Chen, Morteza Ziyadi, Zeqi Lin, Qiang Fu, Yan Gao, Jian-Guang Lou, Weizhu Chen
Reasoning over natural language is a long-standing goal for the research community.
Ranked #2 on
Question Answering
on DROP Test
(using extra training data)
2 code implementations • 20 Jan 2022 • Qi Shi, Qian Liu, Bei Chen, Yu Zhang, Ting Liu, Jian-Guang Lou
In this work, we propose LEMON, a general framework for language-based environment manipulation tasks.
no code implementations • 15 Jan 2022 • Wanjun Zhong, JunJie Huang, Qian Liu, Ming Zhou, Jiahai Wang, Jian Yin, Nan Duan
CARP utilizes hybrid chain to model the explicit intermediate reasoning process across table and text for question answering.
Ranked #2 on
Question Answering
on OTT-QA
no code implementations • 27 Dec 2021 • Qian Liu, Yongpeng Li, Zhihang Wang
In computer vision, image processing and computer graphics, image smoothing filtering is a very basic and important task and to be expected possessing good edge-preserving smoothing property.
no code implementations • 16 Dec 2021 • Rang Liu, Ming Li, Yang Liu, Qingqing Wu, Qian Liu
Reconfigurable intelligent surface (RIS) is a promising technology for 6G networks owing to its superior ability to enhance the capacity and coverage of wireless communications by smartly creating a favorable propagation environment.
no code implementations • 17 Nov 2021 • Xinxing Wu, Tao Wang, Qian Liu, Peide Liu, Guanrong Chen, Xu Zhang
By introducing a new operator for IFVs via the linear order based on a score function and an accuracy function, we show that such an operator is a strong negation on IFVs.
no code implementations • 28 Sep 2021 • Yiyu Liu, Qian Liu, Yu Tian, Changping Wang, Yanan Niu, Yang song, Chenliang Li
In this paper, we propose a novel concept-aware denoising graph neural network (named CONDE) for micro-video recommendation.
1 code implementation • Findings (ACL) 2021 • Qian Liu, Dejian Yang, Jiahui Zhang, Jiaqi Guo, Bin Zhou, Jian-Guang Lou
Recent years pretrained language models (PLMs) hit a success on several downstream tasks, showing their power on modeling language.
no code implementations • 11 Aug 2021 • Rang Liu, Ming Li, Qian Liu, A. Lee Swindlehurst
In this paper, we consider multi-input multi-output (MIMO) DFRC systems and focus on transmit beamforming designs to provide both radar sensing and multi-user communications.
1 code implementation • ACL 2021 • Shuang Chen, Qian Liu, Zhiwei Yu, Chin-Yew Lin, Jian-Guang Lou, Feng Jiang
We present Retriever-Transducer-Checker (ReTraCk), a neural semantic parsing framework for large scale knowledge base question answering (KBQA).
Ranked #1 on
Knowledge Base Question Answering
on GrailQA
no code implementations • ACL 2021 • Jiaqi Guo, Ziliang Si, Yu Wang, Qian Liu, Ming Fan, Jian-Guang Lou, Zijiang Yang, Ting Liu
However, we identify two biases in existing datasets for XDTS: (1) a high proportion of context-independent questions and (2) a high proportion of easy SQL queries.
no code implementations • 24 Jul 2021 • Yanan Ma, Rang Liu, Yang Liu, Ming Li, Qian Liu
Reconfigurable intelligent surfaces (RISs) have been deemed as one of potential components of future wireless communication systems because they can adaptively manipulate the wireless propagation environment with low-cost passive devices.
1 code implementation • ICLR 2022 • Qian Liu, Bei Chen, Jiaqi Guo, Morteza Ziyadi, Zeqi Lin, Weizhu Chen, Jian-Guang Lou
TAPEX addresses the data scarcity challenge via guiding the language model to mimic a SQL executor on the diverse, large-scale and high-quality synthetic corpus.
Ranked #1 on
Semantic Parsing
on WikiSQL
(Denotation accuracy (test) metric)
2 code implementations • Findings (ACL) 2021 • Chenyao Liu, Shengnan An, Zeqi Lin, Qian Liu, Bei Chen, Jian-Guang Lou, Lijie Wen, Nanning Zheng, Dongmei Zhang
In this paper, we propose LeAR, an end-to-end neural model to learn algebraic recombination for compositional generalization.
no code implementations • 27 Jun 2021 • Sifan Liu, Pengfei Ni, Rang Liu, Yang Liu, Ming Li, Qian Liu
During the dynamical access process, an iterative algorithm is proposed to alternatively obtain the active and passive beamforming.
no code implementations • 16 Feb 2021 • Mengzhi Wu, Qian Liu, Ping Li, Shi Chen, Binlong Wang, Wenhan Shen, Shiping Chen, Yangheng Zheng, Yigang Xie, Jin Li
The IBF and the transparent rate of electrons are two essential indicators of TPC, which affect the energy resolution and counting rate respectively.
Instrumentation and Detectors High Energy Physics - Experiment
no code implementations • 5 Jan 2021 • Wenhao Cai, Rang Liu, Yang Liu, Ming Li, Qian Liu
Therefore, the practical phase shift model, which can describe the difference of IRS phase shift responses for the signals with different frequencies, should be utilized in the IRS optimization for wideband and multi-band systems.
no code implementations • 25 Dec 2020 • Wanning Yang, Hongyu Li, Ming Li, Yang Liu, Qian Liu
Different from the prior works which assume that IRS has an ideal reflection model, we perform channel estimation by considering amplitude-phase shift-frequency relationship for the response of practical IRS.
1 code implementation • 9 Nov 2020 • Yuntao Li, Bei Chen, Qian Liu, Yan Gao, Jian-Guang Lou, Yan Zhang, Dongmei Zhang
In Natural Language Interfaces to Databases systems, the text-to-SQL technique allows users to query databases by using natural language questions.
1 code implementation • EMNLP 2020 • Qian Liu, Bei Chen, Jian-Guang Lou, Bin Zhou, Dongmei Zhang
Recent years the task of incomplete utterance rewriting has raised a large attention.
Ranked #1 on
Dialogue Rewriting
on Rewrite
no code implementations • 29 Jul 2020 • Rang Liu, Ming Li, Qian Liu, A. Lee Swindlehurst, Qingqing Wu
Intelligent reflecting surfaces (IRS) have been proposed as a revolutionary technology owing to its capability of adaptively reconfiguring the propagation environment in a cost-effective and hardware-efficient fashion.
no code implementations • 26 Jul 2020 • Hongyu Li, Wenhao Cai, Yang Liu, Ming Li, Qian Liu, Qingqing Wu
Simulation results demonstrate that the proposed algorithm can offer significant average sum-rate enhancement compared to that achieved using the ideal IRS reflection model, which confirms the importance of the use of the practical model for the design of wideband systems.
1 code implementation • NeurIPS 2020 • Qian Liu, Shengnan An, Jian-Guang Lou, Bei Chen, Zeqi Lin, Yan Gao, Bin Zhou, Nanning Zheng, Dongmei Zhang
Compositional generalization is a basic and essential intellective capability of human beings, which allows us to recombine known parts readily.
no code implementations • 2 Jun 2020 • Jie Cai, Zhengzhou Zhu, Ping Nie, Qian Liu
In this paper, inspired by the observation that most probing tasks involve identifying matched pairs of phrases (e. g. coreference requires matching an entity and a pronoun), we propose a pairwise probe to understand BERT fine-tuning on the machine reading comprehension (MRC) task.
no code implementations • 2 Jun 2020 • Wenhao Cai, Hongyu Li, Ming Li, Qian Liu
In this letter, we aim to investigate the phase-amplitude-frequency relationship of the reflected signals and propose a practical model of reflection coefficient for an IRS-aided wideband system.
1 code implementation • ACL 2020 • Qian Liu, Yihong Chen, Bei Chen, Jian-Guang Lou, Zixuan Chen, Bin Zhou, Dongmei Zhang
Despite the continuing efforts to improve the engagingness and consistency of chit-chat dialogue systems, the majority of current work simply focus on mimicking human-like responses, leaving understudied the aspects of modeling understanding between interlocutors.
Ranked #2 on
Dialogue Generation
on Persona-Chat
no code implementations • 8 Feb 2020 • Qian Liu, Tao Wang, Jie Liu, Yang Guan, Qi Bu, Longfei Yang
In order to learn powerful feature of videos, we propose a Collaborative Temporal Modeling (CTM) block (Figure 1) to learn temporal information for action recognition.
no code implementations • 7 Feb 2020 • Qian Liu, Dongyang Cai, Jie Liu, Nan Ding, Tao Wang
The standard non-local (NL) module is effective in aggregating frame-level features on the task of video classification but presents low parameters efficiency and high computational cost.
1 code implementation • 3 Feb 2020 • Qian Liu, Bei Chen, Jiaqi Guo, Jian-Guang Lou, Bin Zhou, Dongmei Zhang
Recently semantic parsing in context has received considerable attention, which is challenging since there are complex contextual phenomena.
1 code implementation • 3 Dec 2019 • Martino Sorbaro, Qian Liu, Massimo Bortone, Sadique Sheik
We demonstrate first that quantization-aware training of CNNs leads to better accuracy in SNNs.
no code implementations • IJCNLP 2019 • Haoyan Liu, Lei Fang, Qian Liu, Bei Chen, Jian-Guang Lou, Zhoujun Li
One key component in text-to-SQL is to predict the comparison relations between columns and their values.
1 code implementation • IJCNLP 2019 • Qian Liu, Bei Chen, Haoyan Liu, Lei Fang, Jian-Guang Lou, Bin Zhou, Dongmei Zhang
To leverage the advances in context-independent semantic parsing, we propose to perform follow-up query analysis, aiming to restate context-dependent natural language queries with contextual information.
no code implementations • 3 Sep 2019 • Rang Liu, Hongyu Li, Ming Li, Qian Liu
In this paper we investigate the problem of precoder design for a low-resolution IRS-based transmitter to implement multi-user MISO/MIMO wireless communications.
1 code implementation • 24 Jan 2019 • Qian Liu, Bei Chen, Jian-Guang Lou, Ge Jin, Dongmei Zhang
NLIDB allow users to search databases using natural language instead of SQL-like query languages.
1 code implementation • COLING 2018 • Qian Liu, He-Yan Huang, Yang Gao, Xiaochi Wei, Yuxin Tian, Luyang Liu
In this paper, we propose a task-oriented word embedding method and apply it to the text classification task.
Ranked #21 on
Text Classification
on AG News
no code implementations • 31 Mar 2017 • Qian Liu, Yunhua Chen, Steve Furber
We extended the work of proposed activation function, Noisy Softplus, to fit into training of layered up spiking neural networks (SNNs).
no code implementations • 11 Jul 2014 • Qian Liu, Guanhua Chen, Michael R. Kosorok, Eric Bair
This framework can be used to identify biclusters that differ with respect to the means of the features, the variance of the features, or more general differences.