no code implementations • 17 Dec 2024 • Hanyu Zhang, Boyu Qiu, Yuhao Feng, Shuqi Li, Qian Ma, Xiyuan Zhang, Qiang Ju, Dong Yan, Jian Xie
Large language models (LLMs) have demonstrated strong capabilities in language understanding, generation, and reasoning, yet their potential in finance remains underexplored due to the complexity and specialization of financial knowledge.
no code implementations • 6 Dec 2024 • Luca Masserano, Abdul Fatir Ansari, Boran Han, Xiyuan Zhang, Christos Faloutsos, Michael W. Mahoney, Andrew Gordon Wilson, Youngsuk Park, Syama Rangapuram, Danielle C. Maddix, Yuyang Wang
To address this question, we develop WaveToken, a wavelet-based tokenizer that allows models to learn complex representations directly in the space of time-localized frequencies.
1 code implementation • 18 Oct 2024 • Xiyuan Zhang, Diyan Teng, Ranak Roy Chowdhury, Shuheng Li, Dezhi Hong, Rajesh K. Gupta, Jingbo Shang
Motion time series collected from mobile and wearable devices such as smartphones and smartwatches offer significant insights into human behavioral patterns, with wide applications in healthcare, automation, IoT, and AR/XR due to their low-power, always-on nature.
5 code implementations • 12 Mar 2024 • Abdul Fatir Ansari, Lorenzo Stella, Caner Turkmen, Xiyuan Zhang, Pedro Mercado, Huibin Shen, Oleksandr Shchur, Syama Sundar Rangapuram, Sebastian Pineda Arango, Shubham Kapoor, Jasper Zschiegner, Danielle C. Maddix, Hao Wang, Michael W. Mahoney, Kari Torkkola, Andrew Gordon Wilson, Michael Bohlke-Schneider, Yuyang Wang
We introduce Chronos, a simple yet effective framework for pretrained probabilistic time series models.
1 code implementation • 2 Feb 2024 • Xiyuan Zhang, Ranak Roy Chowdhury, Rajesh K. Gupta, Jingbo Shang
Large Language Models (LLMs) have seen significant use in domains such as natural language processing and computer vision.
no code implementations • 12 Nov 2023 • Xiyuan Zhang, Xiaohan Fu, Diyan Teng, chengyu dong, Keerthivasan Vijayakumar, Jiayun Zhang, Ranak Roy Chowdhury, Junsheng Han, Dezhi Hong, Rashmi Kulkarni, Jingbo Shang, Rajesh Gupta
By obviating the need for ground truth clean data, our method offers a practical denoising solution for real-world applications.
1 code implementation • AAAI Conference on Artificial Intelligence 2023 • Ranak Roy Chowdhury, Jiacheng Li, Xiyuan Zhang, Dezhi Hong, Rajesh K. Gupta, Jingbo Shang
In this work, we propose PrimeNet to learn a self-supervised representation for irregular multivariate time series.
1 code implementation • 24 Mar 2023 • Xiyuan Zhang, Ranak Roy Chowdhury, Jingbo Shang, Rajesh Gupta, Dezhi Hong
We note that augmentation designed for forecasting requires diversity as well as coherence with the original temporal dynamics.
1 code implementation • 17 Jan 2023 • Xiaofan Yu, Ludmila Cherkasova, Harsh Vardhan, Quanling Zhao, Emily Ekaireb, Xiyuan Zhang, Arya Mazumdar, Tajana Rosing
To fully unleash the potential of Async-HFL in converging speed under system heterogeneities and stragglers, we design device selection at the gateway level and device-gateway association at the cloud level.
1 code implementation • 1 Jan 2023 • Jiayun Zhang, Xiyuan Zhang, Xinyang Zhang, Dezhi Hong, Rajesh K. Gupta, Jingbo Shang
Traditional federated classification methods, even those designed for non-IID clients, assume that each client annotates its local data with respect to the same universal class set.
no code implementations • 1 Jan 2023 • Xiyuan Zhang, Ranak Roy Chowdhury, Jiayun Zhang, Dezhi Hong, Rajesh K. Gupta, Jingbo Shang
In this paper, we propose SHARE, a HAR framework that takes into account shared structures of label names for different activities.
1 code implementation • 15 Dec 2022 • Xiyuan Zhang, Xiaoyong Jin, Karthick Gopalswamy, Gaurav Gupta, Youngsuk Park, Xingjian Shi, Hao Wang, Danielle C. Maddix, Yuyang Wang
Transformer-based models have gained large popularity and demonstrated promising results in long-term time-series forecasting in recent years.
no code implementations • 23 Dec 2021 • Xin Tian, Xinxian Huang, Dongfeng He, Yingzhan Lin, Siqi Bao, Huang He, Liankai Huang, Qiang Ju, Xiyuan Zhang, Jian Xie, Shuqi Sun, Fan Wang, Hua Wu, Haifeng Wang
Task-oriented dialogue systems have been plagued by the difficulties of obtaining large-scale and high-quality annotated conversations.
no code implementations • 25 Nov 2019 • Xiyuan Zhang, Chengxi Li, Dian Yu, Samuel Davidson, Zhou Yu
We then train a prediction model using both utterances containing ellipsis and our automatically completed utterances.
1 code implementation • WS 2019 • Hongyu Li, Xiyuan Zhang, Yibing Liu, Yiming Zhang, Quan Wang, Xiangyang Zhou, Jing Liu, Hua Wu, Haifeng Wang
In this paper, we introduce a simple system Baidu submitted for MRQA (Machine Reading for Question Answering) 2019 Shared Task that focused on generalization of machine reading comprehension (MRC) models.
no code implementations • 25 Sep 2019 • Xiyuan Zhang, Yang Yuan, Piotr Indyk
The edit distance between two sequences is an important metric with many applications.
no code implementations • ACL 2019 • Wenquan Wu, Zhen Guo, Xiangyang Zhou, Hua Wu, Xiyuan Zhang, Rongzhong Lian, Haifeng Wang
Konv enables a very challenging task as the model needs to both understand dialogue and plan over the given knowledge graph.
no code implementations • 28 Jun 2019 • Kaiqi Zhang, Xiyuan Zhang, Zheng Zhang
This paper presents an hardware accelerator for a classical tensor computation framework, Tucker decomposition.
Signal Processing Hardware Architecture
8 code implementations • 13 Jun 2019 • Wenquan Wu, Zhen Guo, Xiangyang Zhou, Hua Wu, Xiyuan Zhang, Rongzhong Lian, Haifeng Wang
DuConv enables a very challenging task as the model needs to both understand dialogue and plan over the given knowledge graph.