Publications (40)
An alternative paradigm of fault diagnosis in dynamic systems: orthogonal projection-based methods
Steven X. Ding, Linlin Li, Tianyu Liu
In this paper, we propose a new paradigm of fault diagnosis in dynamic systems as an alternative to the well-established observer-based framework. The basic idea behind this work i…
LongSafety: Enhance Safety for Long-Context LLMs
Mianqiu Huang, Xiaoran Liu, Shaojun Zhou +11
Recent advancements in model architectures and length extrapolation techniques have significantly extended the context length of large language models (LLMs), paving the way for th…
Beyond Homogeneous Attention: Memory-Efficient LLMs via Fourier-Approximated KV Cache
Xiaoran Liu, Siyang He, Qiqi Wang +9
Large Language Models struggle with memory demands from the growing Key-Value (KV) cache as context lengths increase. Existing compression methods homogenize head dimensions or rel…
The measurement of masses of OB-type stars from LAMOST DR5
Zhenyan Huo, Zhicun Liu, Wenyuan Cui +5
The measurements of masses and luminosities of massive stars play an important role in understanding the formation and evolution of their host galaxies. In this work, we present th…
The Galactic extinction and reddening from the South Galactic Cap U-band Sky Survey: u band galaxy number counts and color distribution
Linlin Li, Shiyin Shen, Jinliang Hou +19
We study the integral Galactic extinction and reddening based on the galaxy catalog of the South Galactic Cap U-band Sky Survey (SCUSS), where band galaxy number counts and $u-…
The Optical Variability of SDSS Quasars from Multi-epoch Spectroscopy. III. A Sudden UV Cutoff in Quasar SDSS J2317+0005
Hengxiao Guo, Matthew A. Malkan, Minfeng Gu +6
We have collected near-infrared to X-ray data of 20 multi-epoch heavily reddened SDSS quasars to investigate the physical mechanism of reddening. Of these, J2317+0005 is found to b…
The system dynamics analysis, resilient and fault-tolerant control for cyber-physical systems
Linlin Li, Steven X. Ding, Liutao Zhou +2
This paper is concerned with the detection, resilient and fault-tolerant control issues for cyber-physical systems. To this end, the impairment of system dynamics caused by the def…
PDE-constrained shape registration to characterize biological growth and morphogenesis from imaging data
Aishwarya Pawar, Linlin Li, Arun K Gosain +2
We propose a PDE-constrained shape registration algorithm that captures the deformation and growth of biological tissue from imaging data. Shape registration is the process of eval…
Inverse Doppler Effects in Pipe Instruments
Shilong Zhai, Jing Zhao, Fangliang Shen +2
Music is older than language, and for most of human history music holds our culture together. The pipe instrument is one of the most popular musical instruments of all time. Built…
DyLex: Incorporating Dynamic Lexicons into BERT for Sequence Labeling
Baojun Wang, Zhao Zhang, Kun Xu +7
Incorporating lexical knowledge into deep learning models has been proved to be very effective for sequence labeling tasks. However, previous works commonly have difficulty dealing…
TinyBERT: Distilling BERT for Natural Language Understanding
Xiaoqi Jiao, Yichun Yin, Lifeng Shang +5
Language model pre-training, such as BERT, has significantly improved the performances of many natural language processing tasks. However, pre-trained language models are usually c…
Radial Distributions of Star Formation and Gas-phase Metallicity in Spiral-Elliptical Galaxy Pairs
Cailu Shi, Shuai Feng, Shiyin Shen +3
Using integral field spectroscopy from SDSS-IV MaNGA, we investigate the radial distributions of star formation rate (SFR) and gas-phase metallicity in spiral galaxies that reside…
DetectiveQA: Evaluating Long-Context Reasoning on Detective Novels
Zhe Xu, Jiasheng Ye, Xiaoran Liu +8
Recently, significant efforts have been devoted to enhancing the long-context capabilities of Large Language Models (LLMs), particularly in long-context reasoning. To facilitate th…
NeuFMT: Optical-Property-Adaptive Fluorescence Molecular Tomography via Implicit Neural Representation
Shihan Zhao, Jianru Zhang, Yanan Wu +6
Fluorescence Molecular Tomography (FMT) is a promising technique for non-invasive 3D visualization of fluorescent probes, but its reconstruction remains challenging due to the inhe…
A catalogue of 323 cataclysmic variables from LAMOST DR6
Yongkang Sun, Zhenghao Cheng, Shuo Ye +17
In this work, we present a catalog of cataclysmic variables (CVs) identified from the Sixth Data Release (DR6) of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAM…
Text is no more Enough! A Benchmark for Profile-based Spoken Language Understanding
Xiao Xu, Libo Qin, Kaiji Chen +3
Current researches on spoken language understanding (SLU) heavily are limited to a simple setting: the plain text-based SLU that takes the user utterance as input and generates its…
ReAttention: Training-Free Infinite Context with Finite Attention Scope
Xiaoran Liu, Ruixiao Li, Qipeng Guo +7
The long-context capability of the Large Language Models (LLM) has made significant breakthroughs, but the maximum supported context length in length extrapolation remains a critic…
Efficient Image Captioning for Edge Devices
Ning Wang, Jiangrong Xie, Hang Luo +4
Recent years have witnessed the rapid progress of image captioning. However, the demands for large memory storage and heavy computational burden prevent these captioning models fro…
LightMBERT: A Simple Yet Effective Method for Multilingual BERT Distillation
Xiaoqi Jiao, Yichun Yin, Lifeng Shang +5
The multilingual pre-trained language models (e.g, mBERT, XLM and XLM-R) have shown impressive performance on cross-lingual natural language understanding tasks. However, these mod…
The Velocity Map Asymmetry of Ionized Gas in MaNGA II. Correlation between Velocity Map Morphology, Star Formation, and Metallicity in Regular Disk Galaxies
Shuai Feng, Shiyin Shen, Yanmei Chen +5
The morphology of ionized gas velocity maps provides a direct probe of the internal gas kinematics of galaxies. Using integral field spectroscopy from SDSS-IV MaNGA, we analyze a s…
Selecting M-giants with infra-red photometry: Distances, metallicities and the Sagittarius stream
Jing Li, Martin C. Smith, Jing Zhong +9
Using a spectroscopically confirmed sample of M-giants, M-dwarfs and quasars from the LAMOST survey, we assess how well WISE 2MASS color-cuts can be used to select M-giant sta…
A study on fault diagnosis in nonlinear dynamic systems with uncertainties
Steven X. Ding, Linlin Li
In this draft, fault diagnosis in nonlinear dynamic systems is addressed. The objective of this work is to establish a framework, in which not only model-based but also data-driven…
Thus Spake Long-Context Large Language Model
Xiaoran Liu, Ruixiao Li, Mianqiu Huang +11
Long context is an important topic in Natural Language Processing (NLP), running through the development of NLP architectures, and offers immense opportunities for Large Language M…
High-resolution tomographic reconstruction of optical absorbance through scattering media using neural fields
Wuwei Ren, Siyuan Shen, Linlin Li +7
Light scattering imposes a major obstacle for imaging objects seated deeply in turbid media, such as biological tissues and foggy air. Diffuse optical tomography (DOT) tackles scat…
Controllable Image Captioning via Prompting
Ning Wang, Jiahao Xie, Jihao Wu +2
Despite the remarkable progress of image captioning, existing captioners typically lack the controllable capability to generate desired image captions, e.g., describing the image i…
Control theoretically explainable application of autoencoder methods to fault detection in nonlinear dynamic systems
Linlin Li, Steven X. Ding, Ketian Liang +2
This paper is dedicated to control theoretically explainable application of autoencoders to optimal fault detection in nonlinear dynamic systems. Autoencoder-based learning is a st…
Three-dimensional structure of the milky way dust: modeling of LAMOST data
Linlin Li, Shiyin Shen, Jinliang Hou +5
We present a three-dimensional modeling of the Milky Way dust distribution by fitting the value-added star catalog of LAMOST spectral survey. The global dust distribution can be de…
Which is a better programming assistant? A comparative study between chatgpt and stack overflow
Jinrun Liu, Xinyu Tang, Linlin Li +2
Programmers often seek help from Q\&A websites to resolve issues they encounter during programming. Stack Overflow has been a widely used platform for this purpose for over a decad…
Reduction of bar fraction in paired galaxies in the SDSS
Linlin Li, Shuai Feng, Shiyin Shen +3
We investigate the bar fraction in galaxy pairs from the SDSS to assess how galaxy interactions affect bar structures. Compared to isolated galaxies, close pairs exhibit a signific…
Identification of Carbon Stars from LAMOST DR7
Linlin Li, Kecheng Zhang, Wenyuan Cui +6
Carbon stars are excellent kinematic tracers of galaxies and play important roles in understanding the evolution of the Galaxy. Therefore, it is worthwhile to search for them in a…
NeuroRefiner: Morphology-Aware Multi-Agent Refinement for 3D Fluorescence Microscopy Neuron Segmentation
Haiyang Yan, Jinyue Guo, Yanchao Zhang +6
Accurate 3D neuron segmentation in fluorescence microscopy is critical for neuroscience. However, the sparse and elongated morphology of neurons poses significant challenges to exi…
System representations in subspaces of finite-sample signals and their application to data-driven fault detection
Linlin Li, Steven X. Ding, Jiahao Wang +2
This paper deals with system representations in finite-sample signal subspaces and their application to data-driven fault detection. The first part addresses concepts of finite-sam…
Identification of Blue Horizontal-Branch Stars From LAMOST DR5
Jie Ju, Wenyuan Cui, Zhenyan Huo +6
We construct a new catalog of the blue horizontal-branch (BHB) stars from the Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) DR5 dataset, which contains 5355+81…
Discovery of a new IW And-type dwarf nova with both tilted disk and tidal instability
Yongkang Sun, Xin Li, Qige Ao +6
IW And-type dwarf novae are anomalous Z Cam stars featured with outbursts happening during standstill states, which are not expected in the standard disk instability model. The phy…
Application of the unified control and detection framework to detecting stealthy integrity cyber-attacks on feedback control systems
Steven X. Ding, Linlin Li, Dong Zhao +2
This draft addresses issues of detecting stealthy integrity cyber-attacks on automatic control systems in the unified control and detection framework. A general form of integrity c…
Systematic validation of time-resolved diffuse optical simulators via non-contact SPAD-based measurements
Weijia Zhao, Linlin Li, Kaiqi Kuang +6
Objective: Time-domain diffuse optical imaging (DOI) requires accurate forward models for photon propagation in scattering media. However, existing simulators lack comprehensive ex…
Effects of diode laser photobiomodulation on peri-implant inflammation and stability in orthodontic mini-implants: A randomized controlled trial
Jun Liu, Linlin Li, Xiaofei Sun +1
Peri-implant inflammation in orthodontic mini-implant may lead to patient discomfort and treatment failure. This study aims to evaluate the effects of diode laser application on th…
Analysis, detection and control of secure and safe cyber-physical control systems in a unified framework
Linlin Li, Steven X. Ding, Maiying Zhong +2
This paper deals with analysis, simultaneous detection of faults and attacks, fault-tolerant control and attack-resilient of cyber-physical control systems. In our recent work, it…
Improving Task-Agnostic BERT Distillation with Layer Mapping Search
Xiaoqi Jiao, Huating Chang, Yichun Yin +6
Knowledge distillation (KD) which transfers the knowledge from a large teacher model to a small student model, has been widely used to compress the BERT model recently. Besides the…
The luminosity dependence of quasar UV continuum slope: dust extinction scenario
Xiaoyi Xie, Zhengyi Shao, Shiyin Shen +2
We investigate the UV continuum slope of a large quasar sample from SDSS DR7. By using specific continuum windows, we build two samples at lower () and higher ($1…