Publications (72)
Nonrational varieties with unirational parametrizations of coprime degrees
Song Yang, Xun Yu, Zigang Zhu
We show that there exists a -dimensional family of smooth cubic threefolds admitting unirational parametrizations of coprime degrees. This together with Clemens--Griffiths' work…
PositionIC: Unified Position and Identity Consistency for Image Customization
Junjie Hu, Tianyang Han, Kai Ma +6
Recent subject-driven image customization excels in fidelity, yet fine-grained instance-level spatial control remains an elusive challenge, hindering real-world applications. This…
Query-Mixed Interest Extraction and Heterogeneous Interaction: A Scalable CTR Model for Industrial Recommender Systems
Fangye Wang, Guowei Yang, Xiaojiang Zhou +2
Learning effective feature interactions is central to modern recommender systems, yet remains challenging in industrial settings due to sparse multi-field inputs and ultra-long use…
Optimization Problems in Correlated Networks
Song Yang, Stojan Trajanovski, Fernando A. Kuipers
Solving the shortest path and the min-cut problems are key in achieving high performance and robust communication networks. Those problems have often beeny studied in deterministic…
Noise Classification Aided Attention-Based Neural Network for Monaural Speech Enhancement
Lu Ma, Song Yang, Yaguang Gong +1
This paper proposes an noise type classification aided attention-based neural network approach for monaural speech enhancement. The network is constructed based on a previous work…
Replacing the Framingham-based equation for prediction of cardiovascular disease risk and adverse outcome by using artificial intelligence and retinal imaging
Ehsan Vaghefi, David Squirrell, Songyang An +2
Purpose: To create and evaluate the accuracy of an artificial intelligence Deep learning platform (ORAiCLE) capable of using only retinal fundus images to predict both an individua…
HearSmoking: Smoking Detection in Driving Environment via Acoustic Sensing on Smartphones
Yadong Xie, Fan Li, Yue Wu +2
Driving safety has drawn much public attention in recent years due to the fast-growing number of cars. Smoking is one of the threats to driving safety but is often ignored by drive…
GR2: Generative Reasoning Re-ranker
Mingfu Liang, Yufei Li, Jay Xu +20
Recent studies increasingly explore Large Language Models (LLMs) as a new paradigm for recommendation systems due to their scalability and world knowledge. However, existing work h…
On the blow-up formula of twisted de Rham cohomology
Youming Chen, Song Yang
We derive a blow-up formula for the de Rham cohomology of a local system of complex vector spaces on a compact complex manifold. As an application, we obtain the blow-up invariance…
Reliable Virtual Machine Placement and Routing in Clouds
Song Yang, Philipp Wieder, Ramin Yahyapour +2
In current cloud computing systems, when leveraging virtualization technology, the customer's requested data computing or storing service is accommodated by a set of communicated v…
Holomorphic Koszul-Brylinski homologies of Poisson blow-ups
Xiaojun Chen, Youming Chen, Song Yang +1
We derive a blow-up formula for holomorphic Koszul-Brylinski homologies of compact holomorphic Poisson manifolds. As applications, we investigate the invariance of the -dege…
Spatial-Temporal Conditional Random Field for Human Trajectory Prediction
Pengqian Han, Jiamou Liu, Jialing He +3
Trajectory prediction is of significant importance in computer vision. Accurate pedestrian trajectory prediction benefits autonomous vehicles and robots in planning their motion. P…
Multimodal Learning For Classroom Activity Detection
Hang Li, Yu Kang, Wenbiao Ding +4
Classroom activity detection (CAD) focuses on accurately classifying whether the teacher or student is speaking and recording both the length of individual utterances during a clas…
High-concurrence steady-state entanglement of two hole spins in a quantum dot molecular
Song Yang, Ming Gong, ChuanFeng Li +2
Entanglement, a non-trivial phenomena manifested in composite quantum system, can be served as a new type of physical resource in the emerging technology of quantum information and…
Intrinsic static/dynamic triboelectric pressure sensor for continuous and event-triggered control
Kequan Xia, Song Yang, Jianguo Lu +1
Conventional pressure sensors often integrate two distinct mechanisms to detect static and dynamic stimuli, hindering the development of high fidelity human-machine interfaces. Her…
Classification of full exceptional collections of line bundles on three blow-ups of
Wanmin Liu, Song Yang, Xun Yu
A fullness conjecture of Kuznetsov says that if a smooth projective variety admits a full exceptional collection of line bundles of length , then any exceptional collection…
A moduli space of stable sheaves on a cubic threefold
Shihao Ma, Song Yang
In this paper, we prove that the moduli space of -Gieseker semistable sheaves on a smooth cubic threefold with Chern character $ν=(4,-H,-\frac{5}{6}H…
Bott-Chern hypercohomology and bimeromorphic invariants
Song Yang, Xiangdong Yang
The aim of this article is to study the geometry of Bott-Chern hypercohomology from the bimeromorphic point of view. We construct some new bimeromorphic invariants involving the co…
Spin State Transfer in Laterally Coupled Quantum Dot Chains with Disorders
Song Yang, Abolfazl Bayat, Sougato Bose
Quantum dot arrays are a promising media for transferring quantum information between two distant points without resorting to mobile qubits. Here we study two most common disorders…
Locally conformal symplectic blow-ups
Song Yang, Xiangdong Yang, Guosong Zhao
In this paper, we study the blow-up of a locally conformal symplectic manifold.We show that there exists a locally conformal symplectic structure on the blow-up of a locally confor…
Poisson cohomology, Koszul duality, and Batalin-Vilkovisky algebras
Xiaojun Chen, Youming Chen, Farkhod Eshmatov +1
We study the noncommutative Poincaré duality between the Poisson homology and cohomology of unimodular Poisson algebras, and show that Kontsevich's deformation quantization as wel…
A new phantom on a rational surface
Shihao Ma, Yirui Xiong, Song Yang
We construct a universal phantom subcategory on the blow-up of the complex projective plane at 11 general points. This phantom subcategory is the orthogonal complement of a non-ful…
EchoFilter: End-to-End Neural Network for Acoustic Echo Cancellation
Lu Ma, Song Yang, Yaguang Gong +2
Acoustic Echo Cancellation (AEC) whose aim is to suppress the echo originated from acoustic coupling between loudspeakers and microphones, plays a key role in voice interaction. Li…
Rational cubic fourfolds in Hassett divisors
Song Yang, Xun Yu
We prove that every Hassett's Noether-Lefschetz divisor of special cubic fourfolds contains a union of three codimension-two subvarieties, parametrizing rational cubic fourfolds, i…
Automorphism groups of cubic fivefolds and fourfolds
Song Yang, Xun Yu, Zigang Zhu
In this paper, we introduce notions of partitionability and characteristic sets of homogeneous polynomials and give a complete classification of groups faithfully acting on smooth…
GACAN: Graph Attention-Convolution-Attention Networks for Traffic Forecasting Based on Multi-granularity Time Series
Sikai Zhang, Hong Zheng, Hongyi Su +3
Traffic forecasting is an integral part of intelligent transportation systems (ITS). Achieving a high prediction accuracy is a challenging task due to a high level of dynamics and…
Tunable intrinsic ferromagnetic topological phases in bulk van der Waals crystal MnSb6Te10
Xin Zhang, Shihao Zhang, Zhicheng Jiang +14
Intrinsic ferromagnetism is a crucial ingredient to realize quantum anomalous Hall effect in quasi two dimensional materials, thus the search of intrinsic ferromagnetic topological…
Spiking Neural Network for Intra-cortical Brain Signal Decoding
Song Yang, Haotian Fu, Herui Zhang +3
Decoding brain signals accurately and efficiently is crucial for intra-cortical brain-computer interfaces. Traditional decoding approaches based on neural activity vector features…
Broadband, robust, and tunable beam splitter based on topological unidirectional surface magnetoplasmons
Lujun Hong, Chao Liu, Jun Wu +5
Beam splitters are pivotal components in integrated microwave and photonic systems. However, conventional designs based on directional coupling or multi-mode interference often suf…
Rethinking the Video Sampling and Reasoning Strategies for Temporal Sentence Grounding
Jiahao Zhu, Daizong Liu, Pan Zhou +8
Temporal sentence grounding (TSG) aims to identify the temporal boundary of a specific segment from an untrimmed video by a sentence query. All existing works first utilize a spars…
Fundamental Dynamic Units: Feedforward Networks and Adjustable Gates
Herbert Sauro, Song Yang
The activation/repression of a given gene is typically regulated by multiple transcription factors (TFs) that bind at the gene regulatory region and recruit RNA polymerase (RNAP).…
GETNext: Trajectory Flow Map Enhanced Transformer for Next POI Recommendation
Song Yang, Jiamou Liu, Kaiqi Zhao
Next POI recommendation intends to forecast users' immediate future movements given their current status and historical information, yielding great values for both users and servic…
GR2 Technical Report
Yufei Li, Zaiwei Zhang, Mingfu Liang +67
Industrial recommendation systems serve billions of users through a multi-stage funnel -- retrieval, early-stage ranking, and re-ranking -- where the final re-ranking step dispropo…
Influence of configuration and acoustic phonons on three-qubit controlled-phase gate
Song Yang, Ming Gong, Xubo Zou +3
We discuss the configuration and acoustic phonon effect on the conditional phase gate using self assembled quantum dots. As an example, we discuss the simplest three dots condition…
Bott-Chern characteristic classes of blow-ups
Xiaojun Wu, Song Yang, Xiangdong Yang
We prove a blow-up formula for Bott-Chern characteristic classes of compact complex manifolds. To this end, we establish a version of Riemann-Roch without denominators for the Bott…
High-sensitivity of initial SrO growth on the residual resistivity in epitaxial thin films of SrRuO on SrTiO (001)
Uddipta Kar, Akhilesh Kr. Singh, Song Yang +4
The growth of SrRuO (SRO) thin film with high-crystallinity and low residual resistivity (RR) is essential to explore its intrinsic properties. Here, utilizing the adsorption-c…
Anisotropic magnetoresistance and magnetic field-tunable Weyl nodes in Weyl metal SrRuO thin films
Uddipta Kar, Akhilesh Kr. Singh, Elisha Cho-Hao Lu +8
Weyl semimetals are a unique class of topological materials, possessing Fermi-arc surface states and exhibiting the chiral anomaly effect. The chiral anomaly refers to non-equilibr…
Multi-Scale Attention Neural Network for Acoustic Echo Cancellation
Lu Ma, Song Yang, Yaguang Gong +1
Acoustic Echo Cancellation (AEC) plays a key role in speech interaction by suppressing the echo received at microphone introduced by acoustic reverberations from loudspeakers. Sinc…
Moduli of stable sheaves on quadric threefold
Song Yang
For each , there exists a Bayer--Lahoz--Macr{\`ı}--Stellari inducing Bridgeland stability condition on a Kuznetsov component of the smo…
Data Pricing for Graph Neural Networks without Pre-purchased Inspection
Yiping Liu, Mengxiao Zhang, Jiamou Liu +1
Machine learning (ML) models have become essential tools in various scenarios. Their effectiveness, however, hinges on a substantial volume of data for satisfactory performance. Mo…
Space Meets Time: Local Spacetime Neural Network For Traffic Flow Forecasting
Song Yang, Jiamou Liu, Kaiqi Zhao
Traffic flow forecasting is a crucial task in urban computing. The challenge arises as traffic flows often exhibit intrinsic and latent spatio-temporal correlations that cannot be…
Tribrid: Stance Classification with Neural Inconsistency Detection
Song Yang, Jacopo Urbani
We study the problem of performing automatic stance classification on social media with neural architectures such as BERT. Although these architectures deliver impressive results,…
DTEA: Dynamic Topology Weaving and Instability-Driven Entropic Attenuation for Medical Image Segmentation
Weixuan Li, Quanjun Li, Guang Yu +5
In medical image segmentation, skip connections are used to merge global context and reduce the semantic gap between encoder and decoder. Current methods often struggle with limite…
ReARTeR: Retrieval-Augmented Reasoning with Trustworthy Process Rewarding
Zhongxiang Sun, Qipeng Wang, Weijie Yu +6
Retrieval-Augmented Generation (RAG) systems for Large Language Models (LLMs) hold promise in knowledge-intensive tasks but face limitations in complex multi-step reasoning. While…
Effective and Efficient Intracortical Brain Signal Decoding with Spiking Neural Networks
Haotian Fu, Peng Zhang, Song Yang +3
A brain-computer interface (BCI) facilitates direct interaction between the brain and external devices. To concurrently achieve high decoding accuracy and low energy consumption in…
Nonlinear and nonreciprocal transport effects in untwinned thin films of ferromagnetic Weyl metal SrRuO
Uddipta Kar, Elisha Cho-Hao Lu, Akhilesh Kr. Singh +12
The identification of distinct charge transport features, deriving from nontrivial bulk band and surface states, has been a challenging subject in the field of topological systems.…
Hodge cohomology on blow-ups along subvarieties
Sheng Rao, Song Yang, Xiangdong Yang +1
We establish a blow-up formula for Hodge cohomology of locally free sheaves on smooth proper varieties over an algebraically closed field of positive characteristic. For this, we i…
Dolbeault cohomologies of blowing up complex manifolds
Sheng Rao, Song Yang, Xiangdong Yang
We prove a blow-up formula for Dolbeault cohomologies of compact complex manifolds by introducing relative Dolbeault cohomology. As corollaries, we present a uniform proof for bime…
Multipartite continuous-variable entanglement distillation using local squeezing and only one photon-subtraction operation
Song Yang, XuBo Zou, ShengLi Zhang +3
In this paper, we study entanglement distillation of multipartite continuous-variable Gaussian entangled states. Following Opatrný \emph{et al.}'s photon subtraction (PS) scheme,…
On lattice polarizable cubic fourfolds
Song Yang, Xun Yu
We extend non-emtpyness and irreducibility of Hassett divisors to the moduli spaces of -polarizable cubic fourfolds for higher rank lattices , which in turn provides a system…
D3-Guard: Acoustic-based Drowsy Driving Detection Using Smartphones
Yadong Xie, Fan Li, Yue Wu +2
Since the number of cars has grown rapidly in recent years, driving safety draws more and more public attention. Drowsy driving is one of the biggest threatens to driving safety. T…
Dynamic Graph Representation Learning via Edge Temporal States Modeling and Structure-reinforced Transformer
Shengxiang Hu, Guobing Zou, Song Yang +3
Dynamic graph representation learning has emerged as a crucial research area, driven by the growing need for analyzing time-evolving graph data in real-world applications. While re…
The thickness dependence of quantum oscillations in ferromagnetic Weyl metal SrRuO
Uddipta Kar, Akhilesh Kr. Singh, Yu-Te Hsu +10
Quantum oscillations in resistivity and magnetization at high magnetic fields are a macroscopic fingerprint of the energy quantization due to the cyclotron motion of quasiparticles…
A multi-center prospective evaluation of THEIA to detect diabetic retinopathy (DR) and diabetic macular edema (DME) in the New Zealand screening program
Ehsan Vaghefi, Song Yang, Li Xie +2
Purpose: to assess the efficacy of THEIA, an artificial intelligence for screening diabetic retinopathy in a multi-center prospective study. To validate the potential application o…
Efficient Semiparametric Estimation of Short-term and Long-term Hazard Ratios with Right-Censored Data
Guoqing Diao, Donglin Zeng, Song Yang
The proportional hazards assumption in the commonly used Cox model for censored failure time data is often violated in scientific studies. Yang and Prentice (2005) proposed a novel…
Towards Automatically Extracting UML Class Diagrams from Natural Language Specifications
Song Yang, Houari Sahraoui
In model-driven engineering (MDE), UML class diagrams serve as a way to plan and communicate between developers. However, it is complex and resource-consuming. We propose an automa…
Chaos Phase Induced Mass-producible Monolayer Two-dimensional Material
Jiahui Wang, Pengfei Yang, Jing Jiang +6
Crystal phase is well studied and presents a periodical atom arrangement in three dimensions lattice, but the "amorphous phase" is poorly understood. Here, by starting from cage-li…
Batalin-Vilkovisky algebras and the noncommutative Poincare duality of Koszul Calabi-Yau algebras
Xiaojun Chen, Song Yang, Guodong Zhou
Let be a Koszul Calabi-Yau algebra. We show that there exists an isomorphism of Batalin-Vilkovisky algebras between the Hochschild cohomology ring of and that of its Koszul…
The derived non-commutative Poisson bracket on Koszul Calabi-Yau algebras
Xiaojun Chen, Alimjon Eshmatov, Farkhod Eshmatov +1
Let be a Koszul (or more generally, -Koszul) Calabi-Yau algebra. Inspired by the works of Kontsevich, Ginzburg and Van den Bergh, we show that there is a derived non-commuta…
Joint Physical-Digital Facial Attack Detection Via Simulating Spoofing Clues
Xianhua He, Dashuang Liang, Song Yang +7
Face recognition systems are frequently subjected to a variety of physical and digital attacks of different types. Previous methods have achieved satisfactory performance in scenar…
Dolbeault cohomologies of blowing up complex manifolds II: bundle-valued case
Sheng Rao, Song Yang, Xiangdong Yang
We use a sheaf-theoretic approach to obtain a blow-up formula for Dolbeault cohomology groups with values in the holomorphic vector bundle over a compact complex manifold. As appli…
Bott-Chern blow-up formula and bimeromorphic invariance of the -Lemma for threefolds
Song Yang, Xiangdong Yang
The purpose of this paper is to study the bimeromorphic invariants of compact complex manifolds in terms of Bott-Chern cohomology. We prove a blow-up formula for Bott-Chern cohomol…
Some remarks on Fano threefolds of index two and stability conditions
Laura Pertusi, Song Yang
We prove that ideal sheaves of lines in a Fano threefold of Picard rank one and index two are stable objects in the Kuznetsov component , with respect to the st…
GeoGR: A Generative Retrieval Framework for Spatio-Temporal Aware POI Recommendation
Fangye Wang, Haowen Lin, Yifang Yuan +4
Next Point-of-Interest (POI) prediction is a fundamental task in location-based services, especially critical for large-scale navigation platforms like AMAP that serve billions of…
Quintic genus 2 curves, stable pairs and wall-crossing
Shihao Ma, Song Yang
This paper studies wall crossings in Bridgeland stability for the moduli space of Pandharipande--Thomas stable pairs associated with quintic genus 2 curves in the complex projectiv…
On automorphism groups of smooth hypersurfaces
Song Yang, Xun Yu, Zigang Zhu
We show that smooth hypersurfaces in complex projective spaces with automorphism groups of maximum size are isomorphic to Fermat hypersurfaces, with a few exceptions. For the excep…
MLS-Track: Multilevel Semantic Interaction in RMOT
Zeliang Ma, Song Yang, Zhe Cui +4
The new trend in multi-object tracking task is to track objects of interest using natural language. However, the scarcity of paired prompt-instance data hinders its progress. To ad…
USER: Unsupervised Structural Entropy-based Robust Graph Neural Network
Yifei Wang, Yupan Wang, Zeyu Zhang +3
Unsupervised/self-supervised graph neural networks (GNN) are vulnerable to inherent randomness in the input graph data which greatly affects the performance of the model in downstr…
Entanglement Enhanced Information Transfer through Strongly Correlated Systems and its Application to Optical Lattices
Song Yang, Abolfazl Bayat, Sougato Bose
We show that the inherent entanglement of the ground state of strongly correlated systems can be exploited for both classical and quantum communications. Our strategy is based on a…
Mono-elemental saturable absorber in mode-locked fiber laser: A review
Kuen Yao Lau, Jian-Cheng Zheng, Cuihong Jin +1
Two-dimensional mono-elemental material is an excellent saturable absorber candidate with low saturation intensity, large modulation depth, high nonlinearities, and fast recovery t…
Multi-Scale Temporal Convolution Network for Classroom Voice Detection
Lu Ma, Xintian Wang, Song Yang +2
Teaching with the cooperation of expert teacher and assistant teacher, which is the so-called "double-teachers classroom", i.e., the course is giving by the expert online and prese…
Large Language Model Meets Graph Neural Network in Knowledge Distillation
Shengxiang Hu, Guobing Zou, Song Yang +3
In service-oriented architectures, accurately predicting the Quality of Service (QoS) is crucial for maintaining reliability and enhancing user satisfaction. However, significant c…