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The SkyServer provides Internet access to the public Sloan Digi-tal Sky Survey (SDSS) data for both astronomers and for science education. This paper describes the SkyServer goals and archi-tecture. It also describes our experience…

Agile hardware development requires fast and accurate circuit quality evaluation from early design stages. Existing work of high-level synthesis (HLS) performance prediction usually needs extensive feature engineering after the synthesis…

机器学习 · 计算机科学 2022-09-16 Nan Wu , Hang Yang , Yuan Xie , Pan Li , Cong Hao

The SkyServer provides Internet access to the public Sloan Digital Sky Survey (SDSS) data for both astronomers and for science education. This paper describes the SkyServer goals and architecture. It also describes our experience operating…

A graph stream is a continuous sequence of data items, in which each item indicates an edge, including its two endpoints and edge weight. It forms a dynamic graph that changes with every item in the stream. Graph streams play important…

数据结构与算法 · 计算机科学 2018-09-06 Xiangyang Gou , Lei Zou , Chenxingyu Zhao , Tong Yang

Modern investigations of magnetic chemically peculiar stars reveal a variety of complex processes in their atmospheres. Realistic spectrum synthesis modelling of these objects has to take into account anomalous chemical composition, strong…

天体物理学 · 物理学 2007-05-23 O. Kochukhov

Spatio-temporal prediction is a crucial research area in data-driven urban computing, with implications for transportation, public safety, and environmental monitoring. However, scalability and generalization challenges remain significant…

机器学习 · 计算机科学 2024-09-12 Jiabin Tang , Wei Wei , Lianghao Xia , Chao Huang

We introduce G-Style, a novel algorithm designed to transfer the style of an image onto a 3D scene represented using Gaussian Splatting. Gaussian Splatting is a powerful 3D representation for novel view synthesis, as -- compared to other…

图形学 · 计算机科学 2024-09-06 Áron Samuel Kovács , Pedro Hermosilla , Renata G. Raidou

Recent advancements in 3D Gaussian Splatting (3DGS) have enabled photorealistic rendering of complex scenes, yet widespread adoption on mobile and Extended Reality (XR) devices is hindered by substantial computational and bandwidth…

图像与视频处理 · 电气工程与系统科学 2026-05-12 Emanuele Artioli , Philipp Fößl , Daniele Lorenzi , Farzad Tashtarian , Mahdi Dolati , Cheng-Hsin Hsu , Christian Timmerer

Our understanding of the dynamics of the interstellar medium is informed by the study of the detailed velocity structure of emission line observations. One approach to study the velocity structure is to decompose the spectra into individual…

天体物理仪器与方法 · 物理学 2019-08-14 Manuel Riener , Jouni Kainulainen , Jonathan D. Henshaw , Jan H. Orkisz , Claire E. Murray , Henrik Beuther

We have developed an online radiative-transfer suite (https://psg.gsfc.nasa.gov) applicable to a broad range of planetary objects (e.g., planets, moons, comets, asteroids, TNOs, KBOs, exoplanets). The Planetary Spectrum Generator (PSG) can…

地球与行星天体物理 · 物理学 2018-06-26 Geronimo L. Villanueva , Michael D. Smith , Silvia Protopapa , Sara Faggi , Avi M. Mandell

A number of spectroscopic surveys have been carried out or are planned to study the origin of the Milky Way. Their exploitation requires reliable automated methods and softwares to measure the fundamental parameters of the stars. Adopting…

Molecular line intensity calculations are not a straightforward task. We present a description of the basics for including molecular linesin synthetic spectra, and of the input data needed. We aim both at describing ways in which molecular…

太阳与恒星天体物理 · 物理学 2019-02-20 B. Barbuy , J. Trevisan , A. de Almeida

The voluminous nature of geospatial temporal data from physical monitors and simulation models poses challenges to efficient data access, often resulting in cumbersome temporal selection experiences in web-based data portals. Thus,…

人机交互 · 计算机科学 2024-03-07 Juntong Chen , Haiwen Huang , Huayuan Ye , Zhong Peng , Chenhui Li , Changbo Wang

Understanding environmental ecosystems is vital for the sustainable management of our planet. However,existing physics-based and data-driven models often fail to generalize to varying spatial regions and scales due to the inherent data…

机器学习 · 计算机科学 2025-10-13 Shiyuan Luo , Runlong Yu , Shengyu Chen , Yingda Fan , Yiqun Xie , Yanhua Li , Xiaowei Jia

The upcoming generation of telescopes, instruments, and surveys is poised to usher in an unprecedented "Big Data" era in the field of astronomy. Within this context, even seemingly modest tasks such as spectral line analyses could become…

天体物理仪器与方法 · 物理学 2024-08-07 V. Fernández , R. Amorín , V. Firpo , C. Morisset

We propose a novel software service recommendation model to help users find their suitable repositories in GitHub. Our model first designs a novel context-induced repository graph embedding method to leverage rich contextual information of…

信息检索 · 计算机科学 2021-12-21 Mingwei Zhang , Jiayuan Liu , Weipu Zhang , Ke Deng , Hai Dong , Ying Liu

Recent advancements in large language models (LLMs) have significantly improved the capabilities of web agents. However, effectively navigating complex and dynamic web environments still requires more advanced trajectory-level planning and…

人工智能 · 计算机科学 2025-07-08 Yifei Gao , Junhong Ye , Jiaqi Wang , Jitao Sang

Session-based recommendation tries to make use of anonymous session data to deliver high-quality recommendation under the condition that user-profiles and the complete historical behavioral data of a target user are unavailable. Previous…

信息检索 · 计算机科学 2022-03-15 Zhi-Hong Deng , Chang-Dong Wang , Ling Huang , Jian-Huang Lai , Philip S. Yu

Subspace clustering (SC) refers to the problem of clustering high-dimensional data into a union of low-dimensional subspaces. Based on spectral clustering, state-of-the-art approaches solve SC problem within a two-stage framework. In the…

机器学习 · 计算机科学 2019-05-06 Shuai Yang , Wenqi Zhu , Yuesheng Zhu

3D Gaussian Splatting (3DGS) enables high-fidelity real-time rendering, a key requirement for immersive applications. However, the extension of 3DGS to dynamic scenes remains limitations on the substantial data volume of dense Gaussians and…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Jiayu Yang , Weijian Su , Songqian Zhang , Yuqi Han , Jinli Suo , Qiang Zhang