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We present a case study about the spatial indexing and regional classification of billions of geographic coordinates from geo-tagged social network data using Hierarchical Triangular Mesh (HTM) implemented for Microsoft SQL Server. Due to…

Environmental monitoring and management systems in most cases deal with models and spatial analytics that involve the integration of in-situ and remote Geosensor observations. In-situ sensor observations and those gathered by remote sensors…

Databases · Computer Science 2018-02-20 Maduako N. Ikechukwu , Francis I. Okeke

In this paper we present a novel architecture for storing visual data. Effective storing, browsing and searching collections of images is one of the most important challenges of computer science. The design of architecture for storing such…

Databases · Computer Science 2015-06-29 Rafal Grycuk , Marcin Gabryel , Rafal Scherer , Sviatoslav Voloshynovskiy

The Sloan Digital Sky Survey (SDSS) science database describes over 140 million objects and is over 1.5 TB in size. The SDSS Catalog Archive Server (CAS) provides several levels of query interface to the SDSS data via the SkyServer website.…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 William OMullane , Nolan Li , Maria Nieto-Santisteban , Alex Szalay , Ani Thakar , Jim Gray

The Gaia Archive provides access to observations of around a billion sky sources. The primary access to this archive is via TAP services such as GACS and ARI-Gaia, which allow execution of SQL-like queries against a large remote database…

Instrumentation and Methods for Astrophysics · Physics 2016-11-29 M. B. Taylor , G. Mantelet , M. Demleitner

Advanced instruments in a variety of scientific domains are collecting massive amounts of data that must be post-processed and organized to support scientific research activities. Astronomers have been pioneers in the use of databases to…

Astrophysics · Physics 2007-05-23 Y. Dora Cai , Ruth Aydt , Robert J. Brunner

The American Astronomical Society's WorldWide Telescope (WWT) project enables terabytes of astronomical images, data, and stories to be viewed and shared among researchers, exhibited in science museums, projected into full-dome immersive…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 Philip Rosenfield , Jonathan Fay , Ronald K Gilchrist , Chenzhou Cui , A. David Weigel , Thomas Robitaille , Oderah Justin Otor , Alyssa Goodman

The world astronomical image archives represent huge opportunities to time-domain astronomy sciences and other hot topics such as space defense, and astronomical observatories should improve this wealth and make it more accessible in the…

Instrumentation and Methods for Astrophysics · Physics 2019-12-18 Ovidiu Vaduvescu , Lucian Curelaru , Marcel Popescu

Scientists in all domains face a data avalanche - both from better instruments and from improved simulations. We believe that computer science tools and computer scientists are in a position to help all the sciences by building tools and…

Databases · Computer Science 2007-05-23 Jim Gray , Alexander S. Szalay

The rise of multi-million-item dataset initiatives has enabled data-hungry machine learning algorithms to reach near-human semantic classification at tasks such as object and scene recognition. Here we describe the Places Database, a…

Computer Vision and Pattern Recognition · Computer Science 2016-10-10 Bolei Zhou , Aditya Khosla , Agata Lapedriza , Antonio Torralba , Aude Oliva

Nowadays medium-large size astronomical projects have to face the management of a large amount of information and data. Dedicated data centres manage the collection of raw and processed data and consequently make them accessible, typically…

Astrophysics · Physics 2007-05-23 Luciano Nicastro , Giorgio Calderone

In this paper we introduce the TorontoCity benchmark, which covers the full greater Toronto area (GTA) with 712.5 $km^2$ of land, 8439 $km$ of road and around 400,000 buildings. Our benchmark provides different perspectives of the world…

Computer Vision and Pattern Recognition · Computer Science 2016-12-02 Shenlong Wang , Min Bai , Gellert Mattyus , Hang Chu , Wenjie Luo , Bin Yang , Justin Liang , Joel Cheverie , Sanja Fidler , Raquel Urtasun

Astronomy is undergoing through a methodological revolution triggered by an unprecedented wealth of complex and accurate data. The new panchromatic, synoptic sky surveys require advanced tools for discovering patterns and trends hidden…

The recent advances in machine learning and the availability of free and open big Earth data (e.g., Sentinel missions), which cover large areas with high spatial and temporal resolution, have enabled many agriculture monitoring…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 George Choumos , Alkiviadis Koukos , Vasileios Sitokonstantinou , Charalampos Kontoes

Scientists generate petabytes of data daily to help uncover environmental trends or behaviors that are hard to predict. For example, understanding climate simulations based on the long-term average of temperature, precipitation, and other…

In time-domain astronomy, STLF (Short-Timescale and Large Field-of-view) sky survey is the latest way of sky observation. Compared to traditional sky survey who can only find astronomical phenomena, STLF sky survey can even reveal how short…

Databases · Computer Science 2018-11-28 Chen Yang , Xiaofeng Meng , Zhihui Du , JiaMing Qiu , Kenan Liang , Yongjie Du , Zhiqiang Duan , Xiaobin Ma , Zhijian Fang

Current extragalactic databases are reviewed, including object-oriented databases, astronomical catalogues and compilations, as well as image archives and object catalogues from large-scale surveys. One challenge of the future will be to…

Astrophysics · Physics 2007-05-23 H. Andernach

Our view of the low-redshift Cosmic Web has been revolutionized by galaxy redshift surveys such as 6dFGS, SDSS and 2MRS. However, the trade-off between depth and angular coverage limits a systematic three-dimensional account of the entire…

Cosmology and Nongalactic Astrophysics · Physics 2016-10-20 Maciej Bilicki , John A. Peacock , Thomas H. Jarrett , Michelle E. Cluver , Louise Steward

Satellite images are snapshots of the Earth surface. We propose to forecast them. We frame Earth surface forecasting as the task of predicting satellite imagery conditioned on future weather. EarthNet2021 is a large dataset suitable for…

Machine Learning · Computer Science 2021-04-21 Christian Requena-Mesa , Vitus Benson , Markus Reichstein , Jakob Runge , Joachim Denzler

We present a dataset built for machine learning applications consisting of galaxy photometry, images, spectroscopic redshifts, and structural properties. This dataset comprises 286,401 galaxy images and photometry from the Hyper-Suprime-Cam…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-02 Tuan Do , Bernie Boscoe , Evan Jones , Yun Qi Li , Kevin Alfaro