SDSS SkyServer数据库的数据采掘
Data Mining the SDSS SkyServer Database
摘要：
早期的论文（Szalay et.等人的“Designing and Mining MultiTerabyte Astronomy Archives：The Sloan Digital Sky Survey，”ACM SIGMOD 2000）通过定义良好的数据管理系统应当支持的二十个数据库查询和十二个数据可视化任务来描述Sloan Digital Sky Survey（SDSS）的数据管理需求。我们建立了一个数据库和接口，以支持查询负载和一个网站的特设访问。本文报告了数据库设计，描述了数据加载管道，并报告了查询实现和性能。这些查询通常被转换为单个SQL语句。大多数查询运行时间不到20秒，使科学家能够交互式地探索数据库。本文是对这些查询的深入介绍。读者应该首先研究了同伴概述文件Szalay等。“SDSS SkyServer，公共访问斯隆数字天空服务器数据”ACM SIGMOND 2002。
英文摘要：
An earlier paper (Szalay et. al. "Designing and Mining MultiTerabyte Astronomy Archives: The Sloan Digital Sky Survey," ACM SIGMOD 2000) described the Sloan Digital Sky Survey's (SDSS) data management needs by defining twenty database queries and twelve data visualization tasks that a good data management system should support. We built a database and interfaces to support both the query load and also a website for ad-hoc access. This paper reports on the database design, describes the data loading pipeline, and reports on the query implementation and performance. The queries typically translated to a single SQL statement. Most queries run in less than 20 seconds, allowing scientists to interactively explore the database. This paper is an in-depth tour of those queries. Readers should first have studied the companion overview paper Szalay et. al. "The SDSS SkyServer, Public Access to the Sloan Digital Sky Server Data" ACM SIGMOND 2002.
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