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IVOA建议书:观测数据模型核心组件及其在表访问协议1.0版中的实现

IVOA Recommendation: Observation Data Model Core Components and its Implementation in the Table Access Protocol Version 1.0

Mireille Louys, Francois Bonnarel, David Schade, Patrick Dowler, Alberto Micol, Daniel Durand, Doug Tody, Laurent Michel, Jesus Salgado, Igor Chilingarian, Brun… 展开作者

Mireille Louys, Francois Bonnarel, David Schade, Patrick Dowler, Alberto Micol, Daniel Durand, Doug Tody, Laurent Michel, Jesus Salgado, Igor Chilingarian, Bruno Rino, J. D. Santander-Vela, Petr Skoda

摘要:

本文档定义了Observation数据模型的核心组件,这些组件是在查询数据中心以获取感兴趣的观察结果时执行数据发现所必需的。它公开了要执行的用例,解释了模型,并提供了基于表访问协议(TAP)的数据访问服务的实现指南。其目的是提供一个易于理解和实施的简单模型,供希望将其数据发布到虚拟天文台的数据提供者使用。该接口将数据建模和数据访问方面集成在单个服务中,并命名为ObsTAP。将在IVOA登记系统中引用。将有一个单独的文件来涵盖完整的观察数据模型。在本文档中,观测数据模型核心组件(ObsCoreDM)定义了全局发现观测数据所需的可查询元数据的核心组件。这意味着允许向多个站点的TAP服务提出单个查询,以执行全局数据发现,而不必了解每个站点上存在的服务的详细信息。它界定了一套最低限度的基本元数据,从而使数据提供者的执行费用合理。ObsCoreDM与TAP的组合被称为ObsTAP服务。与大多数VO数据模型一样,ObsCoreDM使用STC、Utypes、Units和UCD。ObsCoreDM可以序列化为VOTable。ObsCoreDM可以参考更完整的数据模型,如ObsProvDM(即将推出的观察种源数据模型),表征DM,光谱DM或简单谱线数据模型(SSLDM)。

英文摘要:

This document defines the core components of the Observation data model that are necessary to perform data discovery when querying data centers for observations of interest. It exposes use-cases to be carried out, explains the model and provides guidelines for its implementation as a data access service based on the Table Access Protocol (TAP). It aims at providing a simple model easy to understand and to implement by data providers that wish to publish their data into the Virtual Observatory. This interface integrates data modeling and data access aspects in a single service and is named ObsTAP. It will be referenced as such in the IVOA registries. There will be a separate document to cover the full Observation data model. In this document, the Observation Data Model Core Components (ObsCoreDM) defines the core components of queryable metadata required for global discovery of observational data. It is meant to allow a single query to be posed to TAP services at multiple sites to perform global data discovery without having to understand the details of the services present at each site. It defines a minimal set of basic metadata and thus allows for a reasonable cost of implementation by data providers. The combination of the ObsCoreDM with TAP is referred to as an ObsTAP service. As with most of the VO Data Models, ObsCoreDM makes use of STC, Utypes, Units and UCDs. The ObsCoreDM can be serialized as a VOTable. ObsCoreDM can make reference to more complete data models such as ObsProvDM (the Observation Provenance Data Model, to come), Characterisation DM, Spectrum DM or Simple Spectral Line Data Model (SSLDM).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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