[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-detail-167132-en":3,"doc-seo-167132-105":30,"detail-sidebar-cat-1-en-105":91},{"code":4,"msg":5,"data":6},0,"success",{"doc_id":7,"user_id":8,"nickname":9,"user_avatar":10,"doc_module":11,"category_id":12,"category_name":13,"doc_title":14,"doc_description":15,"doc_content":16,"file_id":17,"file_url":18,"file_type":19,"file_size":20,"view_count":4,"is_deleted":4,"is_public":11,"is_downloadable":11,"audit_status":11,"page_count":21,"language":22,"language_code":23,"site_id":24,"html_lang":23,"table_of_contents":25,"faqs":26,"seo_title":27,"seo_description":15,"update_tm":28,"read_time":29},167132,962084925636,"Sophia Brooks","https://ap-avatar.wpscdn.com/davatar_994ba38a5ba835b3df7d355c54d3ed8d",1,11,"Presentations","Observation Data Model Core Components and its Implementation in the Table Access Protocol - Version 1.0","Defines the core components of an Observation data model required for data discovery when querying data centers for relevant astronomical observations. Presents use cases, explains the model, and gives guidelines for implementing it as a data access service based on the Table Access Protocol (TAP). Introduces ObsTAP as the integrated interface for data modeling and access, supports global discovery via minimal queryable metadata, and can be serialized as a VOTable.","Observation Data Model Core Components and its Implementation in the Table Access Protocol\nVersion 1.0\nIVOA Recommendation, October 28 2011\nThis version:\n\u0013 HYPERLINK \"http://www.ivoa.net/Documents/ObsCore/20111028/REC-ObsCore-v1.0-20111028.pdf\" \u0014http://www.ivoa.net/Documents/ObsCore/20111028/REC-ObsCore-v1.0-20111028.pdf\u0015\nLatest version:\n\u0013 HYPERLINK \"http://www.ivoa.net/Documents/ObsCore/20111028/REC-ObsCore-v1.0-20111028.pdf\" \u0014http://www.ivoa.net/Documents/ObsCore/20111028/REC-ObsCore-v1.0-20111028.pdf\u0015\nPrevious version(s):\n\u0013 HYPERLINK \"http://www.ivoa.net/Documents/ObsCore/20111008/PR-ObsCore-v1.0-20111008.pdf%20\" \u0014http://www.ivoa.net/Documents/ObsCore/20111008/PR-ObsCore-v1.0-20111008.pdf \u0015\nEditors:\nDoug Tody, Alberto Micol, Daniel Durand, Mireille Louys\nAuthors:\nMireille Louys, Francois Bonnarel, David Schade, Patrick Dowler, Alberto Micol, Daniel Durand,\u000bDoug Tody, Laurent Michel, Jesus Salgado, Igor Chilingarian, Bruno Rino, Juan de Dios Santander, Petr Skoda\nAbstract\nThis 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).\nStatus of this document\nThis document has been produced by the IVOA Data Model (DM) working group, in coordination with partners involved in the definition of data access protocols (DAL) and of the ADQL language. It describes the core components of the Observation data model and the metadata to be attached to an astronomical observation, and contains a guide for implementing this model within the Table Access Protocol (TAP) framework.  Due to the DM and DAL aspects of this document, this will circulate and be reviewed by both Working Groups. The document content has been worked out as working draft in a previous stage (2009-2010) and is now proposed for IVOA recommendation.\nA list of current IVOA Recommendations and other technical documents can be found at \u0013 HYPERLINK \"http://www.ivoa.net/Documents/\" \u0014http://www.ivoa.net/Documents/\u0015\nAcknowledgements\nThis work has been partly funded by Euro-VO AIDA project that we acknowledge here. SSC XMM Catalog service supported the implementation of the SAADA version of ObsTAP at Strasbourg Observatory. The US-VAO project contributed to developing this specification and prototyping the use of ObsTAP in the VAO portal.  The CANFAR project also contributed for the reference implementation of ObsTAP at CADC, Victoria.\u000fContents\n\u0013 TOC \\o \u0014List of Acronyms\t\u0013 PAGEREF _Toc292147186 \\h \u00147\u0015\n1.\tIntroduction\t\u0013 PAGER","cbCaiaI1EvidTyOD","https://ap.wps.com/l/cbCaiaI1EvidTyOD","docx",411763,54,"English","en",105,"# Introduction\n## First building block: Data Models\n## Second building block: the Table Access Protocol (TAP)\n## The goal of this effort\n# Use cases\n# Observation Core Components Data Model\n## UML description of the model\n## Main Concepts of the ObsCore Data Model\n## Specific Data Model Elements\n# Implementation of ObsCore in a TAP Service\n## Data Product Type (dataproduct_type)\n## Calibration Level (calib_level)\n## Collection Name (obs_collection)\n## Observation Identifier (obs_id)\n## Publisher Dataset Identifier (obs_publisher_did)","[{\"question\":\"What problem does the document address?\",\"answer\":\"It defines core Observation metadata components needed to perform data discovery across data centers.\"},{\"question\":\"How is the model implemented for global discovery?\",\"answer\":\"It is implemented as an ObsTAP service using TAP, allowing a single query to multiple sites without knowing local service details.\"},{\"question\":\"What serialization formats and related standards are referenced?\",\"answer\":\"ObsCoreDM can be serialized as a VOTable and leverages STC, Utypes, Units, and UCDs, with references to more complete related data models.\"}]","Observation Data Model Core Components and its Implementation in the Table Access Protocol - 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