- ID:
- ivo://ivoa.net/std/sso
- Title:
- IVOA Single-Sign-On Profile: Authentication Mechanisms
- Date:
- 21 Feb 2018 07:20:00
- Publisher:
- IVOA
- Description:
- Approved client-server authentication mechanisms are described for the IVOA single-sign-on profile: No Authentication; HTTP Basic Authentication; TLS with passwords; TLS with client certificates; Cookies; Open Authentication; Security Assertion Markup Language; OpenID. Normative rules are given for the implementation of these mechanisms, mainly by reference to pre-existing standards. The Authorization mechanisms are out of the scope of this document.
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- ID:
- ivo://ivoa.net/std/ivoadm
- Title:
- The ivoa data model
- Date:
- 19 May 2018 09:00:00
- Publisher:
- IVOA
- Description:
- Ultimately all types in a VO-DML model are defined as hierarchies of primitive types. This Model defines a special, predefined model that contains a set of the most common of such types: integer, real, string etc. This
- ID:
- ivo://ivoa.net/std/VOUnits
- Title:
- Units in the VO
- Short Name:
- VOUnits
- Date:
- 04 Dec 2019 16:44:00
- Publisher:
- IVOA
- Description:
- This document describes a recommended syntax for writing the string representation of unit labels ("VOUnits"). In addition, it describes a set of recognised and deprecated units, which is as far as possible consistent with other relevant standards (BIPM, ISO/IEC and the IAU). The intention is that units written to conform to this specification will likely also be parsable by other well-known parsers. To this end, we include machine-readable grammars for other units syntaxes.
- ID:
- ivo://ivoa.net/std/VODML
- Title:
- VO-DML: a consistent modeling language for IVOA data models
- Date:
- 31 May 2018 09:00:00
- Publisher:
- IVOA
- Description:
- This document defines a standard modelling language, or meta-model, for expressing data models in the IVOA. Adopting such a uniform language for all models allows these to be used in a homogeneous manner and allows a consistent definition of reuse of one model by another. The particular language defined here includes a consistent identification mechanism for model which allows these to be referenced in an explicit and uniform manner also from other contexts, in particular from othe IVOA standard formats such as VOTable. The language defined in this specification is named VO-DML (VO Data Modeling Language). VO-DML is a conceptual modeling language that is agnostic of serializations, or physical representations. This allows it to be designed to fit as many purposes as possible. VO-DML is directly based on UML, and can be seen as a particular representation of a UML2 Profile. VO-DML is restricted to describing static data structures and from UML it only uses a subset of the elements defined in its language for describing "Class Diagrams". Its concepts can be easily mapped to equivalent data modelling concepts in other representations such as relational databases, XML schemas and object-oriented computer languages. VO-DML has a representation as a simple XML dialect named VO-DML/XML that must be used to provide the formal representation of a VO-MDL data model. VO-DML/XML aims to be concise, explicit and easy to parse and use in code that needs to interpret annotated data sets. VO-DML as described in this document is an example of a domain specific modeling language, where the domain here is defined as the set of data and meta-data structures handled in the IVOA and Astronomy at large. VO-DML provides a custom representation of such a language and as a side effect allows the creation and use of standards compliant data models outside of the IVOA standards context.
