| <?xml version="1.0" encoding="UTF-8"?> <xs:schema attributeFormDefault="unqualified" elementFormDefault="unqualified" targetNamespace="http://www.ivoa.net/xml/VOResource/v1.0" version="1.02" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:vm="http://www.ivoa.net/xml/VOMetadata/v0.1" xmlns:vr="http://www.ivoa.net/xml/VOResource/v1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:annotation> <xs:appinfo> <vm:schemaName>VOResource</vm:schemaName> <vm:schemaPrefix>xs</vm:schemaPrefix> <vm:targetPrefix>vr</vm:targetPrefix> </xs:appinfo> <xs:documentation> Implementation of an XML Schema describing a resource to be used in the Virtual Observatory Project. Based on "Resource Metadata for the Virtual Observatory", Version 0.8, February 2002 by Bob Hanisch et al. </xs:documentation> </xs:annotation> <xs:annotation> <xs:documentation> A timestamp that is compliant with ISO8601 but disallows the use of a timezone indicator. </xs:documentation> </xs:annotation> <xs:pattern value="\d{4}-\d\d-\d\dT\d\d:\d\d:\d\d(\.\d+)?"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> A date stamp that can be given to a precision of either a day (type xs:date) or seconds (type xs:dateTime) </xs:documentation> </xs:annotation> </xs:simpleType> <xs:annotation> <xs:documentation> Any entity or component of a VO application that is describable and identifiable by a IVOA Identifier. </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> A numeric grade describing the quality of the resource description, when applicable, to be used to indicate the confidence an end-user can put in the resource as part of a VO application or research study. </xs:documentation> <xs:documentation> See vr:ValidationLevel for an explanation of the allowed levels. </xs:documentation> <xs:documentation> Note that when this resource is a Service, this grade applies to the core set of metadata. Capability and interface metadata, as well as the compliance of the service with the interface standard, is rated by validationLevel tag in the capability element (see the vr:Service complex type). </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Title</vm:dcterm> </xs:appinfo> <xs:documentation> the full name given to the resource </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> a short name or abbreviation given to the resource. </xs:documentation> <xs:documentation> This name will be used where brief annotations for the resource name are required. Applications may use to refer to this resource in a compact display. </xs:documentation> <xs:documentation> One word or a few letters is recommended. No more than sixteen characters are allowed. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Identifier</vm:dcterm> </xs:appinfo> <xs:documentation> Unambiguous reference to the resource conforming to the IVOA standard for identifiers </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Information regarding the general curation of the resource </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Information regarding the general content of the resource </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> <xs:annotation> <xs:documentation> The UTC date and time this resource metadata description was created. </xs:documentation> <xs:documentation> This timestamp must not be in the future. This time is not required to be accurate; it should be at least accurate to the day. Any insignificant time fields should be set to zero. </xs:documentation> </xs:annotation> </xs:attribute> <xs:annotation> <xs:documentation> The UTC date this resource metadata description was last updated. </xs:documentation> <xs:documentation> This timestamp must not be in the future. This time is not required to be accurate; it should be at least accurate to the day. Any insignificant time fields should be set to zero. </xs:documentation> </xs:annotation> </xs:attribute> <xs:annotation> <xs:documentation> a tag indicating whether this resource is believed to be still actively maintained. </xs:documentation> </xs:annotation> <xs:simpleType> <xs:enumeration value="active"> <xs:annotation> <xs:documentation> resource is believed to be currently maintained, and its description is up to date (default). </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="inactive"> <xs:annotation> <xs:documentation> resource is apparently not being maintained at the present. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="deleted"> <xs:annotation> <xs:documentation> resource publisher has explicitly deleted the resource. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> </xs:attribute> </xs:complexType> <xs:annotation> <xs:documentation> the allowed values for describing the resource descriptions and interfaces. </xs:documentation> <xs:documentation> See the RM (v1.1, section 4) for more guidance on the use of these values. </xs:documentation> </xs:annotation> <xs:whiteSpace value="collapse"/> <xs:enumeration value="0"> <xs:annotation> <xs:documentation> The resource has a description that is stored in a registry. This level does not imply a compliant description. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="1"> <xs:annotation> <xs:documentation> In addition to meeting the level 0 definition, the resource description conforms syntactically to this standard and to the encoding scheme used. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="2"> <xs:annotation> <xs:documentation> In addition to meeting the level 1 definition, the resource description refers to an existing resource that has demonstrated to be functionally compliant. </xs:documentation> <xs:documentation> When the resource is a service, it is consider to exist and functionally compliant if use of the service accessURL responds without error when used as intended by the resource. If the service is a standard one, it must also demonstrate the response is syntactically compliant with the service standard in order to be considered functionally compliant. If the resource is not a service, then the ReferenceURL must be shown to return a document without error. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="3"> <xs:annotation> <xs:documentation> In addition to meeting the level 2 definition, the resource description has been inspected by a human and judged to comply semantically to this standard as well as meeting any additional minimum quality criteria (e.g., providing values for important but non-required metadata) set by the human inspector. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="4"> <xs:annotation> <xs:documentation> In addition to meeting the level 3 definition, the resource description meets additional quality criteria set by the human inspector and is therefore considered an excellent description of the resource. Consequently, the resource is expected to be operate well as part of a VO application or research study. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> a validation stamp combining a validation level and the ID of the validator. </xs:documentation> </xs:annotation> <xs:simpleContent> <xs:annotation> <xs:documentation> The IVOA ID of the registry or organisation that assigned the validation level. </xs:documentation> </xs:annotation> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:pattern value="[\w\d][\w\d\-_\.!~\*'\(\)\+=]{2,}"/> </xs:restriction> </xs:simpleType> <xs:pattern value="[\w\d\-_\.!~\*'\(\)\+=]+(/[\w\d\-_\.!~\*'\(\)\+=]+)*"/> </xs:restriction> </xs:simpleType> <xs:pattern value="ivo://[\w\d][\w\d\-_\.!~\*'\(\)\+=]{2,}(/[\w\d\-_\.!~\*'\(\)\+=]+(/[\w\d\-_\.!~\*'\(\)\+=]+)*)?"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> a short name or abbreviation given to something. </xs:documentation> <xs:documentation> This name will be used where brief annotations for the resource name are required. Applications may use to refer to this resource in a compact display. </xs:documentation> <xs:documentation> One word or a few letters is recommended. No more than sixteen characters are allowed. </xs:documentation> </xs:annotation> <xs:maxLength value="16"/> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> Information regarding the general curation of a resource </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:appinfo> <vm:dcterm>Publisher</vm:dcterm> </xs:appinfo> <xs:documentation> Entity (e.g. person or organisation) responsible for making the resource available </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Creator</vm:dcterm> </xs:appinfo> <xs:documentation> The entity (e.g. person or organisation) primarily responsible for creating the content or constitution of the resource. </xs:documentation> <xs:documentation> A logo need only be provided for the first occurance. When multiple logos are supplied via multiple creator elements, the application is free to choose which to use. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Contributor</vm:dcterm> </xs:appinfo> <xs:documentation> Entity responsible for contributions to the content of the resource </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Date</vm:dcterm> </xs:appinfo> <xs:documentation> Date associated with an event in the life cycle of the resource. </xs:documentation> <xs:documentation> This will typically be associated with the creation or availability (i.e., most recent release or version) of the resource. Use the role attribute to clarify. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Label associated with creation or availablilty of a version of a resource. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> Information that can be used for contacting someone with regard to this resource. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation> the name of a potentially registered resource. That is, the entity referred to may have an associated identifier. </xs:documentation> </xs:annotation> <xs:simpleContent> <xs:annotation> <xs:documentation> The URI form of the IVOA identifier for the resource refered to </xs:documentation> </xs:annotation> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:annotation> <xs:documentation> Information that can be used for contacting someone </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> the name or title of the contact person. </xs:documentation> <xs:documentation> This can be a person's name, e.g. "John P. Jones" or a group, "Archive Support Team". </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>the contact mailing address</xs:documentation> <xs:documentation> All components of the mailing address are given in one string, e.g. "3700 San Martin Drive, Baltimore, MD 21218 USA". </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>the contact email address</xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation>the contact telephone number</xs:documentation> <xs:documentation> Complete international dialing codes should be given, e.g. "+1-410-338-1234". </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <xs:annotation> <xs:documentation> The entity (e.g. person or organisation) primarily responsible for creating something </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> the name or title of the creating person or organization </xs:documentation> <xs:documentation> Users of the creation should use this name in subsequent credits and acknowledgements. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> URL pointing to a graphical logo, which may be used to help identify the information source </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <xs:simpleContent> <xs:annotation> <xs:documentation> A string indicating what the date refers to. </xs:documentation> <xs:documentation> While this vocabulary is uncontrolled, recognized strings include "creation", indicating the date that the resource itself was created, and "update", indicating when the resource was updated last. The default value, "representative", means that the date is a rough representation of the time coverage of the resource. </xs:documentation> <xs:documentation> Note that this date refers to the resource; dates describing the metadata description of the resource are handled by the "created" and "updated" attributes of the Resource element. </xs:documentation> </xs:annotation> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:annotation> <xs:documentation> Information regarding the general content of a resource </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:appinfo> <vm:dcterm>Subject</vm:dcterm> </xs:appinfo> <xs:documentation> a topic, object type, or other descriptive keywords about the resource. </xs:documentation> <xs:documentation> Terms for Subject should be drawn from the IAU Astronomy Thesaurus (http://msowww.anu.edu.au/library/thesaurus/). </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Description</vm:dcterm> </xs:appinfo> <xs:documentation> An account of the nature of the resource </xs:documentation> <xs:documentation> The description may include but is not limited to an abstract, table of contents, reference to a graphical representation of content or a free-text account of the content. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Source</vm:dcterm> </xs:appinfo> <xs:documentation> a bibliographic reference from which the present resource is derived or extracted. </xs:documentation> <xs:documentation> This is intended to point to an article in the published literature. An ADS Bibcode is recommended as a value when available. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> URL pointing to a human-readable document describing this resource. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Type</vm:dcterm> </xs:appinfo> <xs:documentation> Nature or genre of the content of the resource </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Subject</vm:dcterm> <vm:dcterm>Subject.ContentLevel</vm:dcterm> </xs:appinfo> <xs:documentation> Description of the content level or intended audience </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> a description of a relationship to another resource. </xs:documentation> <xs:documentation> Because this element's type is abstract, an xsi:type must be to indicate the set of relationship types that are valid. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <xs:simpleContent> <xs:annotation> <xs:documentation> The reference format. Recognized values include "bibcode", referring to a standard astronomical bibcode (http://cdsweb.u-strasbg.fr/simbad/refcode.html). </xs:documentation> </xs:annotation> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:enumeration value="Other"> <xs:annotation> <xs:documentation> resource that does not fall into any of the category names currently defined. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Archive"> <xs:annotation> <xs:documentation> Collection of pointed observations </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Bibliography"> <xs:annotation> <xs:documentation> Collection of bibliographic reference, abstracts, and publications </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Catalog"> <xs:annotation> <xs:documentation> Collection of derived data, primarily in tabular form </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Journal"> <xs:annotation> <xs:documentation> Collection of scholarly publications under common editorial policy </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Library"> <xs:annotation> <xs:documentation> Collection of published materials (journals, books, etc.) </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Simulation"> <xs:annotation> <xs:documentation> Theoretical simulation or model </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Survey"> <xs:annotation> <xs:documentation> Collection of observations covering substantial and contiguous areas of the sky </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Transformation"> <xs:annotation> <xs:documentation> A service that transforms data </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Education"> <xs:annotation> <xs:documentation> Collection of materials appropriate for educational use, such as teaching resources, curricula, etc. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Outreach"> <xs:annotation> <xs:documentation> Collection of materials appropriate for public outreach, such as press releases and photo galleries </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="EPOResource"> <xs:annotation> <xs:documentation> Collection of materials that may be suitable for EPO products but which are not in final product form, as in Type Outreach or Type Education. EPOResource would apply, e.g., to archives with easily accessed preview images or to surveys with easy-to-use images. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Animation"> <xs:annotation> <xs:documentation> Animation clips of astronomical phenomena </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Artwork"> <xs:annotation> <xs:documentation> Artists' renderings of astronomical phenomena or objects </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Background"> <xs:annotation> <xs:documentation> Background information on astronomical phenomena or objects </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="BasicData"> <xs:annotation> <xs:documentation> Compilations of basic astronomical facts about objects, such as approximate distance or membership in constellation. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Historical"> <xs:annotation> <xs:documentation> Historical information about astronomical objects </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Photographic"> <xs:annotation> <xs:documentation> Publication-quality photographs of astronomical objects </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Press"> <xs:annotation> <xs:documentation> Press releases about astronomical objects </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Organisation"> <xs:annotation> <xs:documentation> An organization that is a publisher or curator of other resources. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Project"> <xs:annotation> <xs:documentation> A project that is a publisher or curator of other resources </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Registry"> <xs:annotation> <xs:documentation> a query service for which response is a structured description of resources. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> <xs:enumeration value="General"> <xs:annotation> <xs:documentation> Resource provides information appropriate for all users </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Elementary Education"> <xs:annotation> <xs:documentation> Resource provides information appropriate for use in elementary education (e.g. approximate ages 6-11) </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Middle School Education"> <xs:annotation> <xs:documentation> Resource provides information appropriate for use in middle school education (e.g. approximate ages 11-14) </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Secondary Education"> <xs:annotation> <xs:documentation> Resource provides information appropriate for use in elementary education (e.g. approximate ages 14-18) </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Community College"> <xs:annotation> <xs:documentation> Resource provides information appropriate for use in community/junior college or early university education. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="University"> <xs:annotation> <xs:documentation> Resource provides information appropriate for use in university education </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Research"> <xs:annotation> <xs:documentation> Resource provides information appropriate for supporting scientific research. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Amateur"> <xs:annotation> <xs:documentation> Resource provides information of interest to amateur astronomers. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="Informal Education"> <xs:annotation> <xs:documentation> Resource provides information appropriate for education at museums, planetariums, and other centers of informal learning. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> A description of the relationship between one resource and one or more other resources. </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> the named type of relationship </xs:documentation> <xs:documentation> The VOResource Core specification defines a standard set of names that are not enforced by this schema, but are otherwise required by the spec. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> the name of resource that this resource is related to. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:complexType> <!-- - The Organisation resource type --> <xs:annotation> <xs:documentation> A named group of one or more persons brought together to pursue participation in VO applications. </xs:documentation> <xs:documentation> According to the Resource Metadata Recommendation, organisations "can be hierarchical and range in size and scope. At a high level, an organisation could be a university, observatory, or government agency. At a finer level, it could be a specific scientific project, mission, or individual researcher." </xs:documentation> <xs:documentation> The main purpose of an organisation as a registered resource is to serve as a publisher of other resources. </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> <xs:annotation> <xs:appinfo> <vm:dcterm>Subject</vm:dcterm> </xs:appinfo> <xs:documentation> the observatory or facility used to collect the data contained or managed by this resource. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:appinfo> <vm:dcterm>Subject</vm:dcterm> <vm:dcterm>Subject.Instrument</vm:dcterm> </xs:appinfo> <xs:documentation> the Instrument used to collect the data contain or managed by a resource. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <!-- - The Service resource type --> <xs:annotation> <xs:documentation> a resource that can be invoked by a client to perform some action on its behalf. </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> <xs:annotation> <xs:appinfo> <vm:dcterm>Rights</vm:dcterm> </xs:appinfo> <xs:documentation> Information about rights held in and over the resource. </xs:documentation> <xs:documentation> This should be repeated for all Rights values that apply. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> a description of a general capability of the service and how to use it. </xs:documentation> <xs:documentation> This describes a general function of the service, usually in terms of a standard service protocol (e.g. SIA), but not necessarily. </xs:documentation> <xs:documentation> A service can have many capabilities associated with it, each reflecting different aspects of the functionality it provides. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> <xs:enumeration value="public"> <xs:annotation> <xs:documentation> unrestricted, public access is allowed without authentication. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="secure"> <xs:annotation> <xs:documentation> authenticated, public access is allowed. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="proprietary"> <xs:annotation> <xs:documentation> only proprietary access is allowed with authentication. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> <xs:annotation> <xs:documentation> a description of what the service does (in terms of context-specific behavior), and how to use it (in terms of an interface) </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> A numeric grade describing the quality of the capability description and interface, when applicable, to be used to indicate the confidence an end-user can put in the resource as part of a VO application or research study. </xs:documentation> <xs:documentation> See vr:ValidationLevel for an explanation of the allowed levels. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> A human-readable description of what this capability provides as part of the over-all service </xs:documentation> <xs:documentation> Use of this optional element is especially encouraged when this capability is non-standard and is one of several capabilities listed. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> a description of how to call the service to access this capability </xs:documentation> <xs:documentation> Since the Interface type is abstract, one must describe the interface using a subclass of Interface, denoting it via xsi:type. </xs:documentation> <xs:documentation> Multiple occurances can describe different interfaces to the logically same capability--i.e. data or functionality. That is, the inputs accepted and the output provides should be logically the same. For example, a WebBrowser interface given in addition to a WebService interface would simply provide an interactive, human-targeted interface to the underlying WebService interface. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> <xs:annotation> <xs:documentation> A URI identifier for a standard service. </xs:documentation> <xs:documentation> This provides a unique way to refer to a service specification standard, such as a Simple Image Access service. The use of an IVOA identifier here implies that a VOResource description of the standard is registered and accessible. </xs:documentation> </xs:annotation> </xs:attribute> </xs:complexType> <xs:annotation> <xs:documentation> A description of a service interface. </xs:documentation> <xs:documentation> Since this type is abstract, one must use an Interface subclass to describe an actual interface. </xs:documentation> <xs:documentation> Additional interface subtypes (beyond WebService and WebBrowser) are defined in the VODataService schema. </xs:documentation> </xs:annotation> <xs:sequence> <xs:annotation> <xs:documentation> The URL (or base URL) that a client uses to access the service. How this URL is to be interpreted and used depends on the specific Interface subclass </xs:documentation> <xs:documentation> When more than one URL is given, each represents an alternative (i.e. mirror) endpoint whose behavior is identical to all the other accessURLs listed. </xs:documentation> <xs:documentation> Editor's note: this element assumes that all registered services are inherently web based. </xs:documentation> </xs:annotation> </xs:element> <xs:annotation> <xs:documentation> the mechanism the client must employ to gain secure access to the service. </xs:documentation> <xs:documentation> when more than one method is listed, each one must be employed to gain access. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> <xs:annotation> <xs:documentation> The version of a standard interface specification that this interface complies with. When the interface is provided in the context of a Capability element, then the standard being refered to is the one identified by the Capability's standardID element. If the standardID is not provided, the meaning of this attribute is undefined. </xs:documentation> </xs:annotation> </xs:attribute> <xs:annotation> <xs:documentation> A tag name the identifies the role the interface plays in the particular capability. If the value is equal to "std" or begins with "std:", then the interface refers to a standard interface defined by the standard referred to by the capability's standardID attribute. </xs:documentation> <xs:documentation> For an interface complying with some registered standard (i.e. has a legal standardID), the role can be match against interface roles enumerated in standard resource record. The interface descriptions in the standard record can provide default descriptions so that such details need not be repeated here. </xs:documentation> </xs:annotation> </xs:attribute> </xs:complexType> <xs:simpleContent> <xs:annotation> <xs:documentation> A flag indicating whether this should be interpreted as a base URL, a full URL, or a URL to a directory that will produce a listing of files. </xs:documentation> <xs:documentation> The default value assumed when one is not given depends on the context. </xs:documentation> </xs:annotation> <xs:simpleType> <xs:enumeration value="full"> <xs:annotation> <xs:documentation> Assume a full URL--that is, one that can be invoked directly without alteration. This usually returns a single document or file. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="base"> <xs:annotation> <xs:documentation> Assume a base URL--that is, one requiring an extra portion to be appended before being invoked. </xs:documentation> </xs:annotation> </xs:enumeration> <xs:enumeration value="dir"> <xs:annotation> <xs:documentation> Assume URL points to a directory that will return a listing of files. </xs:documentation> </xs:annotation> </xs:enumeration> </xs:restriction> </xs:simpleType> </xs:attribute> </xs:extension> </xs:simpleContent> </xs:complexType> <xs:annotation> <xs:documentation> a description of a security mechanism. </xs:documentation> <xs:documentation> this type only allows one to refer to the mechanism via a URI. Derived types would allow for more metadata. </xs:documentation> </xs:annotation> <xs:sequence/> <xs:annotation> <xs:documentation> A URI identifier for a standard security mechanism. </xs:documentation> <xs:documentation> This provides a unique way to refer to a security specification standard. The use of an IVOA identifier here implies that a VOResource description of the standard is registered and accessible. </xs:documentation> </xs:annotation> </xs:attribute> </xs:complexType> <xs:annotation> <xs:documentation> A (form-based) interface intended to be accesed interactively by a user via a web browser. </xs:documentation> <xs:documentation> The accessURL represents the URL of the web form itself. </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence/> </xs:extension> </xs:complexContent> </xs:complexType> <xs:annotation> <xs:documentation> A Web Service that is describable by a WSDL document. </xs:documentation> <xs:documentation> The accessURL element gives the Web Service's endpoint URL. </xs:documentation> </xs:annotation> <xs:complexContent> <xs:sequence> <xs:annotation> <xs:documentation> The location of the WSDL that describes this Web Service. If not provided, the location is assumed to be the accessURL with "?wsdl" appended. </xs:documentation> <xs:documentation> Multiple occurances should represent mirror copies of the same WSDL file. </xs:documentation> </xs:annotation> </xs:element> </xs:sequence> </xs:extension> </xs:complexContent> </xs:complexType> </xs:schema> |
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