VODataService xs vs An extension to the core resource metadata (VOResource) for describing data collections and services. Diff 0.2-0.1: Service and subelements moved to VOResource core A logical grouping of data which, in general, is composed of one or more accessible datasets. (A dataset is a collection of digitally-encoded data with a that is normally accessible as a single unit, e.g. a file.) a description about how a data collection may be accessed Specifically, this is a URL that can be used to download the data contained in the data collection in question. The physical or digital manifestation of the information supported by a resource. MIME types should be used for network-retrievable, digital data. Non-MIME type values are used for media that cannot be retrieved over the network--e.g. CDROM, poster, slides, video cassette, etc. if true, then the content is a MIME Type Rights Information about rights held in and over the resource. unrestricted, public access is allowed unrestricted, public access is allowed without authentication. authenticated, public access is allowed. only proprietary access is allowed with authentication. A service for accessing astronomical data A service invoked via an HTTP Query (either Get or Post) with a set of arguments consisting of keyword name-value pairs. Note that the URL for help with this service can be put into the Service/ReferenceURL element. This is used as a base type for extended Interface types. It simply restricts the value of Invocation to be "Extended". an input parameter. This should be rendered as name=value in the query URL's arguements. The type of HTTP request, either GET or POST. The MIME type of a document returned by an HTTP Get. The columns returned in a VOTable. This element is recommended for use within extensions of the Capability element. A service that interacts with one or more specified tables having some coverage of the sky, time, and/or frequency. A table with sky coverage typically have columns that give longitude-latitude positions in some coordinate system. a description of a table and its columns. a name for the role this table plays. Recognized values include "out", indicating this table is output from a query. a description of a table column. a description of a parameter a (VOTable-supported) data type the measurement unit associated with a measurement. the name of a unified content descriptor. See ....