Implementation of an XML Schema describing a Cone Search Service. Based on "Simple Cone Search: a First Guide for Data Curators", http://www.us-vo.org/metadata/conesearch/. Diff: a standard service that returns catalog entries with a position falling within a cone on the sky (given by a position and a radius). The standard ConeSearch interface is defined to be ParamHTTP; the specifics of this interface (e.g. the supported inputs) can be given using xsi:type="ParamHTTP" with the Interface element. Other alternative (and therefore non-standard) interfaces may also be described (e.g. a WebService version). a description of how this particular ConeSearch service behaves. It is not necessary to provide a value to the standardURL attribute as it defaults to the current standard location. an abstract capability that sets the standardURL to the ConeSearch standard definition The capabilities of a Cone Search implementation. It includes the listing of the columns that appear in image query output VOTable and Cone Search-specific metadata. The largest search radius, in degrees, that will be accepted by the service without returning an error condition. Use 180.0 if there is no restriction. The largest number of records that the service will return. True if the service supports the VERB keyword; false, otherwise.