Note that if D requires the directive Dialect(D) as part of its syntax then this implies that any D-admissible document http://www.datingranking.net/tr/wamba-inceleme must have this directive. ?
A round-falling of an enthusiastic admissible file within the an effective dialect, D, is a beneficial semantics-preserving mapping to help you a file in just about any code L followed by a beneficial semantics-retaining mapping on L-file back again to a keen admissible D-file. While semantically similar, the initial and the round-set-off D-documents need not be identical.
4.step one XML toward RIF-FLD Code
RIF-FLD spends [XML1.0] for its XML syntax. The new XML serialization to possess RIF-FLD try switching otherwise fully striped [ANF01]. A completely striped serialization feedback XML documents as the things and you will splits every XML labels on the classification descriptors, named variety of tags, and you can assets descriptors, entitled part labels [TRT03]. We follow the community of utilizing capitalized labels to have particular labels and lowercase brands getting character labels.
The all-uppercase classes in the EBNF of the presentation syntax, such as Algorithm, become XML Schema groups in Appendix XML Schema for FLD. They are not visible in instance markup. The other classes as well as non-terminals and symbols (such as Can be found or =) become XML elements with optional attributes, as shown below.
To have capacity for site, the initial algorithms are included at the top
The RIF serialization framework for the syntax of Section EBNF Grammar for the Presentation Syntax of RIF-FLD uses the following XML tags. While there is a RIF-FLD element tag for the Import directive and an attribute for the Dialect directive, there are none for the Legs and Prefix directives: they are handled as discussed in Section Mapping from the RIF-FLD Presentation Syntax to the XML Syntax.
The name out of an effective prefix isn’t of the an XML feature, because it’s addressed thru preprocessing as the chatted about for the Area Mapping of the Non-annotated RIF-FLD Words.
The id and meta elements, which are expansions of the IRIMETA element, can occur optionally as the initial children of any Class element.
The XML syntax for symbol spaces uses the type attribute associated with the XML element Const. For instance, a literal in the xs:dateTime datatype is represented as
The xml:lang attribute, as defined by 2.12 Language Identification of XML 1.0 or its successor specifications in the W3C recommendation track, is optionally used to identify the language for the presentation of the Const to the user. It is allowed only in association with constants of the type rdf:plainLiteral. A compliant implementation MUST ignore the xml:lang attribute if the type of the Const is not rdf:plainLiteral.
This case shows a keen XML serialization toward formulas into the Example step 3. Getting top readability, i once more make use of the shortcut syntax defined from inside the [RIF-DTB].
This section defines a normative mapping, ?fld, from the presentation syntax of Section EBNF Grammar for the Presentation Syntax of RIF-FLD to the XML syntax of RIF-FLD. The mapping is given via tables where each row specifies the mapping of a particular syntactic pattern in the presentation syntax. These patterns appear in the first column of the tables and the bold-italic symbols represent metavariables. The second column represents the corresponding XML patterns, which may contain applications of the mapping ?fld to these metavariables. When an expression ?fld(metavar) occurs in an XML pattern in the right column of a translation table, it should be understood as a recursive application of ?fld to the presentation syntax represented by the metavariable. The XML syntax result of such an application is substituted for the expression ?fld(metavar). A sequence of terms containing metavariables with subscripts is indicated by an ellipsis. A metavariable or a well-formed XML subelement is marked as optional by appending a bold-italic question mark, ?, to its right.