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Publication format

Starting with version 0.8, the AIXM Business Rules are provided in two formats:

  • as an XML file, which preserves the information about "templates" - , which are used in the definition of the majority of the rules. The XML format is intended to be used for automating the development of data validation services, which could generate code directly from the SBVR structured rules and templates
  • as an a table in HTML and Excel file, which is are created by converting the original XML file into HTML and then importing it into MS Excel. The purpose of the Excel file is to facilitate the transition, as the previous versions have been published only in Excel format. Also, the Excel format is more convenient for human used, as it allows sorting and filtering of the rules.

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Code Block
languagexml
themeConfluence
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<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="AIXM-BR-SBVR.xsl"?><AIXM-BR-SBVR xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	criteriaUID="..."
	criteriaText="..."
	criteriaCategory="..."
	criteriaStatus="Rule accepted"
	criteriaSource="..."
	criteriaAssignee="..."
    criteriaAIXMversion="..."
	criteriaProfile="Event:Warning"
	criteriaRights="..."
	exportedAt="2019-01-04T12:32:47.111Z"
    xsi:noNamespaceSchemaLocation="AIXM-BR-SBVR.xsd">
    <!-- all criteria used to select the rules are included as attributes of the root element.
        Criteria not used are left out. A time stamp for the export is added.  -->
    <rule uid="AIXM-5.1_RULE-1A5E00">
        <!-- example for a simple rule -->
        <profiles>
            <!-- for each applicable profile, include a profile element here. -->
            <profile>
				<name>EAD</name>
				<level>Error</level>
			</profile>
            <profile>
				<name>etc. if applicable</name>
				<level>...</level>
			</profile>
        </profiles>
        <!-- attention, the order of the fields is slightly different from the Excel export. References are at the end, as they are less important. -->
        <name>GML Profile - Geographic Reference Systems supported</name>
        <aixm_class>*</aixm_class>
        <aixm_attributes>*</aixm_attributes>
        <aixm_association/>
        <!-- empty fields should be included as they will make simpler the script for generating a HTML table at the end --> 
        <sbvr>
            <!-- export here rule tagged description --> 
            <keyword>It is prohibited that assigned</keyword> <noun_concept>srsName</noun_concept> <keyword>value</keyword> <keyword>not</keyword> <keyword>equal-to</keyword> <name>('urn:ogc:def:crs:EPSG::4326', 'urn:ogc:def:crs:EPSG::4258', 'urn:ogc:def:crs:EPSG::4322', 'urn:ogc:def:crs:EPSG::4230', 'urn:ogc:def:crs:EPSG::4668', 'urn:ogc:def:crs:EPSG::4312', 'urn:ogc:def:crs:EPSG::4215', 'urn:ogc:def:crs:EPSG::4801', 'urn:ogc:def:crs:EPSG::4149', 'urn:ogc:def:crs:EPSG::4275', 'urn:ogc:def:crs:EPSG::4746', 'urn:ogc:def:crs:EPSG::4121', 'urn:ogc:def:crs:EPSG::4658', 'urn:ogc:def:crs:EPSG::4299', 'urn:ogc:def:crs:EPSG::4806', 'urn:ogc:def:crs:EPSG::4277', 'urn:ogc:def:crs:EPSG::4207', 'urn:ogc:def:crs:EPSG::4274', 'urn:ogc:def:crs:EPSG::4740', 'urn:ogc:def:crs:EPSG::4313', 'urn:ogc:def:crs:EPSG::4124', 'urn:ogc:def:crs:EPSG::4267', 'urn:ogc:def:crs:EPSG::4269', 'urn:ogc:def:crs:OGC:1.3:CRS84')</name>
        </sbvr>
        <sbvr_html>
            <!-- export here the formatted SBVR from the HMI with HTML tags -->
            <font color="FF9900">It is prohibited that assigned</font> <font color="008080"><u><b>srsName</b></u></font> <font color="FF9900">value</font> <font color="FF9900">not</font> <font color="FF9900">equal-to</font> <font color="339966">('urn:ogc:def:crs:EPSG::4326', 'urn:ogc:def:crs:EPSG::4258', 'urn:ogc:def:crs:EPSG::4322', 'urn:ogc:def:crs:EPSG::4230', 'urn:ogc:def:crs:EPSG::4668', 'urn:ogc:def:crs:EPSG::4312', 'urn:ogc:def:crs:EPSG::4215', 'urn:ogc:def:crs:EPSG::4801', 'urn:ogc:def:crs:EPSG::4149', 'urn:ogc:def:crs:EPSG::4275', 'urn:ogc:def:crs:EPSG::4746', 'urn:ogc:def:crs:EPSG::4121', 'urn:ogc:def:crs:EPSG::4658', 'urn:ogc:def:crs:EPSG::4299', 'urn:ogc:def:crs:EPSG::4806', 'urn:ogc:def:crs:EPSG::4277', 'urn:ogc:def:crs:EPSG::4207', 'urn:ogc:def:crs:EPSG::4274', 'urn:ogc:def:crs:EPSG::4740', 'urn:ogc:def:crs:EPSG::4313', 'urn:ogc:def:crs:EPSG::4124', 'urn:ogc:def:crs:EPSG::4267', 'urn:ogc:def:crs:EPSG::4269', 'urn:ogc:def:crs:OGC:1.3:CRS84')</font>
        </sbvr_html>
        <comments>Only the coordinate reference system listed in Appendix 1 of the GML Guidelines for Aviation Data shall be used.</comments>
        <diagnostics>Only the coordinate reference system listed in Appendix 1 of the GML Guidelines for Aviation Data shall be used.</diagnostics>
        <timeslice>All</timeslice>
        <category>Standard (ICAO, industry, etc.)</category>
        <source>ICAO Annex 15</source>
        <reference>Appendix 1</reference>
        <schematron>
            <context>//*[@srsName]</context>
            <code>@srsName=( 
                'urn:ogc:def:crs:EPSG::4326', 
                'urn:ogc:def:crs:EPSG::4258', 
                'urn:ogc:def:crs:EPSG::4322', 
                'urn:ogc:def:crs:EPSG::4230', 
                'urn:ogc:def:crs:EPSG::4668', 
                'urn:ogc:def:crs:EPSG::4312', 
                'urn:ogc:def:crs:EPSG::4215', 
                'urn:ogc:def:crs:EPSG::4801', 
                'urn:ogc:def:crs:EPSG::4149', 
                'urn:ogc:def:crs:EPSG::4275', 
                'urn:ogc:def:crs:EPSG::4746', 
                'urn:ogc:def:crs:EPSG::4121', 
                'urn:ogc:def:crs:EPSG::4658', 
                'urn:ogc:def:crs:EPSG::4299', 
                'urn:ogc:def:crs:EPSG::4806', 
                'urn:ogc:def:crs:EPSG::4277', 
                'urn:ogc:def:crs:EPSG::4207', 
                'urn:ogc:def:crs:EPSG::4274', 
                'urn:ogc:def:crs:EPSG::4740', 
                'urn:ogc:def:crs:EPSG::4313', 
                'urn:ogc:def:crs:EPSG::4124', 
                'urn:ogc:def:crs:EPSG::4267', 
                'urn:ogc:def:crs:EPSG::4269', 
                'urn:ogc:def:crs:OGC:1.3:CRS84' 
                )</code>
        </schematron>
    </rule>
    <templateUID<template uid="1ACF48">
        <!-- example for a templated rule -->
        <profiles>
            <!-- for each applicable profile, include a profile element here. -->
            <profile>
				<name>EAD</name>
				<level>Error</level>
			</profile>
            <profile>
				<name>etc. if applicable</name>
				<level>...</level>
			</profile>
        </profiles>
        <!-- attention, the order of the fields is slightly different from the Excel export. References are at the end, as they are less important. -->
        <name>Mandatory unit of measurement</name>
        <aixm_class>${entity}</aixm_class>
        <aixm_attributes>${property}</aixm_attributes>
        <aixm_association/>
        <!-- empty fields should be included as they will make simpler the script for generating a HTML table at the end --> 
        <sbvr>
            <!-- export here rule tagged description --> 
            <keyword>Each </keyword><noun_concept>${entity}</noun_concept> <keyword>with assigned</keyword> <noun_concept>${property}</noun_concept> <keyword>shall</keyword> <verb_concept-concept>have</verb_concept-concept> <keyword>assigned</keyword>  <noun_concept>${property}.uom</noun_concept> <keyword>value</keyword> 
        </sbvr>
        <sbvr_html>
            <!-- export here the formatted SBVR from the HMI with HTML tags -->
            <font color="#ff9900">Each </font><strong><u><font color="#008080">${entity}</font></u></strong> <font color="#ff9900">with assigned</font> <strong><u><font color="#008080">${property}</font></u></strong> <font color="#ff9900">shall</font> <em><font color="#0000ff">have</font></em> <font color="#ff9900">assigned</font>  <strong><u><font color="#008080">${property}.uom</font></u></strong> <font color="#ff9900">value</font><u><font color="#008080"><b></b></font></u><font color="#008080"></font><u><b></b></u><b></b><u><font color="#008080"></font></u><font color="#008080"></font>
        </sbvr_html>
        <comments>The Unit of measurement shall be specified if a value is specified for a property with uom attribute.</comments>
        <diagnostics>Found ${entity} with assigned ${property} value missing unit of measurement</diagnostics>
        <timeslice>All</timeslice>
        <category>Coding rule</category>
        <source>AIXM Model</source>
        <reference/>
        <schematron>
            <context>//aixm:${entity}/aixm:${property} | //aixm:${entity}TimeSlice/aixm:${property}</context>
            <code>string-length(.)=0 or string-length(@uom)!=0</code>
        </schematron>
        <instances>
            <instance UID="AIXM-5.1_RULE-D8CC1">
                <profiles>
                    <!-- for each applicable profile specified, include a profile element here. -->
                    <profile>
						<name>etc. if applicable</name>
						<level>...</level>
					</profile>
                </profiles>
                <parameters>
                    <parameter name="entity">AerialRefuellingAnchor</parameter>
                    <parameter name="property">speedLimit</parameter>
                </parameters>
            </instance>
            <instance UID="AIXM-5.1_RULE-D8CC3">
                <profiles>
                    <!-- for each applicable profile specified, include a profile element here. -->
                    <profile>
						<name>etc. if applicable</name>
						<level>...</level>
					</profile>
                </profiles>
                <parameters>
                    <parameter name="entity">AerialRefuellingAnchor</parameter>
                    <parameter name="property">legLength</parameter>
                </parameters>
            </instance>
            <!-- etc. -->
        </instances>
    </template>
</AIXM-BR-SBVR>

Three files have to be considered together:

Tabular format

HTML

First, an XSL stylesheet is used to convert the AIXM-BR-SBVR.xml

...

export file into a single HTML table, where templates are instantiated.

The transformation can also be done with a browser such as Internet Explorer, which is able to process the XSL styling information. For that purpose:

  1. copy the AIXM-BR-SBVR.

...

  1. xsl transformation file next to the AIXM-BR-SBVR.xml export file,

...

  1. open the AIXM-BR-SBVR.

...

The XSL stylesheet is used to convert the AIXM-BR-SBVR.xml export file into a single HTML table, where templates are instantiated.

For that, you simply have to:

  1. copy the AIXM-BR-SBVR.xsl transformation file next to the AIXM-BR-SBVR.xml export file,
  2. open the AIXM-BR-SBVR.xml export file with Internet Explorer, or with any XSLT compatible tool (like an XML editor ).

The result in tabular format looks like this:

Image Removed

...

As explained in the Introduction, not all systems apply the same rules, in particular when it comes to minimal data - what is critical for a system might be of no relevance for another system. The error level of a rule may also depend on the profile.
The profile to which a rule belongs is indicated starting from the second column in Excel or through the Profile child element of each rule/template/instance in the XML export. Two error levels are used in the profiles ("Error" or "Warning").

ICAO AIP Data Set Profile

Warning

Work in progress.

This profile will contain a selection of business rules that are applied when providing an AIP Data Set, as specified in the ICAO PANS-AIM (DOC 10066).

ICAO Obstacle Data Set Profile

Warning

Work in progress.

This profile will contain a selection of business rules that are applied when providing an Obstacle Data Set, as specified in the ICAO PANS-AIM (DOC 10066).

ICAO Instrument Flight Procedures Data Set Profile

Warning

Work in progress.

This profile will contain a selection of business rules that are applied when providing an Instrument Flight Procedures Data Set, as specified in the ICAO PANS-AIM (DOC 10066).

EAD Data Provider

This profile contains a selection of AIXM features and business rules that are imposed when providing data to the European AIS Database (EAD). These rules are classified into two error levels:

  • Warning - indicates that the rule is part of the EAD Profile and failure to comply will generate a Warning message. However, the data will be accepted by the EAD.
  • Error - indicates that the rule is part of the EAD Profile and failure to comply will generate an upload Error message. It indicates that the whole data set will be rejected. This is the case for rules that prevent data processing failures in EAD. For example, some AIXM 5.1 data needs to be mapped back to AIXM 4.5, which requires some mandatory attributes to be present in the upload file. Therefore, the rules that ensure the presence of these mandatory values are part of the EAD_Error profile.

Event profile

This profile will contain a selection of AIXM features and business rules that can be used in order to verify the correctness and completeness of Digital NOTAM data sets. This shall be included in the Digital NOTAM Event Specification (starting with version 2.0).

Event_FAA profile

...

  1. xml export file with Internet Explorer, or with any XSLT compatible tool (like an XML editor ).

The result in HTML tabular format looks like this:


Warning

The HTML export has an editorial issue - a <parameter> element appears in some places, after a line break. The new line is displayed as a white space in the Rule textual description and tagged description. For example, in rule D6D81 displayed below, there is a white space before the value 'M' (... equal-to ' M' has ... instead of ... equal-to 'M' has ...). This editorial issue is propagated in the Excel file created as explained further down. For system that used to import the Excel file with the rules and generate data verification code automatically, this can result into erroneous code. 

Until the script is corrected, this editorial issue can be resolved by editing the HTML file with a text editor able to do find/replace based on regular expressions and removing all the new line and whitespace that precede the element <parameter name=....>. For example, in OxygenXML this can be done using

Find  '\n\s*<parameter

Replace '<parameter

with "Regular expression" option enabled.



UIDProfile: EADProfile: EventProfile: Event_FAASourceReferenceRule textual descriptionRule tagged descriptionCommentsDiagnosticsAIXM ClassAIXM AttributesAIXM AssociationsTimeslice ApplicabilityCategoryName
AIXM-5.1_RULE-D6D81Warning

ICAO Annex 11Table A5-2; Volume 2 Table A1-2It is prohibited that AirportHeliport with assigned ARP.ElevatedPoint.verticalAccuracy value and ARP.ElevatedPoint.verticalAccuracy.uom equal-to ' M' has ARP.ElevatedPoint.verticalAccuracy value higher-than 0.5<keyword> It is prohibited that </keyword><noun_concept> AirportHeliport </noun_concept><keyword> with assigned </keyword><noun_concept> ARP.ElevatedPoint.verticalAccuracy </noun_concept><keyword> value </keyword><keyword> and </keyword><noun_concept> ARP.ElevatedPoint.verticalAccuracy.uom </noun_concept><keyword> equal-to </keyword><name> ' M' </name><verb_concept> has </verb_concept><noun_concept> ARP.ElevatedPoint.verticalAccuracy </noun_concept><keyword> value </keyword><keyword> higher-than </keyword>The accuracy of the AirportHeliport ARP.ElevatedPoint.verticalAccuracy shall be not less than 0.5Found AirportHeliport with insufficient vertical accuracy (ARP.ElevatedPoint.verticalAccuracy)AirportHeliportARP.ElevatedPoint.verticalAccuracy

Standard (ICAO, industry, etc.)Accuracy (vertical) - AirportHeliport
AIXM-5.1_RULE-D6D8AWarning

ICAO Annex 11Table A5-2; Volume 2 Table A1-2It is prohibited that RunwayCentrelinePoint with assigned location.ElevatedPoint.verticalAccuracy value and location.ElevatedPoint.verticalAccuracy.uom equal-to ' M' has location.ElevatedPoint.verticalAccuracy value higher-than 0.25<keyword> It is prohibited that </keyword><noun_concept> RunwayCentrelinePoint </noun_concept><keyword> with assigned </keyword><noun_concept> location.ElevatedPoint.verticalAccuracy </noun_concept><keyword> value </keyword><keyword> and </keyword><noun_concept> location.ElevatedPoint.verticalAccuracy.uom </noun_concept><keyword> equal-to </keyword><name> ' M' </name><verb_concept> has </verb_concept><noun_concept> location.ElevatedPoint.verticalAccuracy </noun_concept><keyword> value </keyword><keyword> higher-than </keyword>The accuracy of the RunwayCentrelinePoint location.ElevatedPoint.verticalAccuracy shall be not less than 0.25Found RunwayCentrelinePoint with insufficient vertical accuracy (location.ElevatedPoint.verticalAccuracy)RunwayCentrelinePointlocation.ElevatedPoint.verticalAccuracy

Standard (ICAO, industry, etc.)Accuracy (vertical) - RunwayCentrelinePoint


Excel

Finally, the HTML table was imported in Microsoft Word and then copied into Excel. Here, the file was sorted by AIXM Class, AIXM Attribute and AIXM Associations. In addition, filters have been defined for the various 'Profile' columns.

The result in the form of en Excel table looks like this:

Image Added