diff --git a/csv/prop/datatypeprop.csv b/csv/prop/datatypeprop.csv
index 56dadcd..0cc6add 100644
--- a/csv/prop/datatypeprop.csv
+++ b/csv/prop/datatypeprop.csv
@@ -1,34 +1,34 @@
-Concept,Domain,Range,Label,Definition,Comment,Core Property?,ISO 19111,IGN 2019,Proj4RDF,GeoSPARQL,,IGN Definition,ISO Definition
-,,,,,,,,ign:axisAbbrev,geocrs:abbreviation,,,"The abbreviation used to identify an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis abbreviation.",
-,,,,,,,,,geocrs:asProj4,,,,
-,,,,,,,,,geocrs:asProjJSON,,,,
-,,,,,,,,,geocrs:asWKT,gsp:asWKT,,,
-,,,,,,,iso19111:anchorDefinition,,,,,,
-,,,,,,,,ign:axisDirection,,,,"The direction of an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis direction.",
-,,,,,,,,ign:codeSpace,,,,"Rule or authority for a code, name, term or category.",
-,,,,,,,,,geocrs:coordinateEpoch,,,,
-,,,,,,,,ign:eastBoundLongitude,,,,"Indicates the east bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 346.",
-,,,,,,,,ign:epsgID,geocrs:epsgCode,,,The EPSG identifier of the resource.,
-,,,,,,,,,geocrs:eccentricity,,,,
-,,,,,,,iso19111:formula,,,,,,
-,,,,,,,iso19111:formulaCitation,,,,,,
-,,,,,,,,,geocrs:isBound,,,,
-,,,,,,,,,geocrs:isDeprecated,,,,
-,,,,,,,,,geocrs:isGeocentric,,,,
-,,,,,,,,,geocrs:isGeographic,,,,
-,,,,,,,,,geocrs:isProjected,,,,
-,,,,,,,iso19111:isSphere,ign:isSphere,geocrs:isSphere,,,"Indicates whether the ellipsoid is a sphere. Cf. ISO 19111:2007:2007-07, table 37, attribute ellipsoid=sphere indicator.",
-,,,,,,,,,geocrs:isVertical,,,,
-,,,,,,,iso19111:maximumOccurs,,,,,,
-,,,,,,,,ign:methodFormula,,,,"The formula used by a method to perform an operation on coordinates. Cf. ISO 19111:2007:2007-07, table 48, attribute coordinate operation method formula reference.",
-,,,,,,,iso19111:minimumOccurs,,,,,,
-,,,,,,,,ign:northBoundLatitude,,,,"Indicates the north bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 348.",
-,,,,,,,iso19111:operationVersion,ign:operationVersion,,,,"The version of an operation performed on coordinates. Cf. ISO 19111:2007:2007-07, table 42, attribute coordinate operation version.",
-,,,,,,,iso19111:parameterValue,,,,,,
-,,,,,,,iso19111:publicationDate,,,,,,
-,,,,,,,iso19111:realizationMethod,,,,,,
-,,,,,,,,ign:scope,geocrs:scope,,,"The scope of the referring object. Cf. ISO 19111:2007:2007-07, tables 4, 33 et 42, attribute scope.",
-,,,,,,,,ign:sourceDimension,,,,"The dimension of the coordinate reference system associated with the data used as input of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of source CRS.",
-,,,,,,,,ign:southBoundLatitude,,,,"Indicates the south bound latitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 347.",
-,,,,,,,,ign:targetDimension,,,,"The dimension of the coordinate reference system associated with the data obtained as output of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of target CRS.",
-,,,,,,,,ign:westBoundLongitude,,,,"Indicates the west bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 345.",
\ No newline at end of file
+Concept,Domain,Range,Label,Definition,Comment,Core Property?,ISO 19111,IGN 2019,Proj4RDF,GeoSPARQL,,IGN Definition,ISO Definition
+,,,Axis abbreviation,"The abbreviation used to identify an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis abbreviation.",,,,ign:axisAbbrev,geocrs:abbreviation,,,"The abbreviation used to identify an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis abbreviation.",
+,,,PROJ4 string,PROJ4 string defining a CRS. Note: this paradigm is ambiguous and presently considered outdated.,,,,,geocrs:asProj4,,,,
+,,,PROJ JSON definition,CRS definition encoded as a JSON object interpretable by PROJ4.,,,,,geocrs:asProjJSON,,,,
+,,,WKT definition,CRS definition encoded according to the Well Known Text structure. Cf. ISO 19162:2019. ,,,,,geocrs:asWKT,gsp:asWKT,,,
+,,,Anchor definition,,,,iso19111:anchorDefinition,,,,,,
+,,,Axis direction,"The direction of an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis direction.",,,,ign:axisDirection,,,,"The direction of an axis. Cf. ISO 19111:2007:2007-07, table 27, attribute coordinate system axis direction.",
+,,,Code space,"Rule or authority for a code, name, term or category.",,,,ign:codeSpace,,,,"Rule or authority for a code, name, term or category.",
+,,,Coordinate Epoch,,,,,,geocrs:coordinateEpoch,,,,
+,,,East Bound Longitude,"Indicates the east bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 346.",,,,ign:eastBoundLongitude,,,,"Indicates the east bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 346.",
+,,,EPSG code,Identifier of this resource in the EPSG Geodetic Parameter Dataset.,,,,ign:epsgID,geocrs:epsgCode,,,The EPSG identifier of the resource.,
+,,,Eccentricity,A measure of much an ellipse deviates from a perfect circle.,,,,,geocrs:eccentricity,,,,
+,,,Formula,,,,iso19111:formula,,,,,,
+,,,Formula citation,,,,iso19111:formulaCitation,,,,,,
+,,,Is bound,,,,,,geocrs:isBound,,,,
+,,,Is deprecated,Indicates whether the subject resource is deprecated.,,,,,geocrs:isDeprecated,,,,
+,,,Is geocentric,Indicates whether the subject resource id geocentric.,,,,,geocrs:isGeocentric,,,,
+,,,Is geographic,"Indicates whether the subject CRS strictly comprises a geodetic datum, without map function to the Cartesian plane.",,,,,geocrs:isGeographic,,,,
+,,,Is projected,Indicates whether the subject CRS includes a map projection mapping points on the datum surface to the Cartesian plane.,,,,,geocrs:isProjected,,,,
+,,,Is a sphere,"Indicates whether the ellipsoid is a sphere. Cf. ISO 19111:2007:2007-07, table 37, attribute ellipsoid=sphere indicator.",,,iso19111:isSphere,ign:isSphere,geocrs:isSphere,,,"Indicates whether the ellipsoid is a sphere. Cf. ISO 19111:2007:2007-07, table 37, attribute ellipsoid=sphere indicator.",
+,,,,,,,,,geocrs:isVertical,,,,
+,,,,,,,iso19111:maximumOccurs,,,,,,
+,,,Method formula,"The formula used by a method to perform an operation on coordinates. Cf. ISO 19111:2007:2007-07, table 48, attribute coordinate operation method formula reference.",,,,ign:methodFormula,,,,"The formula used by a method to perform an operation on coordinates. Cf. ISO 19111:2007:2007-07, table 48, attribute coordinate operation method formula reference.",
+,,,,,,,iso19111:minimumOccurs,,,,,,
+,,,North bound latitude,"Indicates the north bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 348.",,,,ign:northBoundLatitude,,,,"Indicates the north bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 348.",
+,,,Operation version,"The version of an operation performed on coordinates. Cf. ISO 19111:2007:2007-07, table 42, attribute coordinate operation version.",,,iso19111:operationVersion,ign:operationVersion,,,,"The version of an operation performed on coordinates. Cf. ISO 19111:2007:2007-07, table 42, attribute coordinate operation version.",
+,,,Parameter value,,,,iso19111:parameterValue,,,,,,
+,,,Publication date,,,,iso19111:publicationDate,,,,,,
+,,,Realisation method,,,,iso19111:realizationMethod,,,,,,
+,,,Scope,"The scope of the referring object. Cf. ISO 19111:2007:2007-07, tables 4, 33 et 42, attribute scope.",,,,ign:scope,geocrs:scope,,,"The scope of the referring object. Cf. ISO 19111:2007:2007-07, tables 4, 33 et 42, attribute scope.",
+,,,Source dimension,"The dimension of the coordinate reference system associated with the data used as input of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of source CRS.",,,,ign:sourceDimension,,,,"The dimension of the coordinate reference system associated with the data used as input of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of source CRS.",
+,,,South bound latitude,"Indicates the south bound latitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 347.",,,,ign:southBoundLatitude,,,,"Indicates the south bound latitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 347.",
+,,,Target dimension,"The dimension of the coordinate reference system associated with the data obtained as output of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of target CRS.",,,,ign:targetDimension,,,,"The dimension of the coordinate reference system associated with the data obtained as output of an operation. Cf. ISO 19111:2007:2007-07, table 48, attribute dimension of target CRS.",
+,,,West bound longitude,"Indicates the west bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 345.",,,,ign:westBoundLongitude,,,,"Indicates the west bound longitude of a bounding box. Cf. ISO 19115-1:2014:2014-04, part 6.6.1 and table B.15.1 line 345.",