Introduction
ISO 15926 is modeled in a data-driven fashion, using templates that have "Roles" in the information represented by that template, and where those Roles make reference to the URI of objects that have been declared as instances of the Part 2 entity types. Some of these instances are of global interest and some of local interest. The formers are stored in the ISO 15926-4 Reference Data Library, the latters in local extensions of same.
Typical Code
:RDS416834 rdf:type dm:ClassOfInanimatePhysicalObject; rdfs:subclassOf :RDS422594, :RDS2220063 ; # ARTEFACT, BARE PUMP rdfs:label "CENTRIFUGAL PUMP"@en ; skos:definition "Ais an and a utilizing impellers provided with vanes generating centrifugal force to achieve the required pressure head."@en ; meta:valEffectiveDate "1999-07-01T00:00:00Z"^^xsd:dateTime .
Click here to see it in the browser.
And click here for an index of all Artefacts.
RDL Site Map
Below is the list of Part 2 entity types of which instances are, or will be, stored in the RDL.
| Classes represented in the Reference Data Library | ||
| ISO 15926-2 entity type | Typical RDL content (partly taken from Part 2) | Number of Classes |
| Cardinality | 0:* , 1:1 | 7 |
| ClassOfAbstractObject | ISO 15926-3 classes | 251 |
| ClassOfActivity | Welding, Hydrofining | 2355 |
| ClassOfApproval | Senior Engineer approves Specifications | 0 |
| ClassOfApprovalByStatus | Rejected, 'A' Approved (usually in local RDL extension) | 0 |
| ClassOfArangementOfIndividual | unlikely to have many entries (go to subtypes) | 0 |
| ClassOfAssemblyOfIndividual | CENTRIFUGAL PUMP has 1:* IMPELLER | 0 |
| ClassOfAssertion | ;'Asserted' (yes) or 'Denied' (no), 90% Probable | 3 |
| ClassOfAtom | All entries in the periodic table of elements. | 202 |
| ClassOfBiologicalMatter | blood, enzyme, plasma | 17 |
| ClassOfCauseOfBeginningOfClassOfIndividual | A pump manufacturing activity causes the beginning of a pump (via template) | 4 |
| ClassOfCauseOfEndingOfClassOfIndividual | A pump crushing activity causes the end of the life of a pump (via template) | 0 |
| ClassOfClass | 'NORSOK CLASS' | 0 |
| ClassOfClassOfComposition | use in local RDL extension to group standard composition info. | 0 |
| ClassOfClassOfDefinition | PUMP is defined with a PUMP SPECIFICATION | 4 |
| ClassOfClassOfDescription | ArrangedIndividual is decribed with a SERVICE DESCRIPTION | 12 |
| ClassOfClassOfIdentification | FunctionalPhysicalObject is identified with a TAG Number | 71 |
| ClassOfClassOfIndividual | 'Premium Product'; Electrotechnical Classes | 2 |
| ClassOfClassOfInformationObject | RDFS LABEL | 0 |
| ClassOfClassOfInformationRepresentation | Document Numbering System, Remark | 1 |
| ClassOfClassOfRelationshipWithSignature | Transitive | 0 |
| ClassOfClassOfRepresentationTranslation | English-to-German | 0 |
| ClassOfCompositeMaterial | plywood, fibreglass, carbon fibre, wood, muscle, skin | 13 |
| ClassOfCompositionOfIndividual | Crude Oil has sand inclusions | 0 |
| ClassOfCompound | Water, sulphuric acid, sand, limestone, and steel | 517 |
| ClassOfConnectionOfIndividual | DRIVE-TO-DRIVEN CONNECTION | 2 |
| ClassOfContainmentOfIndividual | Vessel contains Fluid | 0 |
| ClassOfDirectConnection | Flanged connection, Instrument Electrical Signal Connection | 23 |
| ClassOfEvent | 'Pump starts', 'Vendor shipping' | 134 |
| ClassOfFeature | Raised Face, surface, annulus, socket welding end | 348 |
| ClassOfFeatureWholePart | unlikely to have many entries (go to subtypes) | 0 |
| ClassOfFunctionalMapping | Input1/Input2=Result (definition via template) | 85 |
| ClassOfFunctionalObject | Pump, Fastener | 1339 |
| ClassOfInanimatePhysicalObject | Centrifugal pump, 2-Core cable, Cleat | 8242 |
| ClassOfIndirectConnection | Pressure Transmitter can be indirectly connected to a nozzle or stub | 10 |
| ClassOfIndirectProperty | maximum allowable working pressure, test pressure, design temperature, nominal size, etc | 897 |
| ClassOfIndividual | colors | 14 |
| ClassOfIndividualUsedInConnection | Packing is used in flanged connection | 3 |
| ClassOfInformationObject | Pump Specification | 963 |
| ClassOfInformationPresentation | bold, italic, Times New Roman, 16pt, red | 14 |
| ClassOfInformationRepresentation | postal address | 1 |
| ClassOfintendedRoleAndDomain | PUMP is intended to act as PERFORMER in a PUMPING activity | 0 |
| ClassOfinvolvementByReference | WELDING SPEC is involved-by-reference in WELDING | 4 |
| ClassOfIsomorphicFunctionalmapping | The natural logarithm function | 0 |
| ClassOfLifecycleStage | Planned, required, expected, proposed | 6 |
| ClassOfMolecule | H2O, H2SO4, and DNA | 1545 |
| ClassOfMultidimensionalObject | Q-H CURVE, GEODETIC DATUM | 12 |
| ClassOfNumber | Prime Number | 1 |
| ClassOfOrganism | Earthworm, Oak Tree, and Bacteria | 1 |
| ClassOfOrganization | Manufacturer, EPC Contractor | 78 |
| ClassOfParticulateMaterial | bag of bolts, catalyst fill | 11 |
| ClassOfPeriodInTime | Sunday, July | 17 |
| ClassOfPerson | Male Person, citizen of France, discipline expert | 210 |
| ClassOfPhysicalObject | PHYSICAL OBJECT REQUIRING SI UNITS | 4 |
| ClassOfPointInTime | Midnight | 3 |
| ClassOfPossibleRoleAndDomain | Pump can play the role of anchor | 0 |
| ClassOfProperty | PROCESS VARIABLE | 1 |
| ClassOfPropertySpace | Property curves, Property areas, and Property volumes of various dimensionality and degrees of freedom | 3 |
| ClassOfRecognition | measuring the temperature of a fluid | 4 |
| ClassOfRelationshipWithSignature | IS MANUFACTURED BY, IS SOLD BY | 11 |
| ClassOfRelativeLocation | Beside, above, below | 19 |
| ClassOfScale | SI Unit | 67 |
| ClassOfScaleConversion | psig-to-barg | 0 |
| ClassOfShape | line, circle, square, cylinder, sphere, cone | 27 |
| ClassOfShapeDimension | (concept of) diameter, height, width | 301 |
| lci:ClassOfSpatialLocation | construction area, hazardous area | 184 |
| ClassOfSpecialization | members of the class "family of ASME bolts", e.g. 3 inch, 2 inch bolts, are specializations of members of the EnumeratedPropertySet "set of bolt lengths", e.g. 3 inch, 2 inch | 0 |
| ClassOfStatus | Approval Status, Maintenance Status | 22 |
| lci:ClassOfStream | Liquid Stream | 14 |
| ClassOfSubAtomicParticle | Proton, electron, meson, neutron, positron, muon, etc | 12 |
| ClassOfTemporalSequence | emptying activities for a tank precede cleaning activities | 0 |
| CoordinateSystem | WGS 84, or plant coordinate system defined in local RDL extension (via template) | 5 |
| CrystallineStructure | Ferritic, martensitic, and austenitic | 8 |
| DocumentDefinition | Pump Specification content, tagNumber format, etc | 97 |
| EnumeratedNumberSet | {3,4,5} | 0 |
| EnumeratedPropertySet | {115 Volt, 240 Volt} | 0 |
| EnumeratedSetOfclass | use for standard Information views | 29 |
| ExpressString | any sequence of literals | 21 |
| Language | English, French, C++, Java | 44 |
| MultidimensionalNumber | {3.2, 5.4, 55.6} ,; try to avoid as reference data | 0 |
| MultidimensionalNumberSpace | {1.0, 2.1, 5.4} ,; try to avoid as reference data | 0 |
| MultidimensionalProperty | a point on a QH-curve such as { 38.5 m3/hr , 5.9 m H2O }, try to avoid as reference data | 3 |
| MultidimensionalPropertySpace | Cartesian coordinates | 2 |
| MultidimensionalScale | [m3/hr,bar] | 1 |
| NumberRange | -273.1 to +infinity , 4 - 20 | 10 |
| ParticipatingRoleAndDomain | 'Performer and Pump' | 3 |
| Phase | liquid, vapour, solid | 10 |
| PossibleRoleAndDomain | unlikely to have many entries | 0 |
| Property | +20°C; Avogadro Constant | 7 |
| PropertyRange | -10; °C to +20 °C , 4 - 20 maDC | 24 |
| PropertySpace | Acoustic Property Class | 2 |
| RepresentationForm | Hexadecimal, text, script, symbol, picture, diagram, semaphore, Morse code, music score, MIDI, XML | 54 |
| Role | Performer, Subject, Input, Output | 132 |
| RoleAndDomain | ;'Instruction and Welding Specification' | 0 |
| Scale | Labeling of scale instance is done with template that follows Part 8 Fig. 44 | 1561 |
| Shape | 20mm diameter circle, try to avoid as reference data | 0 |
| ShapeDimension | e.g. 'diameter of 5m', try to avoid as reference data | 0 |
| SinglePropertyDimension | temperature, pressure, viscosity, length | 1232 |
| Status | open', 'painted', 'approved', 'old', 'new', 'worn', 'hazardous', 'safe', 'dangerous', 'happy', 'sad', 'rusty' | 157 |
Note that the RDL;is not yet flawless;and never complete. This is eternal Work-In-Progress.
In total the RDL has 21206 active core classes now.
You can browse through a working library here.
RDL Extensions
Below is a list of links to RDL extensions that contain classes that have been defined by standardization bodies (when selected enter the letter e ):
| ADDRESS | Classes defined by ORGANIZATION | Number of Classes |
| http://data.15926.org/aisi/ | AISI = American Iron and Steel Institute | 19 |
| http://data.15926.org/ansi/ | ANSI = American National Standards Institute | 4 |
| http://data.15926.org/api/ | API = American Petroleum Institute | 1573 |
| http://data.15926.org/asme/ | ASME = American Society of Mechanical Engineers | 6765 |
| http://data.15926.org/astm/ | ASTM = American Society for Testing And Materials | 1376 |
| http://data.15926.org/atex/ | ATEX = ATmosphères EXplosibles | 13 |
| http://data.15926.org/bs/ | BS = British Standards | 197 |
| http://data.15926.org/din/ | DIN = Deutsches Institut für Normung | 519 |
| http://data.15926.org/dnv/ | DNV GL = Det Norske Veritas & Germanischer Lloyd | 228 |
| http://data.15926.org/en/ | EN standards = standard by European Committee for Standardization | 232 |
| http://data.15926.org/iec/ | IEC = International Electrotechnical Commission | 1103 |
| http://data.15926.org/ieee/ | IEEE = Institute of Electrical and Electronics Engineers | 9 |
| http://data.15926.org/iso/ | ISO = International Organization for Standardization | 631 |
| http://data.15926.org/mss/ | MSS = Manufacturers Standardization Society of the Valve and Fittings Industry | 72 |
| http://data.15926.org/nec/ | NEC = National Electrical Code | 61 |
| http://data.15926.org/nema/ | NEMA = National Electrical Manufacturers Association | 29 |
| http://data.15926.org/nfpa/ | NFPA = National Fire Protection Association | 5 |
| http://data.15926.org/nor/ | NOR = Various Norwegian standards, mainly NORSOK | 4943 |
| http://data.15926.org/sae/ | SAE = Society of Automotive Engineers | 53 |
| http://data.15926.org/tema/ | TEMA = Tubular Exchanger Manufacturers Association | 49 |
| http://data.15926.org/uns/ | UNS = Unified Numbering System | 293 |
| http://data.15926.org/wits/ | WITS = Wellsite Information Transfer Specification | 123 |
In total these RDL extensions have 18346 active classes now.
Some of these extensions contain a small set of classes, as they were required on projects, and others, such as the one from ASME, contain many classes.
DISCLAIMER - In any cases where the definition of a class is different from the original standard, the latter prevails.