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Description
IHO Publications (P series) — reference works such as Charts and Publications Regulations. Numbers may carry a sub-year (P-1/21) or sub-part (P-6-3).
Syntax
IHO identifiers use a single-letter series prefix followed by a hyphenated number: IHO {S|P|M|B|C}-[Number][ Ap. [Appendix]][ Part [Part]][ Annex [Annex]][ Suppl [Supplement]] [Version].
Examples 3
IHO P-1 1.0.0
IHO P-1/21 1.0.0
IHO P-6-3 1.0.0
Components Used
IHO Publication identifiers are composed of these elements:
Publisher
EnumerationIHO — optional on input, always emitted on output
IHO
e.g.
IHOType Letter
EnumerationSingle-letter series code (S, P, M, B, C)
S (Standard/Specification)P (Publication)M (Miscellaneous)B (Bibliographic)C (Circular Letter)
e.g.
:type_letterSNumber
StringDocument number, may include sub-part or slash-year
Hyphenated after type letter. May include slash-year (P-1/21) or sub-part (P-6-3).
e.g.
:number44Appendix
StringAppendix marker: "Ap." prefix
"Ap." prefix, single letter.
e.g.
:appendixAp. APart
StringPart marker: "Part" keyword
"Part" keyword. Alphanumeric allowed (e.g. 4a).
e.g.
:partPart 4aAnnex
StringAnnex marker: "Annex" keyword
"Annex" keyword.
e.g.
:annexAnnex ASupplement
StringSupplement marker: "Suppl" keyword
"Suppl" keyword.
e.g.
:supplementSuppl 1Version
StringThree-part dotted version (X.Y.Z)
Three-part dotted version (X.Y.Z).
e.g.
:version5.0.0Algebraic Relations
Relations that can involve Publication identifiers:
| Relation | Description | Syntax | Example |
|---|---|---|---|
| Part | Subdivision of a standard | IHO [Type]-[Number] Part [Part] [Version] | IHO S-100 Part 4a 1.0.0 |
| Appendix | Appendix within a publication | IHO [Type]-[Number] Ap. [Letter] [Version] | IHO S-65 Ap. A 1.0.0 |
| Slash Year | Annual revision indicator within a series | IHO [Type]-[Number]/[Year] [Version] | IHO P-1/21 1.0.0 |
| Sub-part | Compound number with sub-part | IHO [Type]-[Number]-[SubPart] [Version] | IHO P-6-3 1.0.0 |
URN Mapping
Pattern
urn:iho:[type]:[number]:[version]