S-4
E89395
S-4 is an International Hydrographic Organization standard that provides specifications and guidance for the content, symbology, and production of nautical charts.
All labels observed (1)
| Label | Occurrences |
|---|---|
| S-4 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T741890 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: S-4 Context triple: [International Hydrographic Organization, developsStandard, S-4]
-
A.
S-44
S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
-
B.
SAS-4
SAS-4 is the fourth-generation Serial Attached SCSI (SAS) interface standard that significantly increases data transfer speeds and bandwidth for enterprise storage systems.
-
C.
S-23
S-23 is an International Hydrographic Organization publication that standardizes the naming and limits of the world’s oceans and seas.
-
D.
USSF-44
USSF-44 is a classified U.S. Space Force national security mission launched on a Falcon Heavy rocket to deploy military payloads into geostationary orbit.
-
E.
S-52
S-52 is an International Hydrographic Organization standard that defines specifications for the display and use of electronic navigational chart (ENC) data in electronic chart display and information systems (ECDIS).
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: S-4 Target entity description: S-4 is an International Hydrographic Organization standard that provides specifications and guidance for the content, symbology, and production of nautical charts.
-
A.
S-44
S-44 is an International Hydrographic Organization standard that defines the accuracy and quality requirements for hydrographic surveys used in nautical charting and marine navigation.
-
B.
SAS-4
SAS-4 is the fourth-generation Serial Attached SCSI (SAS) interface standard that significantly increases data transfer speeds and bandwidth for enterprise storage systems.
-
C.
S-23
S-23 is an International Hydrographic Organization publication that standardizes the naming and limits of the world’s oceans and seas.
-
D.
USSF-44
USSF-44 is a classified U.S. Space Force national security mission launched on a Falcon Heavy rocket to deploy military payloads into geostationary orbit.
-
E.
S-52
S-52 is an International Hydrographic Organization standard that defines specifications for the display and use of electronic navigational chart (ENC) data in electronic chart display and information systems (ECDIS).
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
International Hydrographic Organization standard
ⓘ
hydrographic standard ⓘ nautical chart specification ⓘ |
| aimsTo |
ensure consistency of nautical charts worldwide
ⓘ
promote safety of navigation ⓘ |
| appliesTo |
International (INT) charts
ⓘ
paper nautical charts ⓘ |
| concerns |
international chart series coordination
ⓘ
safety of navigation information on charts ⓘ standardization of chart content ⓘ |
| defines |
standard chart layouts
ⓘ
standard chart marginalia ⓘ standard portrayal of hydrographic features ⓘ |
| format | PDF ⓘ |
| governs |
use of abbreviations on charts
ⓘ
use of chart symbols ⓘ use of colours on charts ⓘ |
| hasAlternativeName | Regulations of the IHO for International (INT) Charts and Chart Specifications of the IHO ⓘ |
| hasSection |
Part A: Regulations of the IHO for International (INT) Charts
ⓘ
Part B: Chart Specifications of the IHO for Paper Charts ⓘ Part C: International (INT) Chart Series ⓘ |
| hasType | technical standard ⓘ |
| language | English ⓘ |
| maintainedBy | IHO Nautical Cartography Working Group ⓘ |
| partOf | IHO standards framework ⓘ |
| provides |
guidance for nautical chart compilation
ⓘ
guidance for nautical chart maintenance ⓘ specifications for nautical chart design ⓘ |
| publishedBy | International Hydrographic Organization ⓘ |
| regulates |
content of nautical charts
ⓘ
production of nautical charts ⓘ symbology of nautical charts ⓘ |
| relatedTo |
S-101
ⓘ
S-52 ⓘ S-57 ⓘ |
| scope | international nautical chart specifications ⓘ |
| subjectArea |
hydrography
ⓘ
marine cartography ⓘ nautical charting ⓘ |
| targetAudience |
hydrographic offices
ⓘ
maritime administrations ⓘ nautical cartographers ⓘ |
| updatedBy | International Hydrographic Organization member states ⓘ |
| usedBy |
chart producers
ⓘ
national hydrographic offices ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: S-4 Description of subject: S-4 is an International Hydrographic Organization standard that provides specifications and guidance for the content, symbology, and production of nautical charts.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
International Hydrographic Organization