IHO S-104
E434830
IHO S-104 is an International Hydrographic Organization standard that defines the format and structure for surface water level information, supporting modern marine navigation and hydrographic data services.
All labels observed (4)
How this entity was disambiguated
This entity first appeared as the object of triple T4078373 — 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: IHO S-104 Context triple: [Hydrographic Services and Standards Committee, standardFamily, IHO S-104]
-
A.
IHO S-102
IHO S-102 is an international hydrographic standard that defines the format and structure for high-resolution bathymetric surface data used in modern electronic navigation and marine charting.
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B.
IHO S-101
IHO S-101 is an international hydrographic standard that defines the next-generation format and structure for electronic navigational charts used in modern marine navigation systems.
-
C.
IHO S-23
IHO S-23 is an International Hydrographic Organization publication that standardizes the names and limits of the world’s oceans and seas.
-
D.
IHO S-52
IHO S-52 is an International Hydrographic Organization standard that defines how electronic navigational chart (ENC) data should be symbolized and displayed on Electronic Chart Display and Information Systems (ECDIS) for safe marine navigation.
-
E.
IHO S-100
IHO S-100 is a universal hydrographic data model and framework that underpins the next generation of digital marine and nautical information products and services.
- 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: IHO S-104 Target entity description: IHO S-104 is an International Hydrographic Organization standard that defines the format and structure for surface water level information, supporting modern marine navigation and hydrographic data services.
-
A.
IHO S-102
IHO S-102 is an international hydrographic standard that defines the format and structure for high-resolution bathymetric surface data used in modern electronic navigation and marine charting.
-
B.
IHO S-101
IHO S-101 is an international hydrographic standard that defines the next-generation format and structure for electronic navigational charts used in modern marine navigation systems.
-
C.
IHO S-23
IHO S-23 is an International Hydrographic Organization publication that standardizes the names and limits of the world’s oceans and seas.
-
D.
IHO S-52
IHO S-52 is an International Hydrographic Organization standard that defines how electronic navigational chart (ENC) data should be symbolized and displayed on Electronic Chart Display and Information Systems (ECDIS) for safe marine navigation.
-
E.
IHO S-100
IHO S-100 is a universal hydrographic data model and framework that underpins the next generation of digital marine and nautical information products and services.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
IHO standard
ⓘ
hydrographic data standard ⓘ |
| applicationDomain |
e-navigation
ⓘ
linked to:
IALA e-Navigation architecture
hydrography ⓘ marine safety of navigation ⓘ |
| basedOn | IHO S-100 Universal Hydrographic Data Model ⓘ |
| dataModel | S-100-based data model ⓘ |
| dataType |
gridded coverage data
ⓘ
time-varying water level data ⓘ |
| defines |
format for surface water level information
ⓘ
structure for surface water level information ⓘ |
| fullName |
IHO S-104 Surface Water Level Product Specification
ⓘ
linked to:
IHO S-104
|
| goal |
harmonized provision of water level information
ⓘ
interoperable water level services for navigation ⓘ support real-time and near-real-time water level services ⓘ |
| governedBy |
IHO S-100 GI Registry
ⓘ
linked to:
IHO Geospatial Information Registry
|
| includes |
data product specification for water level services
ⓘ
feature catalogue for water level information ⓘ metadata catalogue for water level products ⓘ portrayal rules for water level information ⓘ |
| informationType |
coverage-based water level fields
ⓘ
hydrographic time series ⓘ |
| partOf |
IHO S-100 framework
ⓘ
linked to:
IHO S-100
|
| publisher | International Hydrographic Organization ⓘ |
| relatedStandard |
IHO S-101
ⓘ
IHO S-102 ⓘ IHO S-111 ⓘ |
| standardizes |
encoding of surface water level information
ⓘ
exchange format for water level datasets ⓘ metadata for water level products ⓘ |
| subject |
surface water level
ⓘ
water level information for navigation ⓘ |
| supports |
hydrographic data services
ⓘ
modern marine navigation ⓘ |
| targetUser |
ECDIS manufacturers
ⓘ
hydrographic offices ⓘ maritime authorities ⓘ navigation system developers ⓘ water level service providers ⓘ |
| useCase |
decision support for under-keel clearance
ⓘ
distribution of observed water levels ⓘ distribution of predicted water levels ⓘ integration with electronic navigational charts ⓘ port and harbour operations ⓘ tide and water level services for mariners ⓘ |
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: IHO S-104 Description of subject: IHO S-104 is an International Hydrographic Organization standard that defines the format and structure for surface water level information, supporting modern marine navigation and hydrographic data services.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
IHO S-101 Electronic Navigational Chart Product Specification
→
relatedTo
→
IHO S-104 Water Level Information for Surface Navigation
ⓘ
linked to: IHO S-104