S-104 Water Level Information for Surface Navigation product specification
E411542
The S-104 Water Level Information for Surface Navigation product specification is an IHO standard defining how to encode and share water level and tidal information to support safe and efficient marine navigation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| S-104 Water Level Information for Surface Navigation | 3 |
| S-104 Water Level Information for Surface Navigation product specification canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4078063 — 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-104 Water Level Information for Surface Navigation product specification Context triple: [S-100, supports, S-104 Water Level Information for Surface Navigation product specification]
-
A.
Water Level Route
The Water Level Route is a historic New York Central Railroad main line between New York City and Chicago, famed for its relatively flat, water-following alignment that enabled fast, efficient passenger and freight service.
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B.
IHO S-101 Electronic Navigational Chart Product Specification
IHO S-101 Electronic Navigational Chart Product Specification is an international standard developed by the International Hydrographic Organization to define the next-generation format and structure for official electronic navigational charts used in marine navigation systems.
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C.
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.
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D.
Freshwater station
Freshwater station is a heritage railway station in Queensland, Australia, serving as a key stop and boarding point for passengers on the Kuranda Scenic Railway.
-
E.
Openwater
Openwater is a medical imaging and neurotechnology company developing high-resolution, low-cost brain and body imaging devices using novel optics and holography techniques.
- 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-104 Water Level Information for Surface Navigation product specification Target entity description: The S-104 Water Level Information for Surface Navigation product specification is an IHO standard defining how to encode and share water level and tidal information to support safe and efficient marine navigation.
-
A.
Water Level Route
The Water Level Route is a historic New York Central Railroad main line between New York City and Chicago, famed for its relatively flat, water-following alignment that enabled fast, efficient passenger and freight service.
-
B.
IHO S-101 Electronic Navigational Chart Product Specification
IHO S-101 Electronic Navigational Chart Product Specification is an international standard developed by the International Hydrographic Organization to define the next-generation format and structure for official electronic navigational charts used in marine navigation systems.
-
C.
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.
-
D.
Freshwater station
Freshwater station is a heritage railway station in Queensland, Australia, serving as a key stop and boarding point for passengers on the Kuranda Scenic Railway.
-
E.
Openwater
Openwater is a medical imaging and neurotechnology company developing high-resolution, low-cost brain and body imaging devices using novel optics and holography techniques.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
IHO product specification
ⓘ
hydrographic standard ⓘ marine navigation data standard ⓘ |
| abbreviation | S-104 ⓘ |
| appliesTo |
coastal waters
ⓘ
ports and harbours ⓘ surface navigation ⓘ |
| basedOn | IHO S-100 Universal Hydrographic Data Model ⓘ |
| defines |
coverage and spatial referencing for water level data
ⓘ
data product specification for water level services ⓘ data structures for water level information ⓘ encoding of tidal information ⓘ encoding of water level information ⓘ feature catalogue for water level information ⓘ formats for digital exchange of tidal data ⓘ formats for digital exchange of water level data ⓘ metadata for water level information ⓘ portrayal requirements for water level information ⓘ quality and uncertainty attributes for water level data ⓘ temporal referencing for water level data ⓘ |
| governedBy | IHO standards development and maintenance procedures ⓘ |
| intendedUser |
hydrographic offices
ⓘ
maritime administrations ⓘ navigation system manufacturers ⓘ service providers of water level information ⓘ |
| language | English ⓘ |
| partOf |
IHO S-100 framework
ⓘ
linked to:
IHO S-100
|
| publisher | International Hydrographic Organization ⓘ |
| purpose |
to support efficient marine navigation
ⓘ
to support safe marine navigation ⓘ to support surface navigation with water level information ⓘ |
| relatedTo |
S-101 Electronic Navigational Chart product specification
ⓘ
S-102 Bathymetric Surface product specification ⓘ S-111 Surface Currents product specification ⓘ |
| requires |
encoding of time-varying water level values
ⓘ
use of standardized coordinate reference systems ⓘ use of standardized vertical datums ⓘ |
| subject |
hydrographic data
ⓘ
marine navigation ⓘ tidal information ⓘ water level information ⓘ |
| supports |
exchange of machine-readable water level data
ⓘ
interoperability between hydrographic offices and service providers ⓘ interoperability with other S-100 based products ⓘ |
| useCase |
decision support for under-keel clearance
ⓘ
harbour and coastal navigation ⓘ integration with electronic navigational charts ⓘ predicted tide and water level services ⓘ real-time 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: S-104 Water Level Information for Surface Navigation product specification Description of subject: The S-104 Water Level Information for Surface Navigation product specification is an IHO standard defining how to encode and share water level and tidal information to support safe and efficient marine navigation.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
S-129 Under Keel Clearance Management product specification
→
relatedTo
→
S-104 Water Level Information for Surface Navigation
ⓘ
linked to: S-104 Water Level Information for Surface Navigation product specification
linked to: S-104 Water Level Information for Surface Navigation product specification
linked to: S-104 Water Level Information for Surface Navigation product specification