S-57
E87410
S-57 is an International Hydrographic Organization standard that defines the format and structure for digital hydrographic data used in electronic navigational charts.
All labels observed (5)
| Label | Occurrences |
|---|---|
| IHO S-57 | 16 |
| S-57 canonical | 5 |
| Electronic Chart Display and Information Systems | 1 |
| Electronic Navigational Chart | 1 |
| S-57 ENC Product Specification | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T741886 — 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-57 Context triple: [International Hydrographic Organization, developsStandard, S-57]
-
A.
National Spatial Reference System
The National Spatial Reference System is the official coordinate framework used in the United States to define precise locations, elevations, and boundaries for mapping, surveying, and navigation.
-
B.
The New American Practical Navigator
The New American Practical Navigator is a seminal 19th-century maritime navigation manual that became the standard reference for sailors and navigators worldwide.
-
C.
International Bathymetric Chart of the Arctic Ocean
The International Bathymetric Chart of the Arctic Ocean is a comprehensive mapping project that compiles and standardizes detailed seafloor topography data for the Arctic Ocean to support scientific research and navigation.
-
D.
Geographic Names Information System
The Geographic Names Information System is the official federal database of geographic feature names in the United States, providing standardized names and related information for use in maps and government publications.
-
E.
Office of Coast Survey Navigation Services Division
The Office of Coast Survey Navigation Services Division is a unit within NOAA responsible for providing nautical charting, navigation information, and related services to support safe and efficient maritime transportation.
- 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-57 Target entity description: S-57 is an International Hydrographic Organization standard that defines the format and structure for digital hydrographic data used in electronic navigational charts.
-
A.
National Spatial Reference System
The National Spatial Reference System is the official coordinate framework used in the United States to define precise locations, elevations, and boundaries for mapping, surveying, and navigation.
-
B.
The New American Practical Navigator
The New American Practical Navigator is a seminal 19th-century maritime navigation manual that became the standard reference for sailors and navigators worldwide.
-
C.
International Bathymetric Chart of the Arctic Ocean
The International Bathymetric Chart of the Arctic Ocean is a comprehensive mapping project that compiles and standardizes detailed seafloor topography data for the Arctic Ocean to support scientific research and navigation.
-
D.
Geographic Names Information System
The Geographic Names Information System is the official federal database of geographic feature names in the United States, providing standardized names and related information for use in maps and government publications.
-
E.
Office of Coast Survey Navigation Services Division
The Office of Coast Survey Navigation Services Division is a unit within NOAA responsible for providing nautical charting, navigation information, and related services to support safe and efficient maritime transportation.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
IHO standard
ⓘ
hydrographic data standard ⓘ |
| abbreviationOf | IHO Transfer Standard for Digital Hydrographic Data ⓘ |
| acronym | S-57 ⓘ |
| appliesTo |
nautical chart features
ⓘ
vector hydrographic data ⓘ |
| category | nautical charting standard ⓘ |
| dataEncoding | binary file format ⓘ |
| dataModel | feature and attribute oriented ⓘ |
| defines |
attribute object classes
ⓘ
data exchange format for ENCs ⓘ feature object classes ⓘ format for digital hydrographic data ⓘ spatial object classes ⓘ structure for digital hydrographic data ⓘ |
| domain |
hydrography
ⓘ
marine navigation ⓘ |
| fullName | IHO Transfer Standard for Digital Hydrographic Data ⓘ |
| geographicScope | global ⓘ |
| geospatialType | vector data ⓘ |
| governingBody | International Hydrographic Organization ⓘ |
| maintainedBy | International Hydrographic Organization ⓘ |
| organizationScope | international ⓘ |
| primaryUse | exchange of ENC data between hydrographic offices and ECDIS manufacturers ⓘ |
| publishedBy | International Hydrographic Organization ⓘ |
| purpose | standardized exchange of digital hydrographic information ⓘ |
| relatedConcept |
ENC data exchange
ⓘ
Electronic Navigational Chart ⓘ
linked to:
S-57
|
| relatedStandard |
S-52
ⓘ
S-63 ⓘ |
| scope |
data content and structure for ENCs
ⓘ
digital hydrographic data encoding ⓘ |
| sector |
hydrographic surveying
ⓘ
maritime ⓘ |
| standardNumber | S-57 ⓘ |
| standardType | data transfer standard ⓘ |
| status | in operational use ⓘ |
| successorStandard | S-100 ⓘ |
| supports |
Electronic Chart Display and Information System
ⓘ
safe navigation at sea ⓘ |
| usedBy |
ECDIS manufacturers
ⓘ
ENC producers ⓘ hydrographic offices ⓘ |
| usedFor |
ENC data exchange
ⓘ
electronic navigational charts ⓘ |
| usedIn |
electronic navigational chart production
ⓘ
maritime navigation systems ⓘ |
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-57 Description of subject: S-57 is an International Hydrographic Organization standard that defines the format and structure for digital hydrographic data used in electronic navigational charts.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
Regulations of the IHO for International (INT) Charts and Chart Specifications of the IHO
→
relatedTo
→
IHO S-57
ⓘ
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
linked to: S-57
subject linked to:
IHO
subject linked to:
IRCC
linked to: S-57
linked to: S-57
linked to: S-57