Hydrography Branch
E936638
The Hydrography Branch is a specialized division responsible for surveying and charting marine and inland waters to support safe navigation and resource management under the National Mapping and Resource Information Authority.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hydrography Branch canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T11611411 — 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: Hydrography Branch Context triple: [National Mapping and Resource Information Authority, hasDivision, Hydrography Branch]
-
A.
Naval Hydrographic Department
The Naval Hydrographic Department is the Indian Navy’s specialized agency responsible for surveying and charting India’s maritime waters and producing official nautical charts and publications.
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B.
Naval Hydrographic Department
The Naval Hydrographic Department is a specialized unit of the Royal Thai Navy responsible for hydrographic surveying, nautical charting, and related maritime navigation services for Thailand’s waters.
-
C.
Naval Hydrographic Service
The Naval Hydrographic Service is the Argentine Navy’s specialized agency responsible for producing nautical charts, conducting hydrographic and oceanographic surveys, and providing maritime navigation information.
-
D.
Naval Hydrographic Office
The Naval Hydrographic Office is a specialized unit responsible for charting, surveying, and providing nautical information to support the maritime operations and navigation safety of the Philippine Navy.
-
E.
Harbors Division
Harbors Division is the branch of Hawaii’s state transportation agency responsible for managing and operating the state’s commercial harbors and maritime facilities.
- 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: Hydrography Branch Target entity description: The Hydrography Branch is a specialized division responsible for surveying and charting marine and inland waters to support safe navigation and resource management under the National Mapping and Resource Information Authority.
-
A.
Naval Hydrographic Department
The Naval Hydrographic Department is a specialized unit of the Royal Thai Navy responsible for hydrographic surveying, nautical charting, and related maritime navigation services for Thailand’s waters.
-
B.
Naval Hydrographic Department
The Naval Hydrographic Department is the Indian Navy’s specialized agency responsible for surveying and charting India’s maritime waters and producing official nautical charts and publications.
-
C.
Naval Hydrographic Service
The Naval Hydrographic Service is the Argentine Navy’s specialized agency responsible for producing nautical charts, conducting hydrographic and oceanographic surveys, and providing maritime navigation information.
-
D.
Naval Hydrographic Office
The Naval Hydrographic Office is a specialized unit responsible for charting, surveying, and providing nautical information to support the maritime operations and navigation safety of the Philippine Navy.
-
E.
Harbors Division
Harbors Division is the branch of Hawaii’s state transportation agency responsible for managing and operating the state’s commercial harbors and maritime facilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
government agency unit
ⓘ
hydrographic surveying division ⓘ |
| activity |
bathymetric surveying
ⓘ
hydrographic data processing ⓘ maintenance of national hydrographic database ⓘ nautical chart compilation ⓘ oceanographic data collection ⓘ quality control of hydrographic surveys ⓘ surveying inland waters ⓘ surveying marine waters ⓘ tidal observations ⓘ updating nautical charts ⓘ |
| country | Philippines ⓘ |
| employs |
cartographers
ⓘ
geodetic engineers ⓘ hydrographic surveyors ⓘ oceanographers ⓘ |
| field |
cartography
ⓘ
geospatial information ⓘ hydrography ⓘ marine surveying ⓘ nautical charting ⓘ |
| jurisdiction |
Philippine inland waters
ⓘ
Philippine waters ⓘ |
| partOf | National Mapping and Resource Information Authority ⓘ |
| purpose |
produce hydrographic data
ⓘ
produce nautical charts ⓘ support coastal zone management ⓘ support inland water resource management ⓘ support marine environmental protection ⓘ support marine resource management ⓘ support maritime safety ⓘ support safe navigation ⓘ |
| reportsTo | management of National Mapping and Resource Information Authority ⓘ |
| sector |
inland waterways
ⓘ
maritime ⓘ |
| usesDataFor |
coastal engineering projects
ⓘ
marine spatial planning ⓘ navigation safety information ⓘ port and harbor development planning ⓘ |
| usesInstrument |
GNSS receivers
ⓘ
current meters ⓘ multibeam echo sounder ⓘ single-beam echo sounder ⓘ tide gauges ⓘ |
| usesPlatform |
remote sensing data
ⓘ
small survey boats ⓘ survey vessels ⓘ |
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: Hydrography Branch Description of subject: The Hydrography Branch is a specialized division responsible for surveying and charting marine and inland waters to support safe navigation and resource management under the National Mapping and Resource Information Authority.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.