Lighthouse Board
E345749
The Lighthouse Board was a U.S. federal agency in the 19th and early 20th centuries responsible for overseeing the construction, maintenance, and operation of lighthouses and other navigational aids along American coasts and waterways.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Fifth Auditor of the Treasury (as lighthouse authority) | 1 |
| Lighthouse Board canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3312785 — 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: Lighthouse Board Context triple: [United States lighthouse districts, governedBy, Lighthouse Board]
-
A.
Central Coast Lighthouse Keepers
Central Coast Lighthouse Keepers is a nonprofit organization dedicated to preserving, interpreting, and supporting historic lighthouses and maritime heritage along California’s central coast.
-
B.
French Commission of Lighthouses
The French Commission of Lighthouses was a 19th-century governmental body responsible for overseeing the design, improvement, and standardization of lighthouse technology and coastal illumination in France.
-
C.
Nauset Light Preservation Society
The Nauset Light Preservation Society is a nonprofit organization dedicated to preserving, maintaining, and promoting the historic Nauset Light lighthouse in Eastham, Massachusetts.
-
D.
Northern Lighthouse Board (lighthouse and some land)
The Northern Lighthouse Board (lighthouse and some land) is the statutory authority responsible for operating and maintaining lighthouses and other marine navigation aids in Scotland and the Isle of Man.
-
E.
Trinity House
Trinity House is a historic British maritime organization responsible for lighthouses, buoys, and the safety of navigation around the coasts of England, Wales, the Channel Islands, and Gibraltar.
- 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: Lighthouse Board Target entity description: The Lighthouse Board was a U.S. federal agency in the 19th and early 20th centuries responsible for overseeing the construction, maintenance, and operation of lighthouses and other navigational aids along American coasts and waterways.
-
A.
Central Coast Lighthouse Keepers
Central Coast Lighthouse Keepers is a nonprofit organization dedicated to preserving, interpreting, and supporting historic lighthouses and maritime heritage along California’s central coast.
-
B.
French Commission of Lighthouses
The French Commission of Lighthouses was a 19th-century governmental body responsible for overseeing the design, improvement, and standardization of lighthouse technology and coastal illumination in France.
-
C.
Nauset Light Preservation Society
The Nauset Light Preservation Society is a nonprofit organization dedicated to preserving, maintaining, and promoting the historic Nauset Light lighthouse in Eastham, Massachusetts.
-
D.
Northern Lighthouse Board (lighthouse and some land)
The Northern Lighthouse Board (lighthouse and some land) is the statutory authority responsible for operating and maintaining lighthouses and other marine navigation aids in Scotland and the Isle of Man.
-
E.
Trinity House
Trinity House is a historic British maritime organization responsible for lighthouses, buoys, and the safety of navigation around the coasts of England, Wales, the Channel Islands, and Gibraltar.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
United States federal agency
ⓘ
maritime navigation authority ⓘ |
| alsoKnownAs | United States Lighthouse Board ⓘ |
| appliesTo |
American coasts
ⓘ
United States waterways ⓘ
linked to:
Inland Waterway System of the United States
|
| archivesAt |
U.S. National Archives
ⓘ
linked to:
National Archives and Records Administration
|
| composedOf |
Army engineers
ⓘ
civilian scientists ⓘ naval officers ⓘ |
| country | United States of America ⓘ |
| dissolutionReason | reorganization of U.S. aids to navigation administration ⓘ |
| dissolved | 1910 ⓘ |
| field |
aids to navigation
ⓘ
lighthouse administration ⓘ maritime navigation ⓘ |
| hasPart | U.S. lighthouse districts ⓘ |
| hasPurpose |
to improve safety of navigation
ⓘ
to reduce shipwrecks along U.S. coasts ⓘ |
| headquartersLocation | Washington, D.C. ⓘ |
| inception | 1852 ⓘ |
| jurisdiction |
United States federal government
ⓘ
linked to:
United States government
|
| locatedInTimePeriod |
19th century
ⓘ
early 20th century ⓘ |
| notableMember |
Alexander Dallas Bache
ⓘ
Joseph Henry ⓘ Rear Admiral William B. Shubrick ⓘ |
| parentOrganization | United States Department of the Treasury ⓘ |
| partOf | United States maritime safety system ⓘ |
| regulates |
placement of navigational aids
ⓘ
standards for lighthouse construction ⓘ standards for lighthouse lighting ⓘ |
| replacedBy | United States Lighthouse Service ⓘ |
| replaces |
Fifth Auditor of the Treasury (as lighthouse authority)
ⓘ
linked to:
Lighthouse Board
|
| responsibleFor |
beacons
ⓘ
buoys ⓘ construction of lighthouses ⓘ fog signals ⓘ lightships ⓘ maintenance of lighthouses ⓘ operation of lighthouses ⓘ other navigational aids ⓘ |
| significantContribution |
introduction of Fresnel lenses in U.S. lighthouses
ⓘ
professionalization of lighthouse service ⓘ standardization of lighthouse equipment ⓘ systematic charting of aids to navigation ⓘ |
| significantEvent | reform of U.S. lighthouse system in the 1850s ⓘ |
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: Lighthouse Board Description of subject: The Lighthouse Board was a U.S. federal agency in the 19th and early 20th centuries responsible for overseeing the construction, maintenance, and operation of lighthouses and other navigational aids along American coasts and waterways.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Lighthouse Board