USCG Light List number 1-0045
E656377
USCG Light List number 1-0045 is the official United States Coast Guard light list designation for Halfway Rock Light, a navigational aid marking hazardous waters off the coast of Maine.
All labels observed (3)
| Label | Occurrences |
|---|---|
| USCG Light List | 1 |
| USCG Light List Volume 1 (Atlantic Coast) | 1 |
| USCG Light List number 1-0045 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7329342 — 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: USCG Light List number 1-0045 Context triple: [Halfway Rock Light, navigationalNumber, USCG Light List number 1-0045]
-
A.
Beecher Bay 40
Beecher Bay 40 is an Indigenous reserve on southern Vancouver Island in British Columbia, Canada, administered by the Scia’new (Beecher Bay) First Nation.
-
B.
Cape Cod Light
Cape Cod Light is a historic lighthouse in North Truro, Massachusetts, that serves as a prominent navigational landmark on the outer coast of Cape Cod.
-
C.
Newport Lights
Newport Lights is a lighter-tar, lower-nicotine variant of the menthol cigarette brand Newport.
-
D.
Beecher Bay 39
Beecher Bay 39 is an Indigenous reserve on southern Vancouver Island in British Columbia, Canada, administered by the Scia’new (Beecher Bay) First Nation.
-
E.
Sand Island Light
Sand Island Light is a historic lighthouse located on Sand Island in Lake Superior, known for guiding ships through the Apostle Islands region of Wisconsin.
- 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: USCG Light List number 1-0045 Target entity description: USCG Light List number 1-0045 is the official United States Coast Guard light list designation for Halfway Rock Light, a navigational aid marking hazardous waters off the coast of Maine.
-
A.
Beecher Bay 40
Beecher Bay 40 is an Indigenous reserve on southern Vancouver Island in British Columbia, Canada, administered by the Scia’new (Beecher Bay) First Nation.
-
B.
Cape Cod Light
Cape Cod Light is a historic lighthouse in North Truro, Massachusetts, that serves as a prominent navigational landmark on the outer coast of Cape Cod.
-
C.
Newport Lights
Newport Lights is a lighter-tar, lower-nicotine variant of the menthol cigarette brand Newport.
-
D.
Beecher Bay 39
Beecher Bay 39 is an Indigenous reserve on southern Vancouver Island in British Columbia, Canada, administered by the Scia’new (Beecher Bay) First Nation.
-
E.
Sand Island Light
Sand Island Light is a historic lighthouse located on Sand Island in Lake Superior, known for guiding ships through the Apostle Islands region of Wisconsin.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
United States Coast Guard Light List entry
ⓘ
aid to navigation identifier ⓘ |
| associatedStructure |
Halfway Rock Light lighthouse
ⓘ
lighthouse ⓘ |
| authority |
United States Coast Guard Aids to Navigation System
ⓘ
linked to:
United States aids to navigation system
|
| catalogType | light list number ⓘ |
| country | United States of America ⓘ |
| designates | Halfway Rock Light ⓘ |
| function | aid to navigation ⓘ |
| geographicArea | Gulf of Maine ⓘ |
| identifies | specific lighted aid to navigation ⓘ |
| lightName | Halfway Rock Light ⓘ |
| listSeries |
USCG Light List Volume 1 (Atlantic Coast)
ⓘ
linked to:
USCG Light List number 1-0045
|
| locatedInWaterBody | Atlantic Ocean ⓘ |
| locatedOffCoastOf | Maine ⓘ |
| maintainedBy | United States Coast Guard ⓘ |
| marks | hazardous waters ⓘ |
| navigationPurpose |
assist in coastal navigation
ⓘ
warn mariners of hazards ⓘ |
| referenceWork |
USCG Light List
ⓘ
linked to:
USCG Light List number 1-0045
|
| region | New England coast ⓘ |
| state | Maine ⓘ |
| usedBy |
commercial shipping
ⓘ
mariners ⓘ recreational boaters ⓘ |
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: USCG Light List number 1-0045 Description of subject: USCG Light List number 1-0045 is the official United States Coast Guard light list designation for Halfway Rock Light, a navigational aid marking hazardous waters off the coast of Maine.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: USCG Light List number 1-0045
linked to: USCG Light List number 1-0045