Robbins Reef
E24182
Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Man-o'-War Reef | 1 |
| Robbins Reef canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T91390 — 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: Robbins Reef Context triple: [Upper New York Bay, contains, Robbins Reef]
-
A.
Fannette Island
Fannette Island is the only island in Lake Tahoe, known for its picturesque setting in Emerald Bay and the ruins of a small stone teahouse on its summit.
-
B.
Zephyr Cove
Zephyr Cove is a small lakeside community and popular recreation area on the southeastern shore of Lake Tahoe in Nevada, known for its beaches, boating, and scenic mountain views.
-
C.
St. Ignace Island
St. Ignace Island is a large, remote island in northern Lake Superior, known for its rugged wilderness, dense forests, and limited human development.
-
D.
Desecheo Island
Desecheo Island is a small, uninhabited Caribbean island and wildlife refuge off the west coast of Puerto Rico, known for its rugged terrain, seabird colonies, and surrounding dive sites.
-
E.
Thacher Island
Thacher Island is a small rocky island off the coast of Massachusetts known for its historic twin lighthouses that have guided ships in the Atlantic since the 18th century.
- 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: Robbins Reef Target entity description: Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
-
A.
Fannette Island
Fannette Island is the only island in Lake Tahoe, known for its picturesque setting in Emerald Bay and the ruins of a small stone teahouse on its summit.
-
B.
Zephyr Cove
Zephyr Cove is a small lakeside community and popular recreation area on the southeastern shore of Lake Tahoe in Nevada, known for its beaches, boating, and scenic mountain views.
-
C.
St. Ignace Island
St. Ignace Island is a large, remote island in northern Lake Superior, known for its rugged wilderness, dense forests, and limited human development.
-
D.
Desecheo Island
Desecheo Island is a small, uninhabited Caribbean island and wildlife refuge off the west coast of Puerto Rico, known for its rugged terrain, seabird colonies, and surrounding dive sites.
-
E.
Thacher Island
Thacher Island is a small rocky island off the coast of Massachusetts known for its historic twin lighthouses that have guided ships in the Atlantic since the 18th century.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
geographic feature
ⓘ
shoal ⓘ |
| adjacentTo | Kill Van Kull ⓘ |
| composition | rocky shoal ⓘ |
| coordinatesApprox | 40.65°N 74.06°W ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| function | hazard to navigation ⓘ |
| hasNavigationAid | Robbins Reef Lighthouse ⓘ |
| hasPart | Robbins Reef Lighthouse ⓘ |
| historicalSignificance | site of long‑standing navigational aid for New York Harbor ⓘ |
| jurisdiction |
State of New York
ⓘ
linked to:
U.S. state of New York
|
| locatedIn |
New York City region
ⓘ
linked to:
New York metropolitan area
New York Harbor ⓘ
linked to:
New York Harbor estuarine system
Upper New York Bay ⓘ |
| locatedInBodyOfWater |
New York Bay
ⓘ
linked to:
Upper New York Bay
|
| nameOrigin | named after a local pilot or family named Robbins ⓘ |
| near |
Bayonne, New Jersey
ⓘ
Staten Island ⓘ |
| nearShippingLane | main channel to Port of New York and New Jersey ⓘ |
| notableFor | Robbins Reef Lighthouse ⓘ |
| partOf | approaches to New York Harbor ⓘ |
| region | Northeastern United States ⓘ |
| risk | grounding hazard for vessels ⓘ |
| surroundedBy | tidal waters of Upper New York Bay ⓘ |
| usedBy | maritime traffic entering New York Harbor ⓘ |
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: Robbins Reef Description of subject: Robbins Reef is a small rocky shoal in Upper New York Bay best known as the site of the historic Robbins Reef Lighthouse, which has long guided ships entering New York Harbor.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Robbins Reef