Washington Channel
E196217
The Washington Channel is a man-made waterway in Southwest Washington, D.C., separating the mainland from East Potomac Park and used for recreation, boating, and waterfront activities.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Washington Channel canonical | 23 |
| Relief Channel | 1 |
| Washington Channel shoreline | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1756416 — 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: Washington Channel Context triple: [Independence Avenue, crosses, Washington Channel]
-
A.
Buttermilk Channel
Buttermilk Channel is a tidal strait in New York City that separates Brooklyn from Governors Island and connects Upper New York Bay with the East River.
-
B.
San Antonio Channel
San Antonio Channel is a navigable waterway in Puerto Rico that links San Juan Bay with surrounding coastal areas and supports maritime traffic in the San Juan region.
-
C.
Catherine Canal
Catherine Canal was the former name of the Griboyedov Canal, a historic waterway running through central Saint Petersburg, Russia.
-
D.
Garrison Channel
Garrison Channel is a waterway in downtown Tampa, Florida, that separates the city’s central business district from Harbour Island and serves as a key part of the Tampa waterfront.
-
E.
Cal-Sag Channel
The Cal-Sag Channel is a man-made waterway in the Chicago metropolitan area that diverts and carries water and barge traffic between the Calumet River system and the Chicago Sanitary and Ship Canal.
- 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: Washington Channel Target entity description: The Washington Channel is a man-made waterway in Southwest Washington, D.C., separating the mainland from East Potomac Park and used for recreation, boating, and waterfront activities.
-
A.
Buttermilk Channel
Buttermilk Channel is a tidal strait in New York City that separates Brooklyn from Governors Island and connects Upper New York Bay with the East River.
-
B.
San Antonio Channel
San Antonio Channel is a navigable waterway in Puerto Rico that links San Juan Bay with surrounding coastal areas and supports maritime traffic in the San Juan region.
-
C.
Catherine Canal
Catherine Canal was the former name of the Griboyedov Canal, a historic waterway running through central Saint Petersburg, Russia.
-
D.
Garrison Channel
Garrison Channel is a waterway in downtown Tampa, Florida, that separates the city’s central business district from Harbour Island and serves as a key part of the Tampa waterfront.
-
E.
Cal-Sag Channel
The Cal-Sag Channel is a man-made waterway in the Chicago metropolitan area that diverts and carries water and barge traffic between the Calumet River system and the Chicago Sanitary and Ship Canal.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
channel
ⓘ
man-made waterway ⓘ waterway ⓘ |
| adjacentTo |
East Potomac Park
ⓘ
Southwest Waterfront ⓘ
surface form:
Southwest Waterfront neighborhood
|
| country |
United States of America
ⓘ
surface form:
United States
|
| hasActivity |
canoeing
ⓘ
fishing ⓘ kayaking ⓘ sailing ⓘ sightseeing cruises ⓘ |
| hasInfrastructure |
boat docks
ⓘ
public piers ⓘ waterfront promenades ⓘ |
| hasShorelineFeature |
marinas
ⓘ
piers ⓘ waterfront parks ⓘ |
| isArtificial | true ⓘ |
| isUrbanWaterway | true ⓘ |
| locatedIn |
Southwest Washington, D.C.
ⓘ
Washington, D.C. ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| partOf |
Potomac River
ⓘ
surface form:
Potomac River system
|
| region |
Mid-Atlantic states
ⓘ
surface form:
Mid-Atlantic United States
|
| separates |
East Potomac Park
ⓘ
mainland Washington, D.C. ⓘ |
| usedFor |
boating
ⓘ
recreation ⓘ waterfront activities ⓘ |
| waterBodyType | tidal channel ⓘ |
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: Washington Channel Description of subject: The Washington Channel is a man-made waterway in Southwest Washington, D.C., separating the mainland from East Potomac Park and used for recreation, boating, and waterfront activities.
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Washington Channel shoreline
this entity surface form:
Relief Channel