Northwest Branch
E134420
The Northwest Branch is a major tidal channel that forms one of the primary arms of Baltimore’s Inner Harbor in Maryland.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Northwest Branch canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T705540 — 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: Northwest Branch Context triple: [Baltimore Harbor, hasPart, Northwest Branch]
-
A.
Wapsinonoc Creek
Wapsinonoc Creek is a small stream in eastern Iowa that flows through and helps drain the area around the town of West Branch.
-
B.
Middle Branch
Middle Branch is a tidal estuary and waterfront area in Baltimore, Maryland, known for its recreational shoreline, parks, and role in the city's harbor ecosystem.
-
C.
Middle River
Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
-
D.
North Branch Potomac River
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
-
E.
Ten Mile River
Ten Mile River is a tributary in western Connecticut known for flowing through rural Litchfield County and contributing to the Housatonic River watershed.
- 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: Northwest Branch Target entity description: The Northwest Branch is a major tidal channel that forms one of the primary arms of Baltimore’s Inner Harbor in Maryland.
-
A.
Wapsinonoc Creek
Wapsinonoc Creek is a small stream in eastern Iowa that flows through and helps drain the area around the town of West Branch.
-
B.
Middle Branch
Middle Branch is a tidal estuary and waterfront area in Baltimore, Maryland, known for its recreational shoreline, parks, and role in the city's harbor ecosystem.
-
C.
Middle River
Middle River is a central stretch of the River Cam in Cambridge, England, known for its scenic college-backed banks and popular punting routes.
-
D.
North Branch Potomac River
The North Branch Potomac River is the upper, more remote headwaters section of the Potomac River, flowing along the border of Maryland and West Virginia and supplying a major portion of the Potomac’s overall drainage.
-
E.
Ten Mile River
Ten Mile River is a tributary in western Connecticut known for flowing through rural Litchfield County and contributing to the Housatonic River watershed.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
arm of harbor
ⓘ
tidal channel ⓘ waterway ⓘ |
| city | Baltimore ⓘ |
| connectedTo | Patapsco River ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| forms | one of the primary arms of Baltimore’s Inner Harbor ⓘ |
| hasCharacteristic |
tidal influence
ⓘ
urban waterfront ⓘ |
| hasMouthIn |
Baltimore Inner Harbor
ⓘ
linked to:
Inner Harbor
|
| hasNearbyFeature |
Baltimore waterfront developments
ⓘ
Inner Harbor promenade ⓘ
linked to:
Inner Harbor waterfront
Port of Baltimore ⓘ downtown Baltimore ⓘ
linked to:
Downtown Baltimore
|
| hasUse |
commercial shipping
ⓘ
navigation ⓘ recreation ⓘ |
| isMajorChannelOf |
Baltimore Inner Harbor
ⓘ
linked to:
Inner Harbor
|
| locatedIn |
Baltimore
ⓘ
Baltimore City ⓘ
linked to:
Baltimore
Maryland ⓘ United States ⓘ
linked to:
United States of America
|
| partOf |
Baltimore Inner Harbor
ⓘ
linked to:
Inner Harbor
|
| state | Maryland ⓘ |
| waterBodyType | tidal ⓘ |
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: Northwest Branch Description of subject: The Northwest Branch is a major tidal channel that forms one of the primary arms of Baltimore’s Inner Harbor in Maryland.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.