Broad Run
E440493
Broad Run is a stream in the Bull Run watershed of northern Virginia that serves as a tributary to the Occoquan River.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Broad Run canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4426631 — 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: Broad Run Context triple: [Bull Run watershed, hasWatercourse, Broad Run]
-
A.
Four Mile Run
Four Mile Run is a stream in Northern Virginia that flows through Arlington and Alexandria into the Potomac River, bordered by parks, trails, and nearby urban neighborhoods.
-
B.
Edwards Run
Edwards Run is a small stream in West Virginia that serves as a tributary within the Cacapon River watershed.
-
C.
Greenant Creek
Greenant Creek is a scenic watercourse in Australia's Northern Territory known for its waterfalls, swimming holes, and walking tracks within Litchfield National Park.
-
D.
Broad Run, Virginia
Broad Run, Virginia is an unincorporated community in Prince William County best known as the western terminus of the Virginia Railway Express Manassas Line and its associated commuter rail station and yard.
-
E.
Thornton Creek
Thornton Creek is an urban stream in Seattle, Washington, that drains a large watershed before emptying into Lake Washington.
- 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: Broad Run Target entity description: Broad Run is a stream in the Bull Run watershed of northern Virginia that serves as a tributary to the Occoquan River.
-
A.
Four Mile Run
Four Mile Run is a stream in Northern Virginia that flows through Arlington and Alexandria into the Potomac River, bordered by parks, trails, and nearby urban neighborhoods.
-
B.
Edwards Run
Edwards Run is a small stream in West Virginia that serves as a tributary within the Cacapon River watershed.
-
C.
Greenant Creek
Greenant Creek is a scenic watercourse in Australia's Northern Territory known for its waterfalls, swimming holes, and walking tracks within Litchfield National Park.
-
D.
Broad Run, Virginia
Broad Run, Virginia is an unincorporated community in Prince William County best known as the western terminus of the Virginia Railway Express Manassas Line and its associated commuter rail station and yard.
-
E.
Thornton Creek
Thornton Creek is an urban stream in Seattle, Washington, that drains a large watershed before emptying into Lake Washington.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
river
ⓘ
stream ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| drainsInto | Occoquan River ⓘ |
| flowsThrough |
Loudoun County, Virginia
ⓘ
Prince William County, Virginia ⓘ |
| hasUse |
ecological habitat
ⓘ
regional drainage ⓘ |
| hasWatershed | Bull Run watershed ⓘ |
| hydrologicalSystem |
Potomac River watershed
ⓘ
linked to:
Potomac River
|
| isPartOf |
Occoquan River system
ⓘ
linked to:
Occoquan River
|
| locatedIn |
Northern Virginia
ⓘ
United States ⓘ
linked to:
United States of America
Virginia ⓘ |
| locatedInHydrologicUnit |
Occoquan River basin
ⓘ
linked to:
Occoquan River
|
| mouth | Occoquan River ⓘ |
| mouthLocation | Virginia ⓘ |
| partOf | Bull Run watershed ⓘ |
| state | Virginia ⓘ |
| tributaryOf | Occoquan River ⓘ |
| waterbodyType | freshwater stream ⓘ |
| watercourseCategory | tributary ⓘ |
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: Broad Run Description of subject: Broad Run is a stream in the Bull Run watershed of northern Virginia that serves as a tributary to the Occoquan River.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Buckland