Willow Brook
E753641
Willow Brook is a small stream in Sonoma County, California, that feeds into the Petaluma River within the San Francisco Bay watershed.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Willow Brook canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8709564 — 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: Willow Brook Context triple: [Petaluma River, hasTributary, Willow Brook]
-
A.
Willow Brook
Willow Brook is a small stream in Connecticut that feeds into the Quinnipiac River as part of its watershed system.
-
B.
Willow Brook
Willow Brook is a minor watercourse in England that serves as one of the tributary streams feeding into the River Soar.
-
C.
Valley Brook
Valley Brook is a small town in central Oklahoma known for its location within the Oklahoma City metropolitan area and its historically active traffic enforcement.
-
D.
Loop Brook
Loop Brook is a scenic watercourse in British Columbia’s Glacier National Park, known for its forested valley setting and proximity to historic railway sites.
-
E.
Jane Brook
Jane Brook is a small watercourse in Western Australia that flows through the Perth Hills before joining the Swan River.
- 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: Willow Brook Target entity description: Willow Brook is a small stream in Sonoma County, California, that feeds into the Petaluma River within the San Francisco Bay watershed.
-
A.
Willow Brook
Willow Brook is a small stream in Connecticut that feeds into the Quinnipiac River as part of its watershed system.
-
B.
Willow Brook
Willow Brook is a minor watercourse in England that serves as one of the tributary streams feeding into the River Soar.
-
C.
Valley Brook
Valley Brook is a small town in central Oklahoma known for its location within the Oklahoma City metropolitan area and its historically active traffic enforcement.
-
D.
Loop Brook
Loop Brook is a scenic watercourse in British Columbia’s Glacier National Park, known for its forested valley setting and proximity to historic railway sites.
-
E.
Jane Brook
Jane Brook is a small watercourse in Western Australia that flows through the Perth Hills before joining the Swan River.
- F. None of above. chosen
Statements (14)
| Predicate | Object |
|---|---|
| instanceOf | stream ⓘ |
| basinCountry |
United States
ⓘ
linked to:
United States of America
|
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| flowsThrough | Sonoma County, California ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
San Francisco Bay watershed ⓘ
linked to:
San Francisco Bay hydrologic region
Sonoma County, California ⓘ |
| mouthLocatedIn | Sonoma County, California ⓘ |
| mouthRiver | Petaluma River ⓘ |
| partOf |
Petaluma River watershed
ⓘ
linked to:
Petaluma River
San Francisco Bay hydrologic system ⓘ
linked to:
San Francisco Bay hydrologic region
|
| region | Northern California ⓘ |
| tributaryOf | Petaluma River ⓘ |
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: Willow Brook Description of subject: Willow Brook is a small stream in Sonoma County, California, that feeds into the Petaluma River within the San Francisco Bay watershed.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.