San Mateo Creek
E385405
San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| San Mateo Creek canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T3405588 — 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: San Mateo Creek Context triple: [Crystal Springs Reservoir, primaryOutflow, San Mateo Creek]
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A.
Sespe Creek
Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
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B.
Lee Vining Creek
Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
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C.
Tecate Creek
Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
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D.
Malibu Creek
Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
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E.
Mariposa Creek
Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
- 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: San Mateo Creek Target entity description: San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
-
A.
Sespe Creek
Sespe Creek is a major free-flowing stream in Southern California known for its scenic canyon, wildlife habitat, and role as a key tributary of the Santa Clara River.
-
B.
Lee Vining Creek
Lee Vining Creek is a Sierra Nevada stream in California that flows east into Mono Lake, providing a key source of freshwater to the Mono Basin ecosystem.
-
C.
Tecate Creek
Tecate Creek is a small stream in the U.S.–Mexico border region that flows through Tecate, California, and into Baja California, Mexico.
-
D.
Malibu Creek
Malibu Creek is a scenic waterway in the Santa Monica Mountains of Southern California that flows through rugged canyons to the Pacific Ocean near Malibu.
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E.
Mariposa Creek
Mariposa Creek is a stream in central California notable for its early Spanish exploration history and association with the Sierra Nevada foothill town of Mariposa.
- F. None of above. chosen
Statements (38)
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: San Mateo Creek Description of subject: San Mateo Creek is a waterway in San Mateo County, California, that drains the Crystal Springs Reservoir and flows toward San Francisco Bay.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.