Arroyo del Valle
E952795
Arroyo del Valle is a stream in Alameda County, California, that flows through and drains the Livermore Valley before joining the larger watershed of the region.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Arroyo Valle | 2 |
| Arroyo del Valle canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11800247 — 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: Arroyo del Valle Context triple: [Livermore Valley, drainageBasinOf, Arroyo del Valle]
-
A.
Arroyo Naranjo
Arroyo Naranjo is a municipality in Cuba known as one of the administrative divisions of the Havana metropolitan area.
-
B.
Arroyo Alamar
Arroyo Alamar is a stream in Tijuana, Baja California, that flows through urban and industrial areas and contributes to the region’s hydrology and cross-border environmental concerns.
-
C.
Arroyo Chaperas
Arroyo Chaperas is a minor stream in southern Spain that serves as one of the tributaries feeding the Guadalmedina River.
-
D.
Arroyo de las Vacas
Arroyo de las Vacas is a minor stream in southern Spain that serves as a tributary within the Guadalmedina River basin.
-
E.
Arroyo
Arroyo is a Spanish-origin surname commonly found in Spanish-speaking countries and among Hispanic communities worldwide.
- 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: Arroyo del Valle Target entity description: Arroyo del Valle is a stream in Alameda County, California, that flows through and drains the Livermore Valley before joining the larger watershed of the region.
-
A.
Arroyo Naranjo
Arroyo Naranjo is a municipality in Cuba known as one of the administrative divisions of the Havana metropolitan area.
-
B.
Arroyo Alamar
Arroyo Alamar is a stream in Tijuana, Baja California, that flows through urban and industrial areas and contributes to the region’s hydrology and cross-border environmental concerns.
-
C.
Arroyo Chaperas
Arroyo Chaperas is a minor stream in southern Spain that serves as one of the tributaries feeding the Guadalmedina River.
-
D.
Arroyo de las Vacas
Arroyo de las Vacas is a minor stream in southern Spain that serves as a tributary within the Guadalmedina River basin.
-
E.
Arroyo
Arroyo is a Spanish-origin surname commonly found in Spanish-speaking countries and among Hispanic communities worldwide.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
stream
ⓘ
watercourse ⓘ |
| basinCountry |
United States of America
ⓘ
surface form:
United States
|
| country |
United States of America
ⓘ
surface form:
United States
|
| drainageArea | Livermore Valley and surrounding hills NERFINISHED ⓘ |
| drains | Livermore Valley NERFINISHED ⓘ |
| flowsThrough | Livermore Valley NERFINISHED ⓘ |
| hasCounty | Alameda County NERFINISHED ⓘ |
| hasEcologicalRole | riparian habitat corridor ⓘ |
| hasFloodRisk | subject to seasonal flooding ⓘ |
| hasHydrologicalType | perennial stream ⓘ |
| hasNearbyCity |
Livermore, California
NERFINISHED
ⓘ
Pleasanton, California NERFINISHED ⓘ |
| hasUse |
local water supply
ⓘ
recreation ⓘ |
| isTributaryOf | larger regional watershed in Alameda County ⓘ |
| languageOfName | Spanish ⓘ |
| locatedIn |
Alameda County
ⓘ
surface form:
Alameda County, California
California, United States ⓘ
surface form:
California
East Bay region of the San Francisco Bay Area NERFINISHED ⓘ Livermore Valley NERFINISHED ⓘ |
| nameMeaning | stream of the valley ⓘ |
| partOf |
Livermore Valley watershed
NERFINISHED
ⓘ
regional watershed of Alameda County ⓘ |
| region | Northern California ⓘ |
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: Arroyo del Valle Description of subject: Arroyo del Valle is a stream in Alameda County, California, that flows through and drains the Livermore Valley before joining the larger watershed of the region.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Arroyo Valle
this entity surface form:
Arroyo Valle