Ballona Creek
E621417
Ballona Creek is an urban waterway and flood-control channel in Los Angeles that drains much of the Westside into Santa Monica Bay.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ballona Creek canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T6807798 — 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: Ballona Creek Context triple: [Playa Vista, Los Angeles, near, Ballona Creek]
-
A.
San Luis Creek
San Luis Creek is a stream in central California that serves as a primary tributary feeding the San Luis Reservoir in Merced County.
-
B.
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.
-
C.
San Lorenzo Creek
San Lorenzo Creek is a stream in central California that serves as a significant tributary within the Salinas River watershed.
-
D.
Los Gatos Creek
Los Gatos Creek is a stream in Santa Clara County, California, that flows through the town of Los Gatos and parts of the South Bay before joining the Guadalupe River.
-
E.
Guadalupe Creek
Guadalupe Creek is a smaller stream in California that feeds into the Guadalupe River, contributing to the region’s watershed and local aquatic habitats.
- 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: Ballona Creek Target entity description: Ballona Creek is an urban waterway and flood-control channel in Los Angeles that drains much of the Westside into Santa Monica Bay.
-
A.
San Luis Creek
San Luis Creek is a stream in central California that serves as a primary tributary feeding the San Luis Reservoir in Merced County.
-
B.
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.
-
C.
San Lorenzo Creek
San Lorenzo Creek is a stream in central California that serves as a significant tributary within the Salinas River watershed.
-
D.
Los Gatos Creek
Los Gatos Creek is a stream in Santa Clara County, California, that flows through the town of Los Gatos and parts of the South Bay before joining the Guadalupe River.
-
E.
Guadalupe Creek
Guadalupe Creek is a smaller stream in California that feeds into the Guadalupe River, contributing to the region’s watershed and local aquatic habitats.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
flood control channel
ⓘ
waterway ⓘ |
| adjacentTo |
Ballona Wetlands
NERFINISHED
ⓘ
Ballona Wetlands Ecological Reserve NERFINISHED ⓘ |
| basinSize |
approximately 130 square miles
ⓘ
approximately 340 square kilometers ⓘ |
| bikePathEndpoint |
National Boulevard
NERFINISHED
ⓘ
Pacific Avenue in Marina del Rey NERFINISHED ⓘ |
| bikePathLength | approximately 7 miles ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| crosses |
Culver City
NERFINISHED
ⓘ
Del Rey NERFINISHED ⓘ Playa Vista NERFINISHED ⓘ |
| drainageBasin | Ballona Creek Watershed NERFINISHED ⓘ |
| drains |
Beverlywood
NERFINISHED
ⓘ
Cheviot Hills NERFINISHED ⓘ Culver City NERFINISHED ⓘ Mar Vista NERFINISHED ⓘ Palms NERFINISHED ⓘ West Los Angeles NERFINISHED ⓘ parts of Beverly Hills ⓘ parts of Mid-City ⓘ |
| emptiesNear | Marina del Rey NERFINISHED ⓘ |
| flowsInto | Santa Monica Bay NERFINISHED ⓘ |
| hasRecreationalFeature | Ballona Creek Bike Path NERFINISHED ⓘ |
| hasStructureType | concrete-lined channel ⓘ |
| hasTributary |
Adams Channel
NERFINISHED
ⓘ
Centinela Creek NERFINISHED ⓘ Cochran Avenue Drain NERFINISHED ⓘ Culver Boulevard Storm Drain NERFINISHED ⓘ La Cienega Storm Drain NERFINISHED ⓘ Sepulveda Channel NERFINISHED ⓘ |
| historicalName | Ballona Creek and Lagoon NERFINISHED ⓘ |
| length |
approximately 14 kilometers
ⓘ
approximately 9 miles ⓘ |
| locatedIn |
California, United States
ⓘ
surface form:
California
Los Angeles County NERFINISHED ⓘ Westside of Los Angeles NERFINISHED ⓘ |
| managedBy | Los Angeles County Flood Control District NERFINISHED ⓘ |
| mouthLocatedIn | Santa Monica Bay NERFINISHED ⓘ |
| mouthLocation | Playa del Rey NERFINISHED ⓘ |
| notableFor |
restoration and habitat projects along its lower reaches
ⓘ
urban runoff pollution issues ⓘ |
| operatedBy | Los Angeles County Department of Public Works NERFINISHED ⓘ |
| partOf | Ballona Creek Watershed NERFINISHED ⓘ |
| primaryFunction | flood control ⓘ |
| region | Southern California ⓘ |
| secondaryFunction | urban runoff conveyance ⓘ |
| sourceLocation |
Mid-City Los Angeles
NERFINISHED
ⓘ
near La Brea Avenue and Venice Boulevard ⓘ |
| waterBodyType | urban waterway ⓘ |
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: Ballona Creek Description of subject: Ballona Creek is an urban waterway and flood-control channel in Los Angeles that drains much of the Westside into Santa Monica Bay.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.