Arcadia Operations and Maintenance Facility
E422623
Arcadia Operations and Maintenance Facility is a major bus operations and maintenance center serving Foothill Transit’s public transportation network in the San Gabriel Valley region of Los Angeles County.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Arcadia Operations and Maintenance Facility canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4226880 — 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: Arcadia Operations and Maintenance Facility Context triple: [Foothill Transit, hasDepot, Arcadia Operations and Maintenance Facility]
-
A.
Hedley Industrial Complex
The Hedley Industrial Complex is a historic former manufacturing site in Troy, New York, that has been redeveloped into a mixed-use commercial and office complex along the Hudson River.
-
B.
Faraday Station
Faraday Station was a British Antarctic research base, later transferred to Ukraine and renamed Vernadsky Research Base, known for its long-term scientific observations in the Antarctic Peninsula region.
-
C.
Aberdeen Chemical Agent Disposal Facility
The Aberdeen Chemical Agent Disposal Facility was a U.S. Army installation in Maryland dedicated to safely destroying stockpiled chemical weapons as part of the nation’s chemical demilitarization efforts.
-
D.
Gianelli Pumping–Generating Plant
The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
-
E.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
- 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: Arcadia Operations and Maintenance Facility Target entity description: Arcadia Operations and Maintenance Facility is a major bus operations and maintenance center serving Foothill Transit’s public transportation network in the San Gabriel Valley region of Los Angeles County.
-
A.
Hedley Industrial Complex
The Hedley Industrial Complex is a historic former manufacturing site in Troy, New York, that has been redeveloped into a mixed-use commercial and office complex along the Hudson River.
-
B.
Faraday Station
Faraday Station was a British Antarctic research base, later transferred to Ukraine and renamed Vernadsky Research Base, known for its long-term scientific observations in the Antarctic Peninsula region.
-
C.
Aberdeen Chemical Agent Disposal Facility
The Aberdeen Chemical Agent Disposal Facility was a U.S. Army installation in Maryland dedicated to safely destroying stockpiled chemical weapons as part of the nation’s chemical demilitarization efforts.
-
D.
Gianelli Pumping–Generating Plant
The Gianelli Pumping–Generating Plant is a major hydroelectric and pumping facility in California that moves water for irrigation and storage while generating electricity as part of the state’s Central Valley Project.
-
E.
Tracy Pumping Plant
Tracy Pumping Plant is a major water pumping facility in California that lifts and conveys water from the Sacramento–San Joaquin Delta into the Central Valley Project’s distribution system.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
bus operations and maintenance facility
ⓘ
public transit facility ⓘ |
| category |
Foothill Transit facility
ⓘ
linked to:
Foothill Transit
bus garage in California ⓘ transport infrastructure in Los Angeles County, California ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| locatedIn |
Arcadia, California
ⓘ
Los Angeles County, California ⓘ
linked to:
Los Angeles County
San Gabriel Valley ⓘ |
| operator | Foothill Transit ⓘ |
| ownedBy | Foothill Transit ⓘ |
| partOf |
Foothill Transit operations network
ⓘ
linked to:
Foothill Transit
|
| primaryFunction |
bus maintenance
ⓘ
bus operations support ⓘ bus storage ⓘ |
| regionServed | eastern Los Angeles County ⓘ |
| serves |
Foothill Transit
ⓘ
Los Angeles County public transportation network ⓘ San Gabriel Valley ⓘ |
| servesMode | bus ⓘ |
| serviceArea |
San Gabriel Valley region of Los Angeles County
ⓘ
linked to:
San Gabriel Valley
|
| usedBy | Foothill Transit bus fleet ⓘ |
| usedFor |
bus dispatching
ⓘ
bus fueling ⓘ bus washing ⓘ fleet maintenance ⓘ public transportation operations ⓘ |
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: Arcadia Operations and Maintenance Facility Description of subject: Arcadia Operations and Maintenance Facility is a major bus operations and maintenance center serving Foothill Transit’s public transportation network in the San Gabriel Valley region of Los Angeles County.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.