A (Los Angeles Metro Rail zone system, historical)
E772763
A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| A (Los Angeles Metro Rail zone system, historical) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9014090 — 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: A (Los Angeles Metro Rail zone system, historical) Context triple: [Norwalk station, fareZone, A (Los Angeles Metro Rail zone system, historical)]
-
A.
Metra zone E
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
B.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
D.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
-
E.
RTA Blue and Green Lines system
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
- 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: A (Los Angeles Metro Rail zone system, historical) Target entity description: A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
-
A.
Metra zone E
Metra zone E is a commuter rail fare zone in the Chicago metropolitan area used to determine ticket prices on Metra’s zone-based system.
-
B.
Los Angeles Metro Rail
Los Angeles Metro Rail is a rapid transit system serving Los Angeles County, California, consisting of multiple light rail and subway lines that connect key neighborhoods, business districts, and regional destinations.
-
C.
Metrolink fare zones
Metrolink fare zones are the concentric pricing areas used to calculate ticket costs across Greater Manchester’s Metrolink tram network.
-
D.
LA Metro A Line
The LA Metro A Line is a light rail line in Los Angeles County that connects downtown Los Angeles with several surrounding communities, including Pasadena and Long Beach.
-
E.
RTA Blue and Green Lines system
The RTA Blue and Green Lines system is a light rail network in Cleveland, Ohio, operated by the Greater Cleveland Regional Transit Authority and serving key east-side suburbs and downtown areas.
- F. None of above. chosen
Statements (22)
| Predicate | Object |
|---|---|
| instanceOf |
Los Angeles Metro Rail fare zone
ⓘ
fare zone ⓘ transportation-related designation ⓘ |
| appliesTo | Los Angeles Metro Rail NERFINISHED ⓘ |
| appliesToMode | urban rail transit ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| fareIntegration | part of Metro Rail fare structure of its time ⓘ |
| fareMedium |
magnetic stripe ticket
ⓘ
paper ticket ⓘ pass ⓘ |
| farePolicyRelation | used to calculate distance-based or zone-based fares ⓘ |
| fareRole | determined ticket price based on number of zones traveled ⓘ |
| fareSystemType | zone-based fare system ⓘ |
| geographicContext | Los Angeles County, California NERFINISHED ⓘ |
| isHistorical | true ⓘ |
| notation | letter-based zone designation ⓘ |
| operator | Los Angeles County Metropolitan Transportation Authority NERFINISHED ⓘ |
| operatorAbbreviation | LACMTA NERFINISHED ⓘ |
| replacedBy | flat-fare and TAP smart card–based system (general) ⓘ |
| status | discontinued ⓘ |
| usedInSystem | Los Angeles Metro Rail zone-based ticketing system ⓘ |
| zoneLabel | A ⓘ |
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: A (Los Angeles Metro Rail zone system, historical) Description of subject: A was a former fare zone designation used in the historical Los Angeles Metro Rail zone-based ticketing system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.