Green Line Ashland/63rd Branch
E439507
The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T4414779 — 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: Green Line Ashland/63rd Branch Context triple: [Harlem/Lake–Ashland/63rd, servicePatternOn, Green Line Ashland/63rd Branch]
-
A.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
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B.
Green Line C Branch
The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
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C.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
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D.
Ashmont–Braintree branch of the Red Line
The Ashmont–Braintree branch of the Red Line is a major rapid transit corridor of Boston’s MBTA system, running south from downtown Boston to the suburbs of Ashmont and Braintree.
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E.
Green Line Medford/Tufts branch
The Green Line Medford/Tufts branch is an extension of Boston’s MBTA Green Line light rail that serves the Medford area, including Tufts University, as part of the Green Line Extension project.
- 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: Green Line Ashland/63rd Branch Target entity description: The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
-
A.
Green Line E branch
The Green Line E branch is a light rail service of Boston's MBTA Green Line that runs from downtown through the Back Bay and Longwood Medical Area to Heath Street in Jamaica Plain.
-
B.
Green Line C Branch
The Green Line C Branch is a light rail service of Boston's MBTA Green Line that runs primarily along Beacon Street between downtown Boston and the suburb of Brookline.
-
C.
Green Line B branch
The Green Line B branch is a light rail service of Boston's MBTA Green Line that runs along Commonwealth Avenue, primarily serving Boston University and the Allston–Brighton neighborhoods.
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D.
Ashmont–Braintree branch of the Red Line
The Ashmont–Braintree branch of the Red Line is a major rapid transit corridor of Boston’s MBTA system, running south from downtown Boston to the suburbs of Ashmont and Braintree.
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E.
Green Line Medford/Tufts branch
The Green Line Medford/Tufts branch is an extension of Boston’s MBTA Green Line light rail that serves the Medford area, including Tufts University, as part of the Green Line Extension project.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
Chicago 'L' branch
ⓘ
rapid transit line branch ⓘ |
| areaServed | South Side, Chicago NERFINISHED ⓘ |
| cityServed | Chicago NERFINISHED ⓘ |
| color | green ⓘ |
| connectsTo |
Green Line Cottage Grove Branch
NERFINISHED
ⓘ
Green Line Lake Branch NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| electrification | third rail ⓘ |
| fareCollection | proof-of-payment at station turnstiles ⓘ |
| fareSystem | Ventra ⓘ |
| hasRollingStock | CTA 5000-series railcar NERFINISHED ⓘ |
| lineName | Green Line NERFINISHED ⓘ |
| locale | Chicago, Illinois NERFINISHED ⓘ |
| mode | rail ⓘ |
| network | CTA rail system NERFINISHED ⓘ |
| operator | Chicago Transit Authority ⓘ |
| owner | Chicago Transit Authority ⓘ |
| partOf | Green Line (CTA) NERFINISHED ⓘ |
| platformType | elevated ⓘ |
| primaryUse | urban passenger transport ⓘ |
| servesNeighborhood |
Englewood
NERFINISHED
ⓘ
Washington Park NERFINISHED ⓘ West Englewood NERFINISHED ⓘ |
| servicePattern | branch line ⓘ |
| state | Illinois ⓘ |
| system | Chicago 'L' NERFINISHED ⓘ |
| terminus | Ashland/63rd station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| transitType | rapid transit ⓘ |
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: Green Line Ashland/63rd Branch Description of subject: The Green Line Ashland/63rd Branch is a Chicago 'L' rapid transit branch on the CTA's Green Line that runs through the city's South Side to the Ashland/63rd terminal.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Green Line East 63rd branch
this entity surface form:
Ashland/63rd branch of the Green Line
this entity surface form:
Cottage Grove branch of the Green Line
this entity surface form:
Ashland branch of the Green Line (historically via Englewood branch)
this entity surface form:
Green Line Ashland branch