Triple

T11034141
Position Surface form Disambiguated ID Type / Status
Subject Spring Garden station (Broad Street Line) E260832 entity
Predicate hasAdjacentStation P231 FINISHED
Object Fairmount station (Broad Street Line)
Fairmount station (Broad Street Line) is an underground rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
 E902036 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Fairmount station (Broad Street Line) | Statement: [Spring Garden station (Broad Street Line), hasAdjacentStation, Fairmount station (Broad Street Line)]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Fairmount station (Broad Street Line)
Context triple: [Spring Garden station (Broad Street Line), hasAdjacentStation, Fairmount station (Broad Street Line)]
  • A. Walnut Street station
    Walnut Street station is a New Jersey Transit commuter rail stop in Montclair, New Jersey, serving passengers on the Montclair-Boonton Line.
  • B. Girard station (Broad Street Line)
    Girard station (Broad Street Line) is an underground rapid transit station in Philadelphia, Pennsylvania, located along SEPTA’s Broad Street Line near the intersection of Girard Avenue and Broad Street.
  • C. SEPTA 34th Street Station (Market–Frankford Line)
    SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
  • D. Erie station (Broad Street Line)
    Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
  • E. City Hall Station (Philadelphia)
    City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
  • 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: Fairmount station (Broad Street Line)
Target entity description: Fairmount station (Broad Street Line) is an underground rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
  • A. Walnut Street station
    Walnut Street station is a New Jersey Transit commuter rail stop in Montclair, New Jersey, serving passengers on the Montclair-Boonton Line.
  • B. Girard station (Broad Street Line)
    Girard station (Broad Street Line) is an underground rapid transit station in Philadelphia, Pennsylvania, located along SEPTA’s Broad Street Line near the intersection of Girard Avenue and Broad Street.
  • C. SEPTA 34th Street Station (Market–Frankford Line)
    SEPTA 34th Street Station (Market–Frankford Line) is an elevated rapid transit station in West Philadelphia serving the Market–Frankford Line, providing access to nearby University City institutions and surrounding neighborhoods.
  • D. Erie station (Broad Street Line)
    Erie station (Broad Street Line) is a rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.
  • E. City Hall Station (Philadelphia)
    City Hall Station (Philadelphia) is a major underground transit hub in Center City that serves as a key interchange point for multiple SEPTA subway and trolley lines beneath Philadelphia’s City Hall.
  • F. None of above. chosen

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Fairmount station (Broad Street Line)
Triple: [Spring Garden station (Broad Street Line), hasAdjacentStation, Fairmount station (Broad Street Line)]
Generated description
Fairmount station (Broad Street Line) is an underground rapid transit station on SEPTA's Broad Street Line in Philadelphia, Pennsylvania.

Provenance (5 batches)

Stage Batch ID Job type Status
creating batch_69d6aa979bdc8190bf0e79104cc098c1 elicitation completed
NER batch_69d797e709648190adbb05197e15ff76 ner completed
NED1 batch_69e3a9b70074819084c725c5babf2fb7 ned_source_triple completed
NED2 batch_69e3b1efe4a88190884eb5186954cf39 ned_description completed
NEDg batch_69e3ad00b5c08190a7bf3ecbeae76d88 nedg completed
Created at: April 8, 2026, 9:25 p.m.