Triple

T17983902
Position Surface form Disambiguated ID Type / Status
Subject North Broad station E430174 entity
Predicate near P350 FINISHED
Object Broad Street Line North Philadelphia station
Broad Street Line North Philadelphia station is a subway station on SEPTA's Broad Street Line serving the North Philadelphia neighborhood of Philadelphia, Pennsylvania.
E1304776 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: Broad Street Line North Philadelphia station | Statement: [North Broad station, near, Broad Street Line North Philadelphia station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Broad Street Line North Philadelphia station
Context triple: [North Broad station, near, Broad Street Line North Philadelphia station]
  • A. North Broad Street station
    North Broad Street station is a historic railroad station in Philadelphia, Pennsylvania, that once served as a major passenger hub on the Pennsylvania Railroad network.
  • B. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • C. 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.
  • D. 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.
  • 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.
NEDg Description generation gpt-5.1
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: Broad Street Line North Philadelphia station
Triple: [North Broad station, near, Broad Street Line North Philadelphia station]
Generated description
Broad Street Line North Philadelphia station is a subway station on SEPTA's Broad Street Line serving the North Philadelphia neighborhood of Philadelphia, Pennsylvania.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Broad Street Line North Philadelphia station
Target entity description: Broad Street Line North Philadelphia station is a subway station on SEPTA's Broad Street Line serving the North Philadelphia neighborhood of Philadelphia, Pennsylvania.
  • A. North Broad Street station
    North Broad Street station is a historic railroad station in Philadelphia, Pennsylvania, that once served as a major passenger hub on the Pennsylvania Railroad network.
  • B. Broad Street Station (Philadelphia)
    Broad Street Station (Philadelphia) was a grand former railroad terminal in Center City Philadelphia that served as the Pennsylvania Railroad’s primary passenger station and a major hub of rail travel in the late 19th and early 20th centuries.
  • C. 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.
  • D. 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.
  • 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

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d8b90364248190a37381adea932f42 completed April 10, 2026, 8:46 a.m.
NER Named-entity recognition batch_69e4b2992fe481908c0d2757b4de5bad completed April 19, 2026, 10:46 a.m.
NED1 Entity disambiguation (via context triple) batch_6a035d7b0be8819080e2c7c4d9ef49ae completed May 12, 2026, 5:03 p.m.
NEDg Description generation batch_6a035f839e6c8190813755e3034498ec completed May 12, 2026, 5:12 p.m.
NED2 Entity disambiguation (via description) batch_6a035fe7fa8c8190b855e606c591fed1 completed May 12, 2026, 5:14 p.m.
Created at: April 10, 2026, 10:23 a.m.