Triple

T17983893
Position Surface form Disambiguated ID Type / Status
Subject North Broad station E430174 entity
Predicate formerName P65 FINISHED
Object 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.
 E1303441 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: North Broad Street station | Statement: [North Broad station, formerName, North Broad Street station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: North Broad Street station
Context triple: [North Broad station, formerName, North Broad Street station]
  • 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. South Street station
    South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
  • C. Fairmount station
    Fairmount station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Boston’s Hyde Park neighborhood on the Fairmount Line.
  • D. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • E. 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.
  • 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: North Broad Street station
Triple: [North Broad station, formerName, North Broad Street station]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: North Broad Street station
Target entity description: 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.
  • 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. South Street station
    South Street station is a light rail stop on Boston’s MBTA Green Line B branch serving the Allston–Brighton neighborhood.
  • C. Fairmount station
    Fairmount station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop in Boston’s Hyde Park neighborhood on the Fairmount Line.
  • D. North Philadelphia station
    North Philadelphia station is a transit stop in North Philadelphia, Pennsylvania, serving passengers on SEPTA’s Broad Street Line subway.
  • E. 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.
  • 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_6a0349a29b9881909105d604922addc1 completed May 12, 2026, 3:39 p.m.
NEDg Description generation batch_6a03534989c48190983c69560fdad0f9 completed May 12, 2026, 4:20 p.m.
NED2 Entity disambiguation (via description) batch_6a0353bded048190b32a116aa89ce3b0 completed May 12, 2026, 4:22 p.m.
Created at: April 10, 2026, 10:23 a.m.