Triple

T3268991
Position Surface form Disambiguated ID Type / Status
Subject Suburban Station E68595 entity
Predicate formerName P65 FINISHED
Object Pennsylvania Railroad Suburban Station
Pennsylvania Railroad Suburban Station is an underground commuter rail hub in Center City Philadelphia that serves as a major stop on SEPTA’s Regional Rail network.
E8352 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: Pennsylvania Railroad Suburban Station | Statement: [Suburban Station, formerName, Pennsylvania Railroad Suburban Station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Suburban Station
Context triple: [Suburban Station, formerName, Pennsylvania Railroad Suburban Station]
  • A. Pennsylvania Station
    Pennsylvania Station is a major transportation hub in Midtown Manhattan, New York City, serving as one of the busiest rail stations in the United States for Amtrak, commuter rail, and subway lines.
  • B. Swarthmore station
    Swarthmore station is a commuter rail station in Swarthmore, Pennsylvania, serving SEPTA’s Media/Wawa Line and providing regional rail access to the Philadelphia area.
  • 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. 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.
  • E. West Trenton station
    West Trenton station is a commuter rail station in Ewing Township, New Jersey, serving as a key terminus and transfer point for regional rail services.
  • 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: Pennsylvania Railroad Suburban Station
Triple: [Suburban Station, formerName, Pennsylvania Railroad Suburban Station]
Generated description
Pennsylvania Railroad Suburban Station is an underground commuter rail hub in Center City Philadelphia that serves as a major stop on SEPTA’s Regional Rail network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Pennsylvania Railroad Suburban Station
Target entity description: Pennsylvania Railroad Suburban Station is an underground commuter rail hub in Center City Philadelphia that serves as a major stop on SEPTA’s Regional Rail network.
  • A. Pennsylvania Station
    Pennsylvania Station is a major transportation hub in Midtown Manhattan, New York City, serving as one of the busiest rail stations in the United States for Amtrak, commuter rail, and subway lines.
  • B. Swarthmore station
    Swarthmore station is a commuter rail station in Swarthmore, Pennsylvania, serving SEPTA’s Media/Wawa Line and providing regional rail access to the Philadelphia area.
  • 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. Broad Street Station (Philadelphia) chosen
    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.
  • E. West Trenton station
    West Trenton station is a commuter rail station in Ewing Township, New Jersey, serving as a key terminus and transfer point for regional rail services.
  • F. None of above.

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_69ad859b54f881909bf530d549caf2fd completed March 8, 2026, 2:20 p.m.
NER Named-entity recognition batch_69adafd0eddc8190834a64f6b8e8e9f9 completed March 8, 2026, 5:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69b28efded588190bd6c361e5298b496 completed March 12, 2026, 10:01 a.m.
NEDg Description generation batch_69b28fcef05c8190b9141dcaa3f9145b completed March 12, 2026, 10:05 a.m.
NED2 Entity disambiguation (via description) batch_69b2d6c1c65c81909e661c6beaaec9af completed March 12, 2026, 3:07 p.m.
Created at: March 8, 2026, 3:09 p.m.