Triple

T2930411
Position Surface form Disambiguated ID Type / Status
Subject City Hall station (SEPTA) E78946 entity
Predicate hasFormerName P65 FINISHED
Object Penn Square station
Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
E312899 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: Penn Square station | Statement: [City Hall station (SEPTA), hasFormerName, Penn Square station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Penn Square station
Context triple: [City Hall station (SEPTA), hasFormerName, Penn Square station]
  • A. North Avenue station
    North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
  • B. Civic Center station
    Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
  • C. Grand Army Plaza station
    Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
  • D. Five Points station
    Five Points station is the primary transit hub in downtown Atlanta where multiple MARTA rail lines intersect, serving as a major connection point for commuters across the metropolitan area.
  • E. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • 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: Penn Square station
Triple: [City Hall station (SEPTA), hasFormerName, Penn Square station]
Generated description
Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Penn Square station
Target entity description: Penn Square station was the original name of what is now SEPTA’s City Hall station, a major underground transit hub in central Philadelphia.
  • A. North Avenue station
    North Avenue station is a transit stop on Baltimore's Light Rail system serving the North Avenue corridor in Baltimore, Maryland.
  • B. Civic Center station
    Civic Center station is a major public transit hub in downtown St. Louis, Missouri, serving MetroLink light rail and numerous bus routes near the Enterprise Center arena.
  • C. Grand Army Plaza station
    Grand Army Plaza station is a New York City Subway station in Brooklyn serving the 2 and 3 lines near the Soldiers' and Sailors' Arch and the northern edge of Prospect Park.
  • D. Five Points station
    Five Points station is the primary transit hub in downtown Atlanta where multiple MARTA rail lines intersect, serving as a major connection point for commuters across the metropolitan area.
  • E. Pershing Square station
    Pershing Square station is an underground rapid transit station in downtown Los Angeles serving the Metro B Line and nearby historic and commercial districts.
  • 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_69ad8b0d40b481908bc2a5fa2e73c3fb completed March 8, 2026, 2:43 p.m.
NER Named-entity recognition batch_69ad980191388190ac2455a7d9867be3 completed March 8, 2026, 3:38 p.m.
NED1 Entity disambiguation (via context triple) batch_69b086703868819083eacc3fe392fde1 completed March 10, 2026, 9 p.m.
NEDg Description generation batch_69b0d21ad8908190bf232b48d8766f59 completed March 11, 2026, 2:23 a.m.
NED2 Entity disambiguation (via description) batch_69b0d278538481909f573d77cb0338da completed March 11, 2026, 2:24 a.m.
Created at: March 8, 2026, 2:55 p.m.