Triple

T16315268
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania trolley gauge E396156 entity
Predicate historicallyUsedBy P2834 FINISHED
Object Philadelphia Transportation Company E150675 NE FINISHED

How this triple was built (2 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: Philadelphia Transportation Company | Statement: [Pennsylvania trolley gauge, historicallyUsedBy, Philadelphia Transportation Company]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Philadelphia Transportation Company
Context triple: [Pennsylvania trolley gauge, historicallyUsedBy, Philadelphia Transportation Company]
  • A. Philadelphia Transportation Company chosen
    The Philadelphia Transportation Company was the private transit operator that managed Philadelphia’s streetcars, buses, and subways for much of the mid-20th century before being succeeded by SEPTA.
  • B. Philadelphia Rapid Transit Company
    The Philadelphia Rapid Transit Company was a major early 20th-century public transit operator in Philadelphia that managed the city’s streetcar and rapid transit systems before being succeeded by later agencies.
  • C. Philadelphia Suburban Transportation Company
    The Philadelphia Suburban Transportation Company was a private transit operator that ran suburban trolley and bus services in the Philadelphia region before being absorbed into the Southeastern Pennsylvania Transportation Authority (SEPTA).
  • D. Philadelphia and West Chester Traction Company
    The Philadelphia and West Chester Traction Company was an early 20th-century suburban streetcar and interurban railway operator serving the area between Philadelphia and West Chester, Pennsylvania.
  • E. Baltimore Transit Company
    The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69d87f255b788190a400eba031dd85d8 completed April 10, 2026, 4:40 a.m.
NER Named-entity recognition batch_69e288de57cc81908cec93309347c385 completed April 17, 2026, 7:24 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0026044a5881908773e286fb1a6e3e completed May 10, 2026, 6:30 a.m.
Created at: April 10, 2026, 5:06 a.m.