Triple

T16315270
Position Surface form Disambiguated ID Type / Status
Subject Pennsylvania trolley gauge E396156 entity
Predicate usedOn P2367 FINISHED
Object SEPTA Subway–Surface Trolley Lines E1855 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: SEPTA Subway–Surface Trolley Lines | Statement: [Pennsylvania trolley gauge, usedOn, SEPTA Subway–Surface Trolley Lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SEPTA Subway–Surface Trolley Lines
Context triple: [Pennsylvania trolley gauge, usedOn, SEPTA Subway–Surface Trolley Lines]
  • A. SEPTA Subway–Surface Trolley Lines chosen
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • B. SEPTA Subway
    SEPTA Subway is the rapid transit network serving Philadelphia and some surrounding areas, operated by the Southeastern Pennsylvania Transportation Authority and centered on the Broad Street and Market–Frankford lines.
  • C. SEPTA trolley cars
    SEPTA trolley cars are the light rail vehicles used by Philadelphia’s transit authority to provide streetcar and subway–surface trolley service across the city.
  • D. SEPTA Broad Street Line
    The SEPTA Broad Street Line is a rapid transit subway line running primarily along Broad Street in Philadelphia, providing north–south service through the city’s central corridor.
  • E. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • 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_6a001fa88e8c8190b0423b60389896dc completed May 10, 2026, 6:03 a.m.
Created at: April 10, 2026, 5:06 a.m.