Triple

T5536147
Position Surface form Disambiguated ID Type / Status
Subject SEPTA trackless trolley routes E145165 entity
Predicate historicalPredecessor P97 FINISHED
Object Philadelphia Transportation Company trolleybus system 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 trolleybus system | Statement: [SEPTA trackless trolley routes, historicalPredecessor, Philadelphia Transportation Company trolleybus system]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Philadelphia Transportation Company trolleybus system
Context triple: [SEPTA trackless trolley routes, historicalPredecessor, Philadelphia Transportation Company trolleybus system]
  • 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. Unitrans bus system
    The Unitrans bus system is a public transit service in Davis, California, primarily operated by UC Davis students and serving both the university campus and the surrounding community.
  • C. SEPTA rapid transit network
    The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
  • D. SEPTA City Transit Division
    The SEPTA City Transit Division is the branch of Philadelphia’s regional transit authority that operates the city’s buses, trolleys, and subway–elevated lines.
  • E. Bee-Line Bus System
    The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
  • 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_69c008f9955881909bfa8348b56b4739 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c01fb07e748190bea74bbde2d7b8ba completed March 22, 2026, 4:58 p.m.
NED1 Entity disambiguation (via context triple) batch_69c02814359c8190b868811f22aa568c completed March 22, 2026, 5:34 p.m.
Created at: March 22, 2026, 3:34 p.m.