Triple

T22284774
Position Surface form Disambiguated ID Type / Status
Subject SEPTA Broad–Ridge Spur E550828 entity
Predicate system P730 FINISHED
Object SEPTA City Transit Division — NE NERFINISHED

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 City Transit Division | Statement: [SEPTA Broad–Ridge Spur, system, SEPTA City Transit Division]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: SEPTA City Transit Division
Context triple: [SEPTA Broad–Ridge Spur, system, SEPTA City Transit Division]
  • A. SEPTA City Transit Division chosen
    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.
  • B. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • C. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • D. 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).
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 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_69e11e44d538819097c6b8f333af3352 completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15606948c81909ebaa5ea106d2b7a completed April 29, 2026, 12:51 a.m.
Created at: April 16, 2026, 8:40 p.m.