Triple

T11034093
Position Surface form Disambiguated ID Type / Status
Subject Fern Rock–Olney express segment E260831 entity
Predicate owner P347 FINISHED
Object Southeastern Pennsylvania Transportation Authority E5633 NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Southeastern Pennsylvania Transportation Authority | Statement: [Fern Rock–Olney express segment, owner, Southeastern Pennsylvania Transportation Authority]

Disambiguation candidates (1 decision)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Southeastern Pennsylvania Transportation Authority
Context triple: [Fern Rock–Olney express segment, owner, Southeastern Pennsylvania Transportation Authority]
  • A. Southeastern Pennsylvania Transportation Authority chosen
    The Southeastern Pennsylvania Transportation Authority (SEPTA) is the regional public transit agency serving the Philadelphia metropolitan area, operating buses, subways, trolleys, and commuter rail services across southeastern Pennsylvania.
  • B. 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).
  • 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. South Jersey Transportation Authority
    The South Jersey Transportation Authority is a regional agency that manages and oversees key transportation infrastructure and services in southern New Jersey, including highways and the Atlantic City International Airport.
  • E. SEPTA
    SEPTA is the regional public transportation authority serving Philadelphia and its surrounding counties, operating buses, subways, trolleys, and commuter rail services.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

Stage Batch ID Job type Status
creating batch_69d6aa979bdc8190bf0e79104cc098c1 elicitation completed
NER batch_69d797e709648190adbb05197e15ff76 ner completed
NED1 batch_69e3a9b70074819084c725c5babf2fb7 ned_source_triple completed
Created at: April 8, 2026, 9:25 p.m.