Triple

T19919918
Position Surface form Disambiguated ID Type / Status
Subject Dormont Junction station E478762 entity
Predicate partOfNetwork P840 FINISHED
Object Pittsburgh Regional Transit — NE NERFINISHED

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: Pittsburgh Regional Transit | Statement: [Dormont Junction station, partOfNetwork, Pittsburgh Regional Transit]

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: Pittsburgh Regional Transit
Context triple: [Dormont Junction station, partOfNetwork, Pittsburgh Regional Transit]
  • A. Pittsburgh Regional Transit chosen
    Pittsburgh Regional Transit is the primary public transportation agency serving the Pittsburgh metropolitan area, operating buses, light rail, and other transit services across the region.
  • B. Lorain County Transit
    Lorain County Transit is a regional public transportation agency serving communities in and around Lorain County, Ohio.
  • C. Pottstown Area Rapid Transit
    Pottstown Area Rapid Transit is the public bus transportation system serving residents and visitors in and around Pottstown, Pennsylvania.
  • D. Pittsburgh Light Rail
    Pittsburgh Light Rail is a light rail transit system serving Pittsburgh, Pennsylvania and its nearby neighborhoods, providing urban and commuter rail service including access to the city’s North Shore district.
  • E. Pittsburgh Regional Transit East Busway network
    The Pittsburgh Regional Transit East Busway network is a dedicated bus rapid transit corridor in Pittsburgh that provides fast, limited-stop service between the city’s eastern neighborhoods and downtown.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (2 batches)

Stage Batch ID Job type Status
creating batch_69d8e521855c8190b41871700afc8d6a elicitation completed
NER batch_69e659c49d408190b3a42bada3675133 ner completed
Created at: April 10, 2026, 1:53 p.m.