Triple

T16446514
Position Surface form Disambiguated ID Type / Status
Subject Cobo Center station (Detroit People Mover) E399443 entity
Predicate ownedBy P347 FINISHED
Object Detroit Transportation Corporation E280563 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: Detroit Transportation Corporation | Statement: [Cobo Center station (Detroit People Mover), ownedBy, Detroit Transportation Corporation]

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: Detroit Transportation Corporation
Context triple: [Cobo Center station (Detroit People Mover), ownedBy, Detroit Transportation Corporation]
  • A. Detroit Transportation Corporation chosen
    Detroit Transportation Corporation is the public agency that owns and operates Detroit's downtown People Mover automated transit system.
  • B. Metropolitan Transit Corporation
    The Metropolitan Transit Corporation was the former public transit agency that operated bus services in King County, Washington, before being succeeded by King County Metro.
  • C. Manchester Transit Authority
    Manchester Transit Authority is the primary public bus and paratransit service provider for the city of Manchester, New Hampshire and surrounding areas.
  • D. Chicago Surface Lines
    Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
  • E. Chicago Rapid Transit Company
    The Chicago Rapid Transit Company was the private operator of Chicago’s elevated “L” rail system in the early 20th century before public transit was consolidated under the Chicago Transit Authority.
  • 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_69d87f2c6778819080fcfae53be8f12a elicitation completed
NER batch_69e32cdcedf8819080aa82a8712c0b42 ner completed
NED1 batch_6a0045922d748190bb3200c96f244149 ned_source_triple completed
Created at: April 10, 2026, 5:10 a.m.