Triple

T16935409
Position Surface form Disambiguated ID Type / Status
Subject Kawasaki bi-level coach E410813 entity
Predicate usedInRegion P908 FINISHED
Object Chicago metropolitan area E5493 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: Chicago metropolitan area | Statement: [Kawasaki bi-level coach, usedInRegion, Chicago metropolitan area]

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: Chicago metropolitan area
Context triple: [Kawasaki bi-level coach, usedInRegion, Chicago metropolitan area]
  • A. Chicago metropolitan area chosen
    The Chicago metropolitan area is a major U.S. urban and economic region centered on the city of Chicago, encompassing numerous surrounding suburbs across northeastern Illinois and parts of neighboring states.
  • B. Detroit metropolitan area
    The Detroit metropolitan area is a major U.S. industrial and economic hub best known as the historic center of the American automotive industry.
  • C. Boston urban area
    The Boston urban area is a major metropolitan region in eastern Massachusetts centered on the city of Boston and encompassing numerous surrounding cities and towns in its continuous built-up environment.
  • D. Madison metropolitan area
    The Madison metropolitan area is a regional urban and economic hub in south-central Wisconsin centered on the city of Madison, known for its state government, major university, and growing technology and service sectors.
  • E. Chicago Basin
    Chicago Basin is a remote alpine basin in Colorado renowned for its dramatic scenery, popular backpacking routes, and access to several notable San Juan Mountain fourteeners.
  • 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_69d886c886688190967be07322597ac9 elicitation completed
NER batch_69e3cf2899608190a6bacdce9d4ceb84 ner completed
NED1 batch_6a00cfe2d4f48190b965b6c0a3cc0125 ned_source_triple completed
Created at: April 10, 2026, 5:30 a.m.