Triple

T7481344
Position Surface form Disambiguated ID Type / Status
Subject Carnegie, Pennsylvania E176764 entity
Predicate locatedIn P40 FINISHED
Object Pittsburgh metropolitan area E1400 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: Pittsburgh metropolitan area | Statement: [Carnegie, Pennsylvania, locatedIn, Pittsburgh 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: Pittsburgh metropolitan area
Context triple: [Carnegie, Pennsylvania, locatedIn, Pittsburgh metropolitan area]
  • A. Pittsburgh region chosen
    The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
  • B. Pittsburgh, Pennsylvania
    Pittsburgh, Pennsylvania is a major U.S. city in western Pennsylvania known for its historic steel industry, numerous bridges, and strong educational and technology sectors.
  • C. Erie metropolitan area
    The Erie metropolitan area is a regional urban and economic hub in northwestern Pennsylvania centered on the city of Erie along the shores of Lake Erie.
  • D. Pittsburg micropolitan area
    The Pittsburg micropolitan area is a small urban region in southeastern Kansas centered around the city of Pittsburg and its surrounding communities.
  • E. Metropolis of Pittsburgh
    The Metropolis of Pittsburgh is an ecclesiastical jurisdiction of the Greek Orthodox Archdiocese of America overseeing Greek Orthodox parishes in parts of the northeastern United States.
  • 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_69c69f236ce08190a04d7679f03b29b2 elicitation completed
NER batch_69c6f534aa388190b3bb3e16be3a54c8 ner completed
NED1 batch_69c83451fcfc8190b32840c3c3448962 ned_source_triple completed
Created at: March 27, 2026, 3:42 p.m.