Triple

T5296278
Position Surface form Disambiguated ID Type / Status
Subject Union Township, Lawrence County, Pennsylvania E119862 entity
Predicate nearestMajorCity P1982 FINISHED
Object Pittsburgh, Pennsylvania E19280 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, Pennsylvania | Statement: [Union Township, Lawrence County, Pennsylvania, nearestMajorCity, Pittsburgh, Pennsylvania]

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, Pennsylvania
Context triple: [Union Township, Lawrence County, Pennsylvania, nearestMajorCity, Pittsburgh, Pennsylvania]
  • A. Pittsburgh, Pennsylvania chosen
    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.
  • B. Duquesne, Pennsylvania
    Duquesne, Pennsylvania is a small industrial city along the Monongahela River near Pittsburgh, historically known as a major steel-producing community in the American Rust Belt.
  • C. Pittsburg
    Pittsburg is an industrial and residential city in Contra Costa County in the San Francisco Bay Area of California.
  • D. Carnegie, Pennsylvania
    Carnegie, Pennsylvania is a small borough in Allegheny County near Pittsburgh, historically tied to the region’s steel industry and local immigrant communities.
  • E. Houston, Pennsylvania
    Houston, Pennsylvania is a small borough in southwestern Pennsylvania that forms part of the Pittsburgh metropolitan area.
  • 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_69bd446f22b88190b6a47fb91c68a3e7 elicitation completed
NER batch_69bd8503cf908190b1f93fb10a33c49c ner completed
NED1 batch_69bf28f6f5148190ac40ba3256f8264b ned_source_triple completed
Created at: March 20, 2026, 1:53 p.m.