Triple

T12338488
Position Surface form Disambiguated ID Type / Status
Subject 57th Street Beach E294154 entity
Predicate hasTransportationAccess P1298 FINISHED
Object Metra Electric District (nearby stations) E52738 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: Metra Electric District (nearby stations) | Statement: [57th Street Beach, hasTransportationAccess, Metra Electric District (nearby stations)]

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: Metra Electric District (nearby stations)
Context triple: [57th Street Beach, hasTransportationAccess, Metra Electric District (nearby stations)]
  • A. Metra at Jefferson Park
    Metra at Jefferson Park is a commuter rail station in Chicago’s Jefferson Park neighborhood that serves as a key transfer point between Metra trains and CTA transit services.
  • B. Metra Electric District line chosen
    The Metra Electric District line is a commuter rail line in the Chicago metropolitan area that runs from downtown Chicago to its southern suburbs, serving key destinations along the South Side and beyond.
  • C. Metra at Forest Park
    Metra at Forest Park is a commuter rail station in Forest Park, Illinois, serving Metra’s Union Pacific West Line and providing regional rail connections to and from Chicago.
  • D. Harvey Metra station
    Harvey Metra station is a commuter rail station in Harvey, Illinois, serving Metra’s Electric District and providing regional rail connections to Chicago and surrounding suburbs.
  • E. Metra
    Metra is the commuter rail system serving the Chicago metropolitan area, operating extensive routes that connect the city with its surrounding suburbs.
  • 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_69d6ab6ae0dc8190b1522a9c1c55c114 elicitation completed
NER batch_69d93f678698819091462b44ff3435f6 ner completed
NED1 batch_69f62aa7e33c819084e5673a5fb8cac7 ned_source_triple completed
Created at: April 8, 2026, 9:53 p.m.