Triple

T7785961
Position Surface form Disambiguated ID Type / Status
Subject Puente Alto E187244 entity
Predicate terminusOf P3375 FINISHED
Object Santiago Metro Line 4 E284691 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: Santiago Metro Line 4 | Statement: [Puente Alto, terminusOf, Santiago Metro Line 4]

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: Santiago Metro Line 4
Context triple: [Puente Alto, terminusOf, Santiago Metro Line 4]
  • A. Santiago Metro Line 5
    Santiago Metro Line 5 is a major rapid transit line in the Santiago Metro network that runs east–west across the Chilean capital, connecting key commercial, residential, and historic areas.
  • B. Santiago Metro Line 3
    Santiago Metro Line 3 is a major rapid transit line in the Santiago, Chile metro system that connects key central and outlying districts to improve urban mobility.
  • C. Santiago Metro Line 2
    Santiago Metro Line 2 is one of the main rapid transit lines in Santiago, Chile, running in a generally north–south direction and serving key residential and commercial areas of the city.
  • D. Line 4 (Santiago Metro) chosen
    Line 4 of the Santiago Metro is a major rapid transit line in Santiago, Chile, serving key residential and commercial areas in the southeastern part of the city.
  • E. Santiago Metro
    Santiago Metro is the rapid transit system serving Chile's capital, known as one of Latin America’s largest and most extensive urban rail networks.
  • 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_69ca82af2d2c8190963861f5e0b8bf21 elicitation completed
NER batch_69cadf22d9b4819081b877c751204a22 ner completed
NED1 batch_69cb139059a08190a8a4df25ee09756b ned_source_triple completed
Created at: March 30, 2026, 4:23 p.m.