Triple

T7105701
Position Surface form Disambiguated ID Type / Status
Subject Mondawmin station E165575 entity
Predicate servesLine P839 FINISHED
Object Metro SubwayLink main line E111014 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: Metro SubwayLink main line | Statement: [Mondawmin station, servesLine, Metro SubwayLink main line]

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: Metro SubwayLink main line
Context triple: [Mondawmin station, servesLine, Metro SubwayLink main line]
  • A. Metro SubwayLink chosen
    Metro SubwayLink is Baltimore’s rapid transit subway system, providing high-frequency rail service across key corridors in the Baltimore metropolitan area.
  • B. Metro Line
    The Metro Line is a light rail transit route in Edmonton, Alberta, serving key destinations such as the city’s downtown and major educational and health institutions.
  • C. Metro Line 1 (Millennium Underground)
    Metro Line 1, also known as the Millennium Underground, is Budapest’s historic metro line and one of the oldest electrified underground railway lines in continental Europe, renowned for its heritage status and distinctive yellow trains.
  • D. Metro Rail
    Metro Rail is the urban rapid transit rail system serving Los Angeles County, providing light rail and subway services across the region.
  • E. Metropolitan line
    The Metropolitan line is one of the oldest lines of the London Underground, running from central London into the northwestern suburbs and beyond.
  • 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_69c6888120f081908f8f01b201dc4a4c elicitation completed
NER batch_69c6e5b892008190827fa1e5eab2e558 ner completed
NED1 batch_69c7ad83aa288190b06262ac9898f5c1 ned_source_triple completed
Created at: March 27, 2026, 2:42 p.m.