Triple

T6815888
Position Surface form Disambiguated ID Type / Status
Subject Concord E156750 entity
Predicate hasBARTStation P726 FINISHED
Object North Concord/Martinez station E442221 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: North Concord/Martinez station | Statement: [Concord, hasBARTStation, North Concord/Martinez station]

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: North Concord/Martinez station
Context triple: [Concord, hasBARTStation, North Concord/Martinez station]
  • A. North Concord/Martinez station chosen
    North Concord/Martinez station is a Bay Area Rapid Transit (BART) station in Concord, California, serving the North Concord and Martinez areas along the Antioch–SFO/Millbrae line.
  • B. Meadow Woods station
    Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
  • C. West Concord station
    West Concord station is a commuter rail stop in West Concord, Massachusetts, serving passengers on regional rail services into the Greater Boston area.
  • D. Elmhurst station
    Elmhurst station is a commuter rail stop in Elmhurst, Illinois, on Metra's Union Pacific West Line serving passengers traveling between the western suburbs and downtown Chicago.
  • E. East/West Boulevard station
    East/West Boulevard station is a light rail stop on Charlotte’s LYNX Blue Line serving the South End neighborhood with access to nearby shops, restaurants, and residential areas.
  • 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_69c68828b26c819090fe9df7612bbc27 elicitation completed
NER batch_69c6d32dc19c8190a871cc1ff1471a58 ner completed
NED1 batch_69c723dd82048190969754b388a76913 ned_source_triple completed
Created at: March 27, 2026, 2:17 p.m.