Triple

T17287280
Position Surface form Disambiguated ID Type / Status
Subject EMD F40PH E419690 entity
Predicate operator P179 FINISHED
Object Coaster (San Diego) E200496 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: Coaster (San Diego) | Statement: [EMD F40PH, operator, Coaster (San Diego)]

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: Coaster (San Diego)
Context triple: [EMD F40PH, operator, Coaster (San Diego)]
  • A. Coaster (San Diego) chosen
    Coaster (San Diego) is a commuter rail service in San Diego County, California, providing passenger train connections along the coastal corridor between Oceanside and downtown San Diego.
  • B. Six Flags Magic Mountain
    Six Flags Magic Mountain is a major Southern California theme park renowned for its large collection of high-thrill roller coasters and record-breaking rides.
  • C. Roar (Six Flags Discovery Kingdom)
    Roar (Six Flags Discovery Kingdom) is a wooden roller coaster at Six Flags Discovery Kingdom in Vallejo, California, known for its twisting layout and high-speed, airtime-filled ride experience.
  • D. Santa Cruz Beach Boardwalk amusement park
    Santa Cruz Beach Boardwalk amusement park is a historic oceanfront amusement park in Santa Cruz, California, known for its classic rides, including a vintage wooden roller coaster, and its lively seaside attractions.
  • E. Roadrunner Park
    Roadrunner Park is a public recreational park in Phoenix, Arizona, featuring open green spaces, sports facilities, and family-friendly amenities.
  • 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_69d886db32608190a61e18862c5a8af6 elicitation completed
NER batch_69e43780fad88190b82193c8335e2f11 ner completed
NED1 batch_6a017957c738819087341bcd51b55114 ned_source_triple completed
Created at: April 10, 2026, 5:40 a.m.