Triple

T5553225
Position Surface form Disambiguated ID Type / Status
Subject 湘南新宿ライン E145575 entity
Predicate 使用車両系列 P12443 FINISHED
Object E231系電車 E125107 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: E231系電車 | Statement: [湘南新宿ライン, 使用車両系列, E231系電車]

Disambiguation candidates (2 decisions)

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: E231系電車
Context triple: [湘南新宿ライン, 使用車両系列, E231系電車]
  • A. E231 series EMU chosen
    The E231 series EMU is a widely used Japanese commuter train type operated by JR East, known for its high-capacity, rapid-transit service in the Greater Tokyo area.
  • B. E233 series EMU
    The E233 series EMU is a modern Japanese commuter train type operated by JR East, known for its high capacity, reliability, and widespread use on busy urban and suburban lines around Tokyo.
  • C. E235 series EMU
    The E235 series EMU is a modern Japanese commuter train operated by JR East, notable for its advanced onboard information systems, energy-efficient design, and use on busy urban lines in the Tokyo area.
  • D. JR West 223 series EMU
    The JR West 223 series EMU is a Japanese electric multiple unit train used for high-frequency suburban and rapid services in the Kansai region.
  • E. JR West 225 series EMU
    The JR West 225 series EMU is a modern Japanese electric multiple unit train designed for high-speed, high-frequency commuter and suburban services with enhanced safety and passenger comfort features.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
PD Predicate disambiguation gpt-5-mini-2025-08-07 
Target predicate: 使用車両系列
Context triple: [湘南新宿ライン, 使用車両系列, E231系電車]
  • A. vehicleUsed chosen
    Indicates that a particular vehicle is utilized or employed in performing an action, event, or activity.
  • B. intendedVehicle
    Indicates that one entity is the vehicle that another entity plans or is meant to use.
  • C. vehicleName
    Indicates the specific name or designation assigned to a vehicle.
  • D. hasModelSeries
    Indicates a relationship where an item or product is associated with a specific model series it belongs to.
  • E. vehicleType
    Indicates the specific kind or category of vehicle associated with an entity (e.g., car, bus, bicycle).
  • F. None of above.

Provenance (4 batches)

Stage Batch ID Job type Status
creating batch_69c008fb879c81909f5bfa56fadc1d46 elicitation completed
NER batch_69c01ff9c9c48190b5e587d58c6515d8 ner completed
NED1 batch_69c04cfc6f808190a39c607f61dcfa32 ned_source_triple completed
PD batch_69c01b10bbf8819098655839c03b7832 pd completed
Created at: March 22, 2026, 3:35 p.m.