Triple

T12440842
Position Surface form Disambiguated ID Type / Status
Subject Chatuchak Park MRT Station E297264 entity
Predicate operator P179 FINISHED
Object Bangkok Expressway and Metro Public Company Limited E300203 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: Bangkok Expressway and Metro Public Company Limited | Statement: [Chatuchak Park MRT Station, operator, Bangkok Expressway and Metro Public Company Limited]

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: Bangkok Expressway and Metro Public Company Limited
Context triple: [Chatuchak Park MRT Station, operator, Bangkok Expressway and Metro Public Company Limited]
  • A. Bangkok Expressway and Metro Public Company Limited chosen
    Bangkok Expressway and Metro Public Company Limited is a major Thai infrastructure company that develops and operates urban rail transit and expressway systems in Bangkok.
  • B. Bangkok Mass Transit System Public Company Limited
    Bangkok Mass Transit System Public Company Limited is the company responsible for operating Bangkok’s BTS Skytrain rapid transit network.
  • C. Expressway Authority of Thailand
    The Expressway Authority of Thailand is a state enterprise responsible for developing, operating, and maintaining major expressways and related infrastructure across Thailand.
  • D. Mass Rapid Transit Authority of Thailand
    The Mass Rapid Transit Authority of Thailand is a state enterprise responsible for developing, operating, and overseeing urban rail transit systems in Thailand, particularly in Bangkok.
  • E. Metropolitan Expressway Company Limited
    Metropolitan Expressway Company Limited is the public–private company responsible for managing, maintaining, and operating Tokyo’s urban expressway network.
  • 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_69d6ada166c48190b902972cd2408fa3 elicitation completed
NER batch_69d94d8ecb6c8190a19cbf9de31cabbd ner completed
NED1 batch_69f6556839908190ac0401d373ad0fa9 ned_source_triple completed
Created at: April 8, 2026, 9:55 p.m.