Triple

T12649806
Position Surface form Disambiguated ID Type / Status
Subject MRT Purple Line E302126 entity
Predicate operator P179 FINISHED
Object Bangkok Expressway and Metro Public Company Limited E300203 NE FINISHED

How this triple was built (2 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
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: [MRT Purple Line, operator, Bangkok Expressway and Metro Public Company Limited]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Bangkok Expressway and Metro Public Company Limited
Context triple: [MRT Purple Line, 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. Bangkok Mass Transit Authority
    The Bangkok Mass Transit Authority is the state-run agency responsible for operating and managing most of the public bus services in Bangkok and surrounding areas.
  • D. 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.
  • E. 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.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d7bdec9f9c8190b4bac675b7588211 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d9615cf6f48190bd0983cf7465ab15 completed April 10, 2026, 8:45 p.m.
NED1 Entity disambiguation (via context triple) batch_69f72658fa6c81909b9785d710c418e0 completed May 3, 2026, 10:41 a.m.
Created at: April 9, 2026, 5:18 p.m.