Triple

T2786642
Position Surface form Disambiguated ID Type / Status
Subject MRT subway E61825 entity
Predicate operatedBy P86 FINISHED
Object Bangkok Expressway and Metro Public Company Limited
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.
E300203 NE FINISHED

How this triple was built (4 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 subway, operatedBy, 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 subway, operatedBy, Bangkok Expressway and Metro Public Company Limited]
  • A. State Railway of Thailand
    The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
  • B. Airports of Thailand PCL
    Airports of Thailand PCL is a state-controlled public company that manages and operates major international and domestic airports across Thailand.
  • C. Bangkok Metropolitan Administration
    The Bangkok Metropolitan Administration is the local government authority responsible for managing and providing public services for Thailand’s capital city.
  • D. BTS Skytrain
    The BTS Skytrain is an elevated rapid transit system that serves as one of Bangkok’s primary urban rail networks, helping alleviate traffic congestion and connect key commercial and residential areas across the city.
  • E. Tehran Urban and Suburban Railway and Bus Company
    Tehran Urban and Suburban Railway and Bus Company is the municipal public transport operator responsible for managing Tehran’s metro and bus systems, including the city’s Bus Rapid Transit network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Bangkok Expressway and Metro Public Company Limited
Triple: [MRT subway, operatedBy, Bangkok Expressway and Metro Public Company Limited]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bangkok Expressway and Metro Public Company Limited
Target entity description: 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.
  • A. State Railway of Thailand
    The State Railway of Thailand is the national state-owned rail operator responsible for managing and running most of Thailand’s railway services and infrastructure.
  • B. Suvarnabhumi Airport Rail Link
    Suvarnabhumi Airport Rail Link is a rapid transit line in Bangkok that provides fast rail service between Suvarnabhumi Airport and the city center.
  • C. Airports of Thailand PCL
    Airports of Thailand PCL is a state-controlled public company that manages and operates major international and domestic airports across Thailand.
  • D. Bangkok Metropolitan Administration
    The Bangkok Metropolitan Administration is the local government authority responsible for managing and providing public services for Thailand’s capital city.
  • E. Silom Line
    The Silom Line is one of Bangkok’s main BTS Skytrain routes, running through key commercial and business districts including Silom and Sathorn.
  • F. None of above. chosen

Provenance (5 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_69ab4b7f51d881908768300ebd2fbdae completed March 6, 2026, 9:47 p.m.
NER Named-entity recognition batch_69abddb0d3488190a3f2bf47ebb35802 completed March 7, 2026, 8:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69afc6526d0c81908df1710709cc5346 completed March 10, 2026, 7:20 a.m.
NEDg Description generation batch_69afc852c0988190bba816db0940139f completed March 10, 2026, 7:29 a.m.
NED2 Entity disambiguation (via description) batch_69afc8b333848190bf4bfbc31f9c5147 completed March 10, 2026, 7:30 a.m.
Created at: March 6, 2026, 9:57 p.m.