Triple

T2786654
Position Surface form Disambiguated ID Type / Status
Subject MRT subway E61825 entity
Predicate hasLine P35 FINISHED
Object MRT Brown Line
The MRT Brown Line is a mass rapid transit route in Singapore that serves as part of the city’s urban subway network.
 E309030 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: MRT Brown Line | Statement: [MRT subway, hasLine, MRT Brown Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: MRT Brown Line
Context triple: [MRT subway, hasLine, MRT Brown Line]
  • A. MRT Blue Line
    The MRT Blue Line is a major rapid transit route in Bangkok’s Metropolitan Rapid Transit system, serving as one of the city’s primary underground and elevated rail corridors.
  • B. MRT Yellow Line
    MRT Yellow Line is a mass rapid transit route typically designated by the color yellow, serving as one of the lines in an urban MRT subway network.
  • C. MRT Orange Line
    The MRT Orange Line is a rapid transit route in Bangkok’s Mass Rapid Transit system designed to connect key eastern and western parts of the city.
  • D. MRT Pink Line
    The MRT Pink Line is a mass rapid transit route in Bangkok’s elevated monorail network, serving suburban areas in the city’s northern and eastern corridors.
  • E. MRT Purple Line
    The MRT Purple Line is a mass rapid transit route in Bangkok, Thailand, serving as one of the city's key urban rail corridors.
  • 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: MRT Brown Line
Triple: [MRT subway, hasLine, MRT Brown Line]
Generated description
The MRT Brown Line is a mass rapid transit route in Singapore that serves as part of the city’s urban subway network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: MRT Brown Line
Target entity description: The MRT Brown Line is a mass rapid transit route in Singapore that serves as part of the city’s urban subway network.
  • A. MRT Blue Line
    The MRT Blue Line is a major rapid transit route in Bangkok’s Metropolitan Rapid Transit system, serving as one of the city’s primary underground and elevated rail corridors.
  • B. MRT Yellow Line
    MRT Yellow Line is a mass rapid transit route typically designated by the color yellow, serving as one of the lines in an urban MRT subway network.
  • C. MRT Orange Line
    The MRT Orange Line is a rapid transit route in Bangkok’s Mass Rapid Transit system designed to connect key eastern and western parts of the city.
  • D. MRT Pink Line
    The MRT Pink Line is a mass rapid transit route in Bangkok’s elevated monorail network, serving suburban areas in the city’s northern and eastern corridors.
  • E. MRT Purple Line
    The MRT Purple Line is a mass rapid transit route in Bangkok, Thailand, serving as one of the city's key urban rail corridors.
  • 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_69b055cd4e1c8190a2eb97e648aa0080 completed March 10, 2026, 5:33 p.m.
NEDg Description generation batch_69b05eeb3ccc81908b3af4ad99ee2bd4 completed March 10, 2026, 6:11 p.m.
NED2 Entity disambiguation (via description) batch_69b061084ec48190b347a5d2474b70fe completed March 10, 2026, 6:20 p.m.
Created at: March 6, 2026, 9:57 p.m.