Triple

T22475389
Position Surface form Disambiguated ID Type / Status
Subject Clarke Quay MRT station E555614 entity
Predicate isInTunnelSectionOfLine P145062 FINISHED
Object North East Line NE NERFINISHED

How this triple was built (3 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: North East Line | Statement: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: North East Line
Context triple: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
  • A. North East Line chosen
    The North East Line is a major fully underground Mass Rapid Transit line in Singapore that runs from HarbourFront in the south to Punggol in the northeast, connecting key residential and commercial areas.
  • B. East–West Line
    The East–West Line was the original name for what is now MARTA’s Blue Line, a major rapid transit route serving the Atlanta metropolitan area.
  • C. East–West Line
    The East–West Line is a major rapid transit line in Singapore’s MRT system that runs across the island from east to west, connecting key residential, commercial, and industrial areas.
  • D. North South Line
    The North South Line is one of Singapore’s main Mass Rapid Transit (MRT) lines, running in a generally north–south direction and connecting key residential towns like Woodlands with the city centre.
  • E. North–South Line
    The North–South Line is a major Amsterdam Metro route that runs largely underground, connecting the city’s northern districts with the center and the south.
  • 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: isInTunnelSectionOfLine
Context triple: [Clarke Quay MRT station, isInTunnelSectionOfLine, North East Line]
  • A. isInTunnelSystem
    Indicates that one entity is located within or forms part of a tunnel system associated with another entity.
  • B. hasTunnelSections
    Indicates that an entity includes or is composed of multiple distinct tunnel segments or portions.
  • C. isBetweenStationsOnLine
    Indicates that something is located or occurs between two stations along the same transit line.
  • D. isOnBranchOfLine
    Indicates that something is located on or belongs to a specific branch of a larger line or route.
  • E. identifiesStationWithinLine chosen
    Indicates that a specific station is recognized as belonging to, or located within, a particular transit line.
  • F. None of above.

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_69e11e52c2048190952dc5df209b9bed completed April 16, 2026, 5:37 p.m.
NER Named-entity recognition batch_69f15be3930c8190ba967196df7e083f completed April 29, 2026, 1:16 a.m.
PD Predicate disambiguation batch_69e898b6eee08190ba673a0ee329e671 completed April 22, 2026, 9:45 a.m.
Created at: April 16, 2026, 8:49 p.m.