Triple

T18571929
Position Surface form Disambiguated ID Type / Status
Subject Dhoby Ghaut MRT station E453894 entity
Predicate operator P179 FINISHED
Object SBS Transit 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: SBS Transit | Statement: [Dhoby Ghaut MRT station, operator, SBS Transit]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SBS Transit
Context triple: [Dhoby Ghaut MRT station, operator, SBS Transit]
  • A. Mass Rapid Transit Corporation
    Mass Rapid Transit Corporation is a Malaysian government-owned company responsible for developing and overseeing major urban rail transit projects in the country.
  • B. KTM East Coast Line
    The KTM East Coast Line is a major Malaysian railway route operated by Keretapi Tanah Melayu (KTM), running along the country’s east coast and serving numerous rural and regional communities.
  • C. Transit Services Bureau
    Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
  • D. Klang Valley Integrated Transit System
    The Klang Valley Integrated Transit System is a comprehensive public transportation network in Malaysia’s Klang Valley region that links multiple rail and bus services into a unified, interoperable system for urban commuters.
  • E. 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.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SBS Transit
Target entity description: SBS Transit is a major public transport operator in Singapore, running extensive bus and rail services including several Mass Rapid Transit (MRT) and Light Rail Transit (LRT) lines.
  • A. Mass Rapid Transit Corporation
    Mass Rapid Transit Corporation is a Malaysian government-owned company responsible for developing and overseeing major urban rail transit projects in the country.
  • B. KTM East Coast Line
    The KTM East Coast Line is a major Malaysian railway route operated by Keretapi Tanah Melayu (KTM), running along the country’s east coast and serving numerous rural and regional communities.
  • C. Transit Services Bureau
    Transit Services Bureau is a specialized division of the Los Angeles County Sheriff's Department responsible for providing law enforcement and security services on the county’s public transit systems.
  • D. Klang Valley Integrated Transit System
    The Klang Valley Integrated Transit System is a comprehensive public transportation network in Malaysia’s Klang Valley region that links multiple rail and bus services into a unified, interoperable system for urban commuters.
  • E. 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.
  • F. None of above. chosen

Provenance (2 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_69d8d38974308190a9174430ef256b73 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e53b032488819098de683bb5c42c4b completed April 19, 2026, 8:28 p.m.
Created at: April 10, 2026, 11:43 a.m.