Triple

T23222206
Position Surface form Disambiguated ID Type / Status
Subject Rochor E580923 entity
Predicate containsMRTStation P39430 FINISHED
Object Rochor MRT station
Rochor MRT station is an underground Mass Rapid Transit station in Singapore serving the Downtown Line near the Bugis and Little India areas.
E1572703 NE FINISHED

How this triple was built (5 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: Rochor MRT station | Statement: [Rochor, containsMRTStation, Rochor MRT station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Rochor MRT station
Context triple: [Rochor, containsMRTStation, Rochor MRT station]
  • A. Ximen MRT Station
    Ximen MRT Station is a major Taipei Metro interchange and busy commercial hub serving the Ximending shopping and entertainment area in Taipei, Taiwan.
  • B. Marsiling MRT station
    Marsiling MRT station is an above-ground Mass Rapid Transit station on Singapore’s North South Line serving the residential town of Woodlands.
  • C. HarbourFront MRT station
    HarbourFront MRT station is a major Mass Rapid Transit interchange in Singapore serving the HarbourFront and VivoCity area, and acting as a key gateway to Sentosa Island.
  • D. Tuas Crescent MRT station
    Tuas Crescent MRT station is an elevated Mass Rapid Transit station on Singapore’s East West Line that serves the industrial Tuas area in the far west of the island.
  • E. Kent Ridge MRT station
    Kent Ridge MRT station is an underground Mass Rapid Transit station in Singapore serving the Kent Ridge area, including the National University of Singapore and nearby research and medical facilities.
  • 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: Rochor MRT station
Triple: [Rochor, containsMRTStation, Rochor MRT station]
Generated description
Rochor MRT station is an underground Mass Rapid Transit station in Singapore serving the Downtown Line near the Bugis and Little India areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Rochor MRT station
Target entity description: Rochor MRT station is an underground Mass Rapid Transit station in Singapore serving the Downtown Line near the Bugis and Little India areas.
  • A. Ximen MRT Station
    Ximen MRT Station is a major Taipei Metro interchange and busy commercial hub serving the Ximending shopping and entertainment area in Taipei, Taiwan.
  • B. Marsiling MRT station
    Marsiling MRT station is an above-ground Mass Rapid Transit station on Singapore’s North South Line serving the residential town of Woodlands.
  • C. HarbourFront MRT station
    HarbourFront MRT station is a major Mass Rapid Transit interchange in Singapore serving the HarbourFront and VivoCity area, and acting as a key gateway to Sentosa Island.
  • D. Tuas Crescent MRT station
    Tuas Crescent MRT station is an elevated Mass Rapid Transit station on Singapore’s East West Line that serves the industrial Tuas area in the far west of the island.
  • E. Kent Ridge MRT station
    Kent Ridge MRT station is an underground Mass Rapid Transit station in Singapore serving the Kent Ridge area, including the National University of Singapore and nearby research and medical facilities.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: containsMRTStation
Context triple: [Rochor, containsMRTStation, Rochor MRT station]
  • A. hasStationAt
    Indicates that an entity maintains or operates a station located at a specified place.
  • B. hasRailStation
    Indicates that one entity possesses, contains, or is served by a rail station.
  • C. hasInterchangeStationWith
    Indicates that two transportation lines, routes, or systems share a station where passengers can transfer between them.
  • D. hasMetroStations chosen
    Indicates that a place or area is served by one or more metro (subway) stations.
  • E. hasMetroTerminus
    Indicates that one location serves as the terminal (end) station of a metro line for another location.
  • F. None of above.

Provenance (6 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_69e246043c48819089bae72c9a9c306c completed April 17, 2026, 2:39 p.m.
NER Named-entity recognition batch_69f1922a452c81909b48df157643f6bd completed April 29, 2026, 5:07 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c30ce65b48190a621f67a75b84fea completed May 19, 2026, 9:43 a.m.
NEDg Description generation batch_6a0c31b2a8cc81908bc31ce4bdccdd71 completed May 19, 2026, 9:47 a.m.
NED2 Entity disambiguation (via description) batch_6a0c3245c9808190ab5212a14aa2e42e completed May 19, 2026, 9:49 a.m.
PD Predicate disambiguation batch_69effcccee508190a7ae311fdd319806 completed April 28, 2026, 12:18 a.m.
Created at: April 17, 2026, 4:08 p.m.