Triple

T11998299
Position Surface form Disambiguated ID Type / Status
Subject Downtown Core E285585 entity
Predicate containsTransportInfrastructure P2413 FINISHED
Object Downtown MRT station
Downtown MRT station is an underground Mass Rapid Transit station on Singapore’s Downtown Line serving the Downtown Core financial and commercial district.
 E960973 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: Downtown MRT station | Statement: [Downtown Core, containsTransportInfrastructure, Downtown MRT station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Downtown MRT station
Context triple: [Downtown Core, containsTransportInfrastructure, Downtown MRT station]
  • A. City Hall MRT station
    City Hall MRT station is a major underground Mass Rapid Transit interchange in downtown Singapore, serving as a key node for commuters accessing the Civic District and surrounding commercial areas.
  • B. Bras Basah MRT station
    Bras Basah MRT station is an underground Mass Rapid Transit station in Singapore’s Downtown Core, serving the Circle Line near the civic and arts district.
  • C. Dhoby Ghaut MRT station
    Dhoby Ghaut MRT station is a major underground interchange in Singapore’s Mass Rapid Transit network, linking multiple lines and serving the busy Orchard Road and Civic District area.
  • D. Tuas MRT station
    Tuas MRT station is a Mass Rapid Transit station in Singapore that serves the industrial area of Tuas at the western end of the East West Line.
  • E. 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.
  • 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: Downtown MRT station
Triple: [Downtown Core, containsTransportInfrastructure, Downtown MRT station]
Generated description
Downtown MRT station is an underground Mass Rapid Transit station on Singapore’s Downtown Line serving the Downtown Core financial and commercial district.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Downtown MRT station
Target entity description: Downtown MRT station is an underground Mass Rapid Transit station on Singapore’s Downtown Line serving the Downtown Core financial and commercial district.
  • A. City Hall MRT station
    City Hall MRT station is a major underground Mass Rapid Transit interchange in downtown Singapore, serving as a key node for commuters accessing the Civic District and surrounding commercial areas.
  • B. Bras Basah MRT station
    Bras Basah MRT station is an underground Mass Rapid Transit station in Singapore’s Downtown Core, serving the Circle Line near the civic and arts district.
  • C. Dhoby Ghaut MRT station
    Dhoby Ghaut MRT station is a major underground interchange in Singapore’s Mass Rapid Transit network, linking multiple lines and serving the busy Orchard Road and Civic District area.
  • D. Tuas MRT station
    Tuas MRT station is a Mass Rapid Transit station in Singapore that serves the industrial area of Tuas at the western end of the East West Line.
  • E. 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.
  • 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_69d6ab44a77c8190a652f4b27164e4ef completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d903c172788190b92042e9d10a48bf completed April 10, 2026, 2:05 p.m.
NED1 Entity disambiguation (via context triple) batch_69f49d183ee881908f1c0ca4562344a9 completed May 1, 2026, 12:31 p.m.
NEDg Description generation batch_69f53d8ec5448190b303624887f7fa05 completed May 1, 2026, 11:56 p.m.
NED2 Entity disambiguation (via description) batch_69f56495830c8190ad5e1767f251b4c5 completed May 2, 2026, 2:42 a.m.
Created at: April 8, 2026, 9:46 p.m.