Triple

T22118300
Position Surface form Disambiguated ID Type / Status
Subject City Hall MRT station E546596 entity
Predicate interchangeForLine P42836 FINISHED
Object East West Line
The East West Line is one of Singapore's major Mass Rapid Transit (MRT) lines, running across the island to connect key residential, commercial, and industrial areas.
E1519494 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: East West Line | Statement: [City Hall MRT station, interchangeForLine, East West Line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: East West Line
Context triple: [City Hall MRT station, interchangeForLine, East West Line]
  • A. MTR Tseung Kwan O Line
    The MTR Tseung Kwan O Line is a rapid transit line of Hong Kong’s Mass Transit Railway system that connects urban Kowloon with the Tseung Kwan O New Town in the New Territories.
  • B. MTR Kwun Tong line
    The MTR Kwun Tong line is one of Hong Kong’s main urban metro lines, running through densely populated Kowloon districts and serving as a key commuter corridor in the city’s rapid transit network.
  • C. MTR East Rail line
    The MTR East Rail line is a major commuter railway in Hong Kong that runs through the New Territories and into urban Kowloon, forming part of the city’s heavy rail rapid transit network.
  • D. MTR Tsuen Wan Line
    The MTR Tsuen Wan Line is one of Hong Kong’s primary urban metro lines, running through key commercial and residential districts from Central Kowloon to the New Territories.
  • E. West Rail Line
    The West Rail Line was a major commuter railway line in Hong Kong’s MTR network, serving the northwestern New Territories and connecting residential districts to urban Kowloon.
  • 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: East West Line
Triple: [City Hall MRT station, interchangeForLine, East West Line]
Generated description
The East West Line is one of Singapore's major Mass Rapid Transit (MRT) lines, running across the island to connect key residential, commercial, and industrial areas.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: East West Line
Target entity description: The East West Line is one of Singapore's major Mass Rapid Transit (MRT) lines, running across the island to connect key residential, commercial, and industrial areas.
  • A. MTR Tseung Kwan O Line
    The MTR Tseung Kwan O Line is a rapid transit line of Hong Kong’s Mass Transit Railway system that connects urban Kowloon with the Tseung Kwan O New Town in the New Territories.
  • B. MTR Kwun Tong line
    The MTR Kwun Tong line is one of Hong Kong’s main urban metro lines, running through densely populated Kowloon districts and serving as a key commuter corridor in the city’s rapid transit network.
  • C. MTR East Rail line
    The MTR East Rail line is a major commuter railway in Hong Kong that runs through the New Territories and into urban Kowloon, forming part of the city’s heavy rail rapid transit network.
  • D. MTR Tsuen Wan Line
    The MTR Tsuen Wan Line is one of Hong Kong’s primary urban metro lines, running through key commercial and residential districts from Central Kowloon to the New Territories.
  • E. West Rail Line
    The West Rail Line was a major commuter railway line in Hong Kong’s MTR network, serving the northwestern New Territories and connecting residential districts to urban Kowloon.
  • 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_69e11e38b3848190ac3a4fa97d56e65a completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f1294fcf2c81909b610e03a0f1921f completed April 28, 2026, 9:40 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a8f1d3ba081909e9ba0fd165449a5 completed May 18, 2026, 4:01 a.m.
NEDg Description generation batch_6a0a910348ac81909a2b3f5662971e2e completed May 18, 2026, 4:09 a.m.
NED2 Entity disambiguation (via description) batch_6a0a91867738819092e49aa8a74cc20b completed May 18, 2026, 4:11 a.m.
Created at: April 16, 2026, 8:31 p.m.