Triple

T12826541
Position Surface form Disambiguated ID Type / Status
Subject MTR Tseung Kwan O Line E306665 entity
Predicate hasDepot P2413 FINISHED
Object Tseung Kwan O Depot
Tseung Kwan O Depot is a major MTR railway maintenance and stabling facility serving Hong Kong’s Tseung Kwan O Line.
E1004837 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: Tseung Kwan O Depot | Statement: [MTR Tseung Kwan O Line, hasDepot, Tseung Kwan O Depot]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Tseung Kwan O Depot
Context triple: [MTR Tseung Kwan O Line, hasDepot, Tseung Kwan O Depot]
  • A. Siu Ho Wan Depot
    Siu Ho Wan Depot is a major MTR railway maintenance and stabling facility on Lantau Island in Hong Kong that serves multiple lines including the Airport Express.
  • B. Hung Hom Station
    Hung Hom Station is a major railway and MTR interchange in Kowloon, Hong Kong, serving as a key hub for local and cross-boundary train services.
  • C. Chai Wan Typhoon Shelter
    Chai Wan Typhoon Shelter is a protected harbor area on the eastern side of Hong Kong Island that provides safe anchorage for vessels during typhoons and rough weather.
  • D. MTR Tai Koo station
    MTR Tai Koo station is an underground Mass Transit Railway station on Hong Kong Island’s Island Line, serving the Tai Koo and Cityplaza commercial and residential area in Quarry Bay.
  • E. Kowloon station
    Kowloon station is a major Hong Kong railway hub on the Airport Express and Tung Chung lines, serving as a key interchange for airport transfers and urban transport.
  • 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: Tseung Kwan O Depot
Triple: [MTR Tseung Kwan O Line, hasDepot, Tseung Kwan O Depot]
Generated description
Tseung Kwan O Depot is a major MTR railway maintenance and stabling facility serving Hong Kong’s Tseung Kwan O Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Tseung Kwan O Depot
Target entity description: Tseung Kwan O Depot is a major MTR railway maintenance and stabling facility serving Hong Kong’s Tseung Kwan O Line.
  • A. Siu Ho Wan Depot
    Siu Ho Wan Depot is a major MTR railway maintenance and stabling facility on Lantau Island in Hong Kong that serves multiple lines including the Airport Express.
  • B. Hung Hom Station
    Hung Hom Station is a major railway and MTR interchange in Kowloon, Hong Kong, serving as a key hub for local and cross-boundary train services.
  • C. Chai Wan Typhoon Shelter
    Chai Wan Typhoon Shelter is a protected harbor area on the eastern side of Hong Kong Island that provides safe anchorage for vessels during typhoons and rough weather.
  • D. MTR Tai Koo station
    MTR Tai Koo station is an underground Mass Transit Railway station on Hong Kong Island’s Island Line, serving the Tai Koo and Cityplaza commercial and residential area in Quarry Bay.
  • E. Kowloon station
    Kowloon station is a major Hong Kong railway hub on the Airport Express and Tung Chung lines, serving as a key interchange for airport transfers and urban transport.
  • 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_69d7bdf52b94819096d6f0ba4ab50a98 completed April 9, 2026, 2:55 p.m.
NER Named-entity recognition batch_69d96fae51608190a50970bd038359a5 completed April 10, 2026, 9:46 p.m.
NED1 Entity disambiguation (via context triple) batch_69f68ed4f7388190ba989b8a79bd7c6d completed May 2, 2026, 11:55 p.m.
NEDg Description generation batch_69f691341d0081909ca3b281ee64b42b completed May 3, 2026, 12:05 a.m.
NED2 Entity disambiguation (via description) batch_69f69237394c8190832d6dae22434fdc completed May 3, 2026, 12:09 a.m.
Created at: April 9, 2026, 5:33 p.m.