Triple

T14060975
Position Surface form Disambiguated ID Type / Status
Subject MTR Corporation E338342 entity
Predicate operates P24 FINISHED
Object MTR Bus services
MTR Bus services is a network of feeder and supplementary bus routes in Hong Kong that connect outlying areas to the MTR railway system, operated by the MTR Corporation.
E1077958 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: MTR Bus services | Statement: [MTR Corporation, operates, MTR Bus services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: MTR Bus services
Context triple: [MTR Corporation, operates, MTR Bus services]
  • A. MTR Light Rail
    MTR Light Rail is a local light rail transit system in Hong Kong’s northwestern New Territories, providing frequent, short-distance services that connect residential areas with major MTR heavy rail lines.
  • B. MTR urban lines
    MTR urban lines are a network of rapid transit railway services forming the core of Hong Kong’s mass transit system, particularly serving dense urban areas such as Kowloon.
  • C. MTR Tuen Ma line
    The MTR Tuen Ma line is a major heavy-rail metro line in Hong Kong that runs across the New Territories and Kowloon, connecting eastern and western districts through key residential and commercial areas.
  • D. Hong Kong Mass Transit Railway
    Hong Kong Mass Transit Railway is Hong Kong’s extensive rapid transit network, known for its high efficiency, reliability, and integration with the city’s urban development.
  • E. MTR
    MTR is the station code for Matara railway station, a key terminus on Sri Lanka’s coastal railway line.
  • 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: MTR Bus services
Triple: [MTR Corporation, operates, MTR Bus services]
Generated description
MTR Bus services is a network of feeder and supplementary bus routes in Hong Kong that connect outlying areas to the MTR railway system, operated by the MTR Corporation.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: MTR Bus services
Target entity description: MTR Bus services is a network of feeder and supplementary bus routes in Hong Kong that connect outlying areas to the MTR railway system, operated by the MTR Corporation.
  • A. MTR Light Rail
    MTR Light Rail is a local light rail transit system in Hong Kong’s northwestern New Territories, providing frequent, short-distance services that connect residential areas with major MTR heavy rail lines.
  • B. MTR urban lines
    MTR urban lines are a network of rapid transit railway services forming the core of Hong Kong’s mass transit system, particularly serving dense urban areas such as Kowloon.
  • C. MTR Tuen Ma line
    The MTR Tuen Ma line is a major heavy-rail metro line in Hong Kong that runs across the New Territories and Kowloon, connecting eastern and western districts through key residential and commercial areas.
  • D. Hong Kong Mass Transit Railway
    Hong Kong Mass Transit Railway is Hong Kong’s extensive rapid transit network, known for its high efficiency, reliability, and integration with the city’s urban development.
  • E. MTR
    MTR is the station code for Matara railway station, a key terminus on Sri Lanka’s coastal railway line.
  • 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_69d81c67ba6c819091935650dfb3b895 completed April 9, 2026, 9:38 p.m.
NER Named-entity recognition batch_69de5686f51c81908c33143ecbaae83d completed April 14, 2026, 3 p.m.
NED1 Entity disambiguation (via context triple) batch_69fcb6654850819083262f3fb981eb1a completed May 7, 2026, 3:57 p.m.
NEDg Description generation batch_69fcc4fa09448190b662af829712e657 completed May 7, 2026, 4:59 p.m.
NED2 Entity disambiguation (via description) batch_69fcc5d162c081908750fed589ed2d69 completed May 7, 2026, 5:03 p.m.
Created at: April 9, 2026, 10:21 p.m.