Triple

T687747
Position Surface form Disambiguated ID Type / Status
Subject Gatwick Airport E13320 entity
Predicate railService P522 FINISHED
Object Gatwick Express
Gatwick Express is a non-stop train service in the United Kingdom that connects central London with Gatwick Airport.
E86229 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: Gatwick Express | Statement: [Gatwick Airport, railService, Gatwick Express]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Gatwick Express
Context triple: [Gatwick Airport, railService, Gatwick Express]
  • A. Heathrow Express
    Heathrow Express is a non-stop high-speed train service linking London Paddington station with Heathrow Airport, providing one of the fastest rail connections between central London and the airport.
  • B. Greater Anglia
    Greater Anglia is a British train operating company that provides passenger rail services across East Anglia and parts of London and the East of England.
  • C. London Overground
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • D. Thameslink
    Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
  • E. Capital Airport Express
    Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
  • 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: Gatwick Express
Triple: [Gatwick Airport, railService, Gatwick Express]
Generated description
Gatwick Express is a non-stop train service in the United Kingdom that connects central London with Gatwick Airport.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Gatwick Express
Target entity description: Gatwick Express is a non-stop train service in the United Kingdom that connects central London with Gatwick Airport.
  • A. Heathrow Express
    Heathrow Express is a non-stop high-speed train service linking London Paddington station with Heathrow Airport, providing one of the fastest rail connections between central London and the airport.
  • B. Greater Anglia
    Greater Anglia is a British train operating company that provides passenger rail services across East Anglia and parts of London and the East of England.
  • C. London Overground
    London Overground is a suburban rail network in London that connects outer districts and some central hubs using a mix of newly built and former National Rail lines, integrated into the city’s public transport system.
  • D. Thameslink
    Thameslink is a major British rail network providing cross-London services that connect destinations across the South East of England.
  • E. Capital Airport Express
    Capital Airport Express is a dedicated rapid transit line in the Beijing Subway system that connects central Beijing with Beijing Capital International Airport.
  • 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_69a4933e0f98819097d22766c49b61b8 completed March 1, 2026, 7:27 p.m.
NER Named-entity recognition batch_69a4a0953fb481909e1d4177ee191351 completed March 1, 2026, 8:24 p.m.
NED1 Entity disambiguation (via context triple) batch_69a6374ee9ac819091abef4167e3433e completed March 3, 2026, 1:20 a.m.
NEDg Description generation batch_69a639ae1efc8190ba546164d8279c28 completed March 3, 2026, 1:30 a.m.
NED2 Entity disambiguation (via description) batch_69a63a2eacc0819080a7056cc54a1264 completed March 3, 2026, 1:32 a.m.
Created at: March 1, 2026, 7:36 p.m.