Triple

T6963422
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 700 E161427 entity
Predicate usedOnLine P15252 FINISHED
Object Bedford–St Pancras–Gatwick Airport route
The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
E630560 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: Bedford–St Pancras–Gatwick Airport route | Statement: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bedford–St Pancras–Gatwick Airport route
Context triple: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
  • A. Reading–Gatwick Airport route
    The Reading–Gatwick Airport route is a regional rail service in South East England that links Reading with Gatwick Airport via intermediate stations such as Reigate.
  • B. London–Bristol route
    The London–Bristol route is a major intercity rail corridor in England linking the capital with the city of Bristol and serving as a key artery for passenger and freight traffic in the west of the country.
  • C. A3 London–Portsmouth route
    The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
  • D. Stansted Airport branch line
    The Stansted Airport branch line is a railway spur in Essex, England, providing direct rail access between London (via the West Anglia route) and London Stansted Airport.
  • E. London North Western route
    The London North Western route was a key railway network in England operated by the London and North Western Railway, linking major industrial and commercial centers across the country.
  • 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: Bedford–St Pancras–Gatwick Airport route
Triple: [British Rail Class 700, usedOnLine, Bedford–St Pancras–Gatwick Airport route]
Generated description
The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bedford–St Pancras–Gatwick Airport route
Target entity description: The Bedford–St Pancras–Gatwick Airport route is a key north–south commuter and airport rail service in southern England, linking Bedford through central London to Gatwick Airport as part of the Thameslink network.
  • A. Reading–Gatwick Airport route
    The Reading–Gatwick Airport route is a regional rail service in South East England that links Reading with Gatwick Airport via intermediate stations such as Reigate.
  • B. London–Bristol route
    The London–Bristol route is a major intercity rail corridor in England linking the capital with the city of Bristol and serving as a key artery for passenger and freight traffic in the west of the country.
  • C. A3 London–Portsmouth route
    The A3 London–Portsmouth route is a major trunk road in southern England linking the capital with the port city of Portsmouth.
  • D. Stansted Airport branch line
    The Stansted Airport branch line is a railway spur in Essex, England, providing direct rail access between London (via the West Anglia route) and London Stansted Airport.
  • E. London North Western route
    The London North Western route was a key railway network in England operated by the London and North Western Railway, linking major industrial and commercial centers across the country.
  • 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_69c68853cff881908439d488924a8283 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daf197b0819085bd0433c8a7f716 completed March 27, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69c758a0e5bc819098206940fc3ac623 completed March 28, 2026, 4:27 a.m.
NEDg Description generation batch_69c759553fe081909881c8d2ae680dfe completed March 28, 2026, 4:30 a.m.
NED2 Entity disambiguation (via description) batch_69c759c79de48190bd3e079c07a9158a completed March 28, 2026, 4:32 a.m.
Created at: March 27, 2026, 2:30 p.m.