Triple

T2429968
Position Surface form Disambiguated ID Type / Status
Subject London Northwestern Railway E52818 entity
Predicate operatesRoute P3695 FINISHED
Object London Euston – Crewe
London Euston – Crewe is a key intercity rail corridor in England linking central London with the town of Crewe via the West Coast Main Line.
 E264878 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: London Euston – Crewe | Statement: [London Northwestern Railway, operatesRoute, London Euston – Crewe]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: London Euston – Crewe
Context triple: [London Northwestern Railway, operatesRoute, London Euston – Crewe]
  • A. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • B. London Euston – Manchester
    London Euston – Manchester is a major intercity rail corridor in the United Kingdom linking the capital with the city of Manchester on the West Coast Main Line.
  • C. Liverpool–Crewe line
    The Liverpool–Crewe line is a key railway route in North West England linking the city of Liverpool with the major rail hub at Crewe, carrying both passenger and freight services.
  • D. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • E. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • 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: London Euston – Crewe
Triple: [London Northwestern Railway, operatesRoute, London Euston – Crewe]
Generated description
London Euston – Crewe is a key intercity rail corridor in England linking central London with the town of Crewe via the West Coast Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: London Euston – Crewe
Target entity description: London Euston – Crewe is a key intercity rail corridor in England linking central London with the town of Crewe via the West Coast Main Line.
  • A. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • B. London Euston – Manchester
    London Euston – Manchester is a major intercity rail corridor in the United Kingdom linking the capital with the city of Manchester on the West Coast Main Line.
  • C. Liverpool–Crewe line
    The Liverpool–Crewe line is a key railway route in North West England linking the city of Liverpool with the major rail hub at Crewe, carrying both passenger and freight services.
  • D. Manchester–Crewe line
    The Manchester–Crewe line is a key railway route in North West England linking Manchester with Crewe and serving major intermediate stops including Manchester Airport.
  • E. Derby–Crewe line
    The Derby–Crewe line is a key railway route in England linking the East Midlands with the North West, serving both passenger and freight traffic.
  • 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_69ab4959bcc0819083246f9fb10439e3 completed March 6, 2026, 9:38 p.m.
NER Named-entity recognition batch_69abc99fcd048190a85b95a9a8ae6d4d completed March 7, 2026, 6:45 a.m.
NED1 Entity disambiguation (via context triple) batch_69aebf6634a48190af82eab6b9750323 completed March 9, 2026, 12:39 p.m.
NEDg Description generation batch_69aec2a3f4708190a6c51f28833174e3 completed March 9, 2026, 12:52 p.m.
NED2 Entity disambiguation (via description) batch_69aec3626a7081908f1ccef98e9b96be completed March 9, 2026, 12:56 p.m.
Created at: March 6, 2026, 9:43 p.m.