Triple

T5834928
Position Surface form Disambiguated ID Type / Status
Subject London Midland E129443 entity
Predicate operatedRoute P18593 FINISHED
Object Birmingham New Street – Coventry – Northampton – London Euston
Birmingham New Street – Coventry – Northampton – London Euston is a key inter-city rail corridor in England linking the West Midlands with central London via the West Coast Main Line.
 E549602 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: Birmingham New Street – Coventry – Northampton – London Euston | Statement: [London Midland, operatedRoute, Birmingham New Street – Coventry – Northampton – London Euston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street – Coventry – Northampton – London Euston
Context triple: [London Midland, operatedRoute, Birmingham New Street – Coventry – Northampton – London Euston]
  • A. Birmingham New Street – Northampton
    Birmingham New Street – Northampton is a regional rail service in England connecting Birmingham and Northampton via intermediate West Midlands and Warwickshire stations.
  • B. Birmingham New Street – Glasgow Central
    Birmingham New Street – Glasgow Central is a long-distance intercity rail service linking England’s West Midlands with central Scotland.
  • C. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • D. London Euston – Northampton
    London Euston – Northampton is a key commuter and intercity rail route in England linking central London with the town of Northampton via the West Coast Main Line.
  • E. Crewe – Birmingham New Street
    Crewe – Birmingham New Street is a regional rail service in England connecting the railway hub of Crewe with Birmingham’s main central station.
  • 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: Birmingham New Street – Coventry – Northampton – London Euston
Triple: [London Midland, operatedRoute, Birmingham New Street – Coventry – Northampton – London Euston]
Generated description
Birmingham New Street – Coventry – Northampton – London Euston is a key inter-city rail corridor in England linking the West Midlands with central London via the West Coast Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street – Coventry – Northampton – London Euston
Target entity description: Birmingham New Street – Coventry – Northampton – London Euston is a key inter-city rail corridor in England linking the West Midlands with central London via the West Coast Main Line.
  • A. Birmingham New Street – Northampton
    Birmingham New Street – Northampton is a regional rail service in England connecting Birmingham and Northampton via intermediate West Midlands and Warwickshire stations.
  • B. Birmingham New Street – Glasgow Central
    Birmingham New Street – Glasgow Central is a long-distance intercity rail service linking England’s West Midlands with central Scotland.
  • C. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • D. London Euston – Northampton
    London Euston – Northampton is a key commuter and intercity rail route in England linking central London with the town of Northampton via the West Coast Main Line.
  • E. Crewe – Birmingham New Street
    Crewe – Birmingham New Street is a regional rail service in England connecting the railway hub of Crewe with Birmingham’s main central station.
  • 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_69c0084af79c81908af128ccc29983d0 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034a1e6a88190b1aac05511793315 completed March 22, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a196ebb88190aea57899be954aae completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a27765688190b02a1b0cd39a87fe completed March 23, 2026, 2:16 a.m.
NED2 Entity disambiguation (via description) batch_69c0a2fd7ec081909033994e5556a6ae completed March 23, 2026, 2:18 a.m.
Created at: March 22, 2026, 3:54 p.m.