Triple

T5834918
Position Surface form Disambiguated ID Type / Status
Subject London Midland E129443 entity
Predicate operatedRoute P18593 FINISHED
Object Birmingham New Street – London Euston
Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
 E549601 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 – London Euston | Statement: [London Midland, operatedRoute, Birmingham New Street – London Euston]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street – London Euston
Context triple: [London Midland, operatedRoute, Birmingham New Street – London Euston]
  • A. London Euston – Birmingham
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • B. Birmingham New Street – Manchester Piccadilly
    Birmingham New Street – Manchester Piccadilly is a key inter-city rail route in England linking Birmingham with Manchester via major intermediate stations.
  • C. Birmingham New Street to Liverpool Lime Street
    Birmingham New Street to Liverpool Lime Street is a key inter-city rail route in England linking Birmingham and Liverpool via the West Midlands and the North West.
  • D. 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.
  • E. London Euston – Liverpool
    London Euston – Liverpool is a major intercity rail route in England linking the capital with the city of Liverpool via the West Coast Main 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: Birmingham New Street – London Euston
Triple: [London Midland, operatedRoute, Birmingham New Street – London Euston]
Generated description
Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on the West Coast Main Line.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Birmingham New Street – London Euston
Target entity description: Birmingham New Street – London Euston is a major intercity rail route in the United Kingdom linking Birmingham’s principal station with one of London’s main termini on 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. Birmingham New Street – Manchester Piccadilly
    Birmingham New Street – Manchester Piccadilly is a key inter-city rail route in England linking Birmingham with Manchester via major intermediate stations.
  • C. Birmingham New Street to Liverpool Lime Street
    Birmingham New Street to Liverpool Lime Street is a key inter-city rail route in England linking Birmingham and Liverpool via the West Midlands and the North West.
  • D. 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.
  • E. London Euston – Liverpool
    London Euston – Liverpool is a major intercity rail route in England linking the capital with the city of Liverpool via the West Coast Main 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_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.