Triple

T5617513
Position Surface form Disambiguated ID Type / Status
Subject Birmingham International railway station E147513 entity
Predicate servesRoute P31354 FINISHED
Object Birmingham New Street – London Euston
Birmingham New Street – London Euston is a key intercity rail route in the United Kingdom linking Birmingham’s main central station with London’s Euston terminus.
 E23213 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: [Birmingham International railway station, servesRoute, 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: [Birmingham International railway station, servesRoute, 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 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • 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: [Birmingham International railway station, servesRoute, Birmingham New Street – London Euston]
Generated description
Birmingham New Street – London Euston is a key intercity rail route in the United Kingdom linking Birmingham’s main central station with London’s Euston terminus.
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 key intercity rail route in the United Kingdom linking Birmingham’s main central station with London’s Euston terminus.
  • A. London Euston – Birmingham chosen
    London Euston – Birmingham is a major intercity rail corridor in England linking the capital with the West Midlands.
  • B. 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.
  • C. 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.
  • D. 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.
  • E. 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.
  • F. None of above.

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_69c00905d4588190bd967842bbcf2219 completed March 22, 2026, 3:21 p.m.
NER Named-entity recognition batch_69c021dc04c081909f36e40394e7c955 completed March 22, 2026, 5:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0287d9d7081909a1b2510565b55fc completed March 22, 2026, 5:35 p.m.
NEDg Description generation batch_69c03894b9388190bd534ad107722b83 completed March 22, 2026, 6:44 p.m.
NED2 Entity disambiguation (via description) batch_69c0393144248190a97d1f82b81cc868 completed March 22, 2026, 6:47 p.m.
Created at: March 22, 2026, 3:40 p.m.