Triple

T22712645
Position Surface form Disambiguated ID Type / Status
Subject West Midlands Trains rolling stock E561641 entity
Predicate primaryDepot P14646 FINISHED
Object Bletchley TMD
Bletchley TMD is a railway traction maintenance depot in Bletchley, England, responsible for servicing and maintaining trains operated in the surrounding region.
E1551144 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: Bletchley TMD | Statement: [West Midlands Trains rolling stock, primaryDepot, Bletchley TMD]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bletchley TMD
Context triple: [West Midlands Trains rolling stock, primaryDepot, Bletchley TMD]
  • A. Bletchley railway station
    Bletchley railway station is a key railway hub in Bletchley, Buckinghamshire, serving as an important junction on the West Coast Main Line and local routes including the Marston Vale Line.
  • B. Fazeley Junction
    Fazeley Junction is a key canal junction in Staffordshire, England, where the Birmingham and Fazeley Canal meets the Coventry Canal, forming an important link in the Midlands canal network.
  • C. Wolverton Station
    Wolverton Station is a horror short story by Joe Hill that follows a ruthless businessman who encounters unsettling supernatural events at a remote train stop.
  • D. Braunston Junction
    Braunston Junction is a key canal junction in Northamptonshire, England, where major waterways meet and form an important hub on the British inland waterways network.
  • E. Autherley Junction
    Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
  • 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: Bletchley TMD
Triple: [West Midlands Trains rolling stock, primaryDepot, Bletchley TMD]
Generated description
Bletchley TMD is a railway traction maintenance depot in Bletchley, England, responsible for servicing and maintaining trains operated in the surrounding region.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bletchley TMD
Target entity description: Bletchley TMD is a railway traction maintenance depot in Bletchley, England, responsible for servicing and maintaining trains operated in the surrounding region.
  • A. Bletchley railway station
    Bletchley railway station is a key railway hub in Bletchley, Buckinghamshire, serving as an important junction on the West Coast Main Line and local routes including the Marston Vale Line.
  • B. Fazeley Junction
    Fazeley Junction is a key canal junction in Staffordshire, England, where the Birmingham and Fazeley Canal meets the Coventry Canal, forming an important link in the Midlands canal network.
  • C. Wolverton Station
    Wolverton Station is a horror short story by Joe Hill that follows a ruthless businessman who encounters unsettling supernatural events at a remote train stop.
  • D. Braunston Junction
    Braunston Junction is a key canal junction in Northamptonshire, England, where major waterways meet and form an important hub on the British inland waterways network.
  • E. Autherley Junction
    Autherley Junction is a canal junction near Wolverhampton in England where the Shropshire Union Canal connects with the Staffordshire and Worcestershire Canal.
  • 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_69e2454f1348819088d83f420925a5c1 completed April 17, 2026, 2:35 p.m.
NER Named-entity recognition batch_69f1790ab6208190a342f076002324ab completed April 29, 2026, 3:20 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0b7edb9a2c8190aefff02fd998edc2 completed May 18, 2026, 9:04 p.m.
NEDg Description generation batch_6a0b834f488c8190bee40bd1caea0e40 completed May 18, 2026, 9:23 p.m.
NED2 Entity disambiguation (via description) batch_6a0b8717b65c819089d29c1802d1ed55 completed May 18, 2026, 9:39 p.m.
Created at: April 17, 2026, 3:18 p.m.