Triple

T6963228
Position Surface form Disambiguated ID Type / Status
Subject First Capital Connect E161423 entity
Predicate operatedService P5884 FINISHED
Object Bedford to St Pancras services
Bedford to St Pancras services are commuter rail services linking the town of Bedford in Bedfordshire with London St Pancras station, forming part of a key north–south route into central London.
E630536 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: Bedford to St Pancras services | Statement: [First Capital Connect, operatedService, Bedford to St Pancras services]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Bedford to St Pancras services
Context triple: [First Capital Connect, operatedService, Bedford to St Pancras services]
  • A. London King's Cross to King's Lynn services
    London King's Cross to King's Lynn services are a passenger rail service linking central London with the town of King’s Lynn via the Fen Line in eastern England.
  • B. TfL Rail services
    TfL Rail services were the interim commuter rail operations in London and the surrounding area that preceded and were later integrated into the full Elizabeth line network.
  • C. National Rail services in London
    National Rail services in London comprise the network of mainline train operators providing suburban, regional, and long-distance rail connections across the capital and to the rest of the UK.
  • D. National Rail services to London Bridge
    National Rail services to London Bridge are commuter train routes connecting suburban and regional areas in southeast London and beyond with London Bridge station, a major central London rail hub.
  • E. London St Pancras to Corby
    London St Pancras to Corby is a regional passenger rail service in England linking central London with the town of Corby in Northamptonshire.
  • 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: Bedford to St Pancras services
Triple: [First Capital Connect, operatedService, Bedford to St Pancras services]
Generated description
Bedford to St Pancras services are commuter rail services linking the town of Bedford in Bedfordshire with London St Pancras station, forming part of a key north–south route into central London.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Bedford to St Pancras services
Target entity description: Bedford to St Pancras services are commuter rail services linking the town of Bedford in Bedfordshire with London St Pancras station, forming part of a key north–south route into central London.
  • A. London King's Cross to King's Lynn services
    London King's Cross to King's Lynn services are a passenger rail service linking central London with the town of King’s Lynn via the Fen Line in eastern England.
  • B. TfL Rail services
    TfL Rail services were the interim commuter rail operations in London and the surrounding area that preceded and were later integrated into the full Elizabeth line network.
  • C. National Rail services in London
    National Rail services in London comprise the network of mainline train operators providing suburban, regional, and long-distance rail connections across the capital and to the rest of the UK.
  • D. National Rail services to London Bridge
    National Rail services to London Bridge are commuter train routes connecting suburban and regional areas in southeast London and beyond with London Bridge station, a major central London rail hub.
  • E. London St Pancras to Corby
    London St Pancras to Corby is a regional passenger rail service in England linking central London with the town of Corby in Northamptonshire.
  • 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_69c68853cff881908439d488924a8283 completed March 27, 2026, 1:38 p.m.
NER Named-entity recognition batch_69c6daf197b0819085bd0433c8a7f716 completed March 27, 2026, 7:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7589c587c8190b97523b5ac2ab958 completed March 28, 2026, 4:27 a.m.
NEDg Description generation batch_69c759553fe081909881c8d2ae680dfe completed March 28, 2026, 4:30 a.m.
NED2 Entity disambiguation (via description) batch_69c759c79de48190bd3e079c07a9158a completed March 28, 2026, 4:32 a.m.
Created at: March 27, 2026, 2:30 p.m.