Triple

T5707700
Position Surface form Disambiguated ID Type / Status
Subject Chiltern Railways E125825 entity
Predicate operatesRoute P3695 FINISHED
Object London Marylebone – Aylesbury
London Marylebone – Aylesbury is a commuter and regional rail route in England linking central London with the town of Aylesbury in Buckinghamshire.
E540219 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: London Marylebone – Aylesbury | Statement: [Chiltern Railways, operatesRoute, London Marylebone – Aylesbury]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London Marylebone – Aylesbury
Context triple: [Chiltern Railways, operatesRoute, London Marylebone – Aylesbury]
  • A. Moorgate to Welwyn Garden City
    Moorgate to Welwyn Garden City is a suburban commuter rail service in Hertfordshire and north London, forming part of the Great Northern network into central London.
  • B. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • C. London Paddington–Didcot Parkway
    London Paddington–Didcot Parkway is a key electrified stretch of railway in southern England that carries intensive intercity, regional, and commuter services between central London and Oxfordshire.
  • D. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • E. Eastleigh–Romsey line
    The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
  • 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: London Marylebone – Aylesbury
Triple: [Chiltern Railways, operatesRoute, London Marylebone – Aylesbury]
Generated description
London Marylebone – Aylesbury is a commuter and regional rail route in England linking central London with the town of Aylesbury in Buckinghamshire.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London Marylebone – Aylesbury
Target entity description: London Marylebone – Aylesbury is a commuter and regional rail route in England linking central London with the town of Aylesbury in Buckinghamshire.
  • A. Moorgate to Welwyn Garden City
    Moorgate to Welwyn Garden City is a suburban commuter rail service in Hertfordshire and north London, forming part of the Great Northern network into central London.
  • B. North Downs Line
    The North Downs Line is a railway route in South East England that runs across the North Downs, linking Reading with Redhill and Gatwick Airport via towns such as Guildford.
  • C. London Paddington–Didcot Parkway
    London Paddington–Didcot Parkway is a key electrified stretch of railway in southern England that carries intensive intercity, regional, and commuter services between central London and Oxfordshire.
  • D. Hertford Loop Line
    The Hertford Loop Line is a suburban railway route in Hertfordshire and north London that provides an alternative path to the East Coast Main Line, linking London with Hertford and intermediate commuter towns.
  • E. Eastleigh–Romsey line
    The Eastleigh–Romsey line is a regional railway route in Hampshire, England, connecting the towns of Eastleigh and Romsey and serving intermediate communities such as Chandler's Ford.
  • 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_69c0082d6fe48190b777fb383769e5c8 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c024892fd88190a91133fc88365410 completed March 22, 2026, 5:19 p.m.
NED1 Entity disambiguation (via context triple) batch_69c05a6c17608190a9a808c2c77d937c completed March 22, 2026, 9:09 p.m.
NEDg Description generation batch_69c05b7c3bd48190ad8303bf1bb3ec6a completed March 22, 2026, 9:13 p.m.
NED2 Entity disambiguation (via description) batch_69c05c22c31081909a9a67d99e7c728c completed March 22, 2026, 9:16 p.m.
Created at: March 22, 2026, 3:45 p.m.