Triple

T20771853
Position Surface form Disambiguated ID Type / Status
Subject London Euston – Liverpool E511254 entity
Predicate locatedOnCorridor P5520 FINISHED
Object London–North West rail corridor
The London–North West rail corridor is a major intercity railway route in the United Kingdom linking London with key cities in the North West of England, including Liverpool and Manchester.
E1450124 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–North West rail corridor | Statement: [London Euston – Liverpool, locatedOnCorridor, London–North West rail corridor]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: London–North West rail corridor
Context triple: [London Euston – Liverpool, locatedOnCorridor, London–North West rail corridor]
  • A. London–Oxford rail corridor
    The London–Oxford rail corridor is a key railway route in England that connects London with the historic city of Oxford via several main and branch lines.
  • B. London–Bristol rail corridor
    The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
  • C. London–Birmingham transport corridor
    The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
  • D. Birmingham–Lichfield rail corridor
    The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
  • E. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • 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–North West rail corridor
Triple: [London Euston – Liverpool, locatedOnCorridor, London–North West rail corridor]
Generated description
The London–North West rail corridor is a major intercity railway route in the United Kingdom linking London with key cities in the North West of England, including Liverpool and Manchester.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: London–North West rail corridor
Target entity description: The London–North West rail corridor is a major intercity railway route in the United Kingdom linking London with key cities in the North West of England, including Liverpool and Manchester.
  • A. London–Oxford rail corridor
    The London–Oxford rail corridor is a key railway route in England that connects London with the historic city of Oxford via several main and branch lines.
  • B. London–Bristol rail corridor
    The London–Bristol rail corridor is a major intercity railway route in England linking the capital with the city of Bristol via key intermediate towns and lines.
  • C. London–Birmingham transport corridor
    The London–Birmingham transport corridor is a major strategic route in England that links the capital with Birmingham through a combination of key motorways, rail lines, and other transport infrastructure.
  • D. Birmingham–Lichfield rail corridor
    The Birmingham–Lichfield rail corridor is a key suburban and regional railway route in the West Midlands of England, linking central Birmingham with the city of Lichfield and serving as part of the Cross-City Line.
  • E. South Eastern Main Line
    The South Eastern Main Line is a major railway route in southeast England connecting London with key towns in Kent and the surrounding region.
  • 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_69e0b4ca01148190ac018e57e0cab46f completed April 16, 2026, 10:07 a.m.
NER Named-entity recognition batch_69e6c2681ff88190bfe5938c2db6b2c4 completed April 21, 2026, 12:18 a.m.
NED1 Entity disambiguation (via context triple) batch_6a08ef91918c81908e99ab3a8ed9a1e5 completed May 16, 2026, 10:28 p.m.
NEDg Description generation batch_6a08f306e51481909691e3735ce10b60 completed May 16, 2026, 10:43 p.m.
NED2 Entity disambiguation (via description) batch_6a08f37adb908190a40a7bb1728f3dbf completed May 16, 2026, 10:45 p.m.
Created at: April 16, 2026, 12:37 p.m.