Triple

T7179063
Position Surface form Disambiguated ID Type / Status
Subject Wembley Stadium railway station E167397 entity
Predicate locatedOnLine P2409 FINISHED
Object Birmingham–London Marylebone line
The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
E647804 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–London Marylebone line | Statement: [Wembley Stadium railway station, locatedOnLine, Birmingham–London Marylebone line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Birmingham–London Marylebone line
Context triple: [Wembley Stadium railway station, locatedOnLine, Birmingham–London Marylebone line]
  • A. Birmingham–Stratford-upon-Avon line
    The Birmingham–Stratford-upon-Avon line is a regional railway route in England linking Birmingham with the historic town of Stratford-upon-Avon, primarily serving commuter and tourist traffic.
  • B. Birmingham–Leamington Spa line
    The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
  • C. Derby–Birmingham line
    The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
  • D. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • E. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • 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–London Marylebone line
Triple: [Wembley Stadium railway station, locatedOnLine, Birmingham–London Marylebone line]
Generated description
The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Birmingham–London Marylebone line
Target entity description: The Birmingham–London Marylebone line is a major intercity and commuter railway route in England linking Birmingham with London Marylebone via towns in the Chilterns and the West Midlands.
  • A. Birmingham–Stratford-upon-Avon line
    The Birmingham–Stratford-upon-Avon line is a regional railway route in England linking Birmingham with the historic town of Stratford-upon-Avon, primarily serving commuter and tourist traffic.
  • B. Birmingham–Leamington Spa line
    The Birmingham–Leamington Spa line is a railway route in the West Midlands and Warwickshire connecting Birmingham with Leamington Spa, used for both regional passenger services and some longer-distance trains.
  • C. Derby–Birmingham line
    The Derby–Birmingham line is a key railway route in England linking the East Midlands city of Derby with Birmingham and the wider West Midlands rail network.
  • D. Manchester–London main line
    The Manchester–London main line is a major intercity railway corridor in England connecting Manchester with London and forming part of the core north–south rail network.
  • E. West of England Main Line
    The West of England Main Line is a major railway route in southwest England that connects London with Exeter and passes through several counties including Somerset.
  • 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_69c6888a7c548190a3d39b52a393080f completed March 27, 2026, 1:39 p.m.
NER Named-entity recognition batch_69c6e8b9756481908f35bceefb77ddce completed March 27, 2026, 8:29 p.m.
NED1 Entity disambiguation (via context triple) batch_69c7b935eb088190acb0b8a6b75addbb completed March 28, 2026, 11:19 a.m.
NEDg Description generation batch_69c7bcfaf8608190908c5b58ecdf9aff completed March 28, 2026, 11:35 a.m.
NED2 Entity disambiguation (via description) batch_69c7bd68f4688190aa8ac988d2435bb7 completed March 28, 2026, 11:37 a.m.
Created at: March 27, 2026, 2:49 p.m.