Triple

T11552620
Position Surface form Disambiguated ID Type / Status
Subject Aston railway station E273933 entity
Predicate servedByLine P1293 FINISHED
Object Birmingham–Lichfield line
The Birmingham–Lichfield line is a suburban railway route in the West Midlands, England, forming part of the Cross-City Line and connecting Birmingham with the cathedral city of Lichfield.
 E943198 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–Lichfield line | Statement: [Aston railway station, servedByLine, Birmingham–Lichfield line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Birmingham–Lichfield line
Context triple: [Aston railway station, servedByLine, Birmingham–Lichfield line]
  • A. Birmingham–Wolverhampton line
    The Birmingham–Wolverhampton line is a key railway route in England’s West Midlands, linking the major cities of Birmingham and Wolverhampton and forming part of the region’s core commuter and intercity rail network.
  • B. Birmingham–Shrewsbury line
    The Birmingham–Shrewsbury line is a key railway route in England linking the West Midlands city of Birmingham with the historic town of Shrewsbury, providing important regional and intercity passenger services.
  • C. Birmingham–Kidderminster line
    The Birmingham–Kidderminster line is a suburban and regional railway route in the West Midlands of England linking central Birmingham with the town of Kidderminster.
  • D. Shrewsbury–Wolverhampton line
    The Shrewsbury–Wolverhampton line is a railway route in the West Midlands of England that connects the town of Shrewsbury with the city of Wolverhampton, serving intermediate communities along the way.
  • E. 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.
  • 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–Lichfield line
Triple: [Aston railway station, servedByLine, Birmingham–Lichfield line]
Generated description
The Birmingham–Lichfield line is a suburban railway route in the West Midlands, England, forming part of the Cross-City Line and connecting Birmingham with the cathedral city of Lichfield.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Birmingham–Lichfield line
Target entity description: The Birmingham–Lichfield line is a suburban railway route in the West Midlands, England, forming part of the Cross-City Line and connecting Birmingham with the cathedral city of Lichfield.
  • A. Birmingham–Wolverhampton line
    The Birmingham–Wolverhampton line is a key railway route in England’s West Midlands, linking the major cities of Birmingham and Wolverhampton and forming part of the region’s core commuter and intercity rail network.
  • B. Birmingham–Shrewsbury line
    The Birmingham–Shrewsbury line is a key railway route in England linking the West Midlands city of Birmingham with the historic town of Shrewsbury, providing important regional and intercity passenger services.
  • C. Birmingham–Kidderminster line
    The Birmingham–Kidderminster line is a suburban and regional railway route in the West Midlands of England linking central Birmingham with the town of Kidderminster.
  • D. Shrewsbury–Wolverhampton line
    The Shrewsbury–Wolverhampton line is a railway route in the West Midlands of England that connects the town of Shrewsbury with the city of Wolverhampton, serving intermediate communities along the way.
  • E. 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.
  • 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_69d6aae4dfa48190a3ab0b19a159a3c5 completed April 8, 2026, 7:22 p.m.
NER Named-entity recognition batch_69d88a85b9ac8190a57c1fdaeacbe3d6 completed April 10, 2026, 5:28 a.m.
NED1 Entity disambiguation (via context triple) batch_69f018d260488190a8c716787247797f completed April 28, 2026, 2:17 a.m.
NEDg Description generation batch_69f0319271788190a105828ae7582668 completed April 28, 2026, 4:03 a.m.
NED2 Entity disambiguation (via description) batch_69f05a44dcb88190a0bb57b0c8fef6b9 completed April 28, 2026, 6:57 a.m.
Created at: April 8, 2026, 9:37 p.m.