Triple

T9665310

Position	Surface form	Disambiguated ID	Type / Status
Subject	Shrewsbury–Aberystwyth line	`E233686`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	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.	`E814185`	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–Shrewsbury line | Statement: [Shrewsbury–Aberystwyth line, connectsTo, Birmingham–Shrewsbury line]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Birmingham–Shrewsbury line
Context triple: [Shrewsbury–Aberystwyth line, connectsTo, Birmingham–Shrewsbury line]

A. Hereford–Shrewsbury line
The Hereford–Shrewsbury line is a railway route in the West Midlands of England that connects the cities of Hereford and Shrewsbury, forming part of the regional and intercity network between South Wales and the English Midlands.
B. 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.
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. 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.
E. 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.
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–Shrewsbury line
Triple: [Shrewsbury–Aberystwyth line, connectsTo, Birmingham–Shrewsbury line]

Generated description

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.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Birmingham–Shrewsbury line
Target entity description: 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.

A. Hereford–Shrewsbury line
The Hereford–Shrewsbury line is a railway route in the West Midlands of England that connects the cities of Hereford and Shrewsbury, forming part of the regional and intercity network between South Wales and the English Midlands.
B. 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.
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. 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.
E. 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.
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_69ca848d3b6c8190ae98ea554dea58df`	completed	March 30, 2026, 2:11 p.m.
NER	Named-entity recognition	`batch_69cd9c38f65c8190a0ed20830249a0f1`	completed	April 1, 2026, 10:29 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69d18a1c8b188190bcff470244b21640`	completed	April 4, 2026, 10:01 p.m.
NEDg	Description generation	`batch_69d18b0929788190955f0da0eadb3210`	completed	April 4, 2026, 10:04 p.m.
NED2	Entity disambiguation (via description)	`batch_69d18ea5ffbc8190b336c98087838d7b`	completed	April 4, 2026, 10:20 p.m.

Created at: March 30, 2026, 8:14 p.m.