Triple

T11194310

Position	Surface form	Disambiguated ID	Type / Status
Subject	Birmingham–Walsall line	`E264880`	entity
Predicate	connectsTo	`P845`	FINISHED
Object	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.	`E916708`	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–Wolverhampton line | Statement: [Birmingham–Walsall line, connectsTo, Birmingham–Wolverhampton line]

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

Target entity: Birmingham–Wolverhampton line
Context triple: [Birmingham–Walsall line, connectsTo, Birmingham–Wolverhampton line]

A. 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.
B. 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.
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–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–Wolverhampton line
Triple: [Birmingham–Walsall line, connectsTo, Birmingham–Wolverhampton line]

Generated description

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.

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

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

A. 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.
B. 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.
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–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_69d6aa9eb9248190b20211772621b4bc`	completed	April 8, 2026, 7:21 p.m.
NER	Named-entity recognition	`batch_69d7e8bf14e481908563b15790af4d20`	completed	April 9, 2026, 5:58 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69e509dd91288190beefaaa451d692ae`	completed	April 19, 2026, 4:59 p.m.
NEDg	Description generation	`batch_69e510f7bec08190989118b6e4a7fa49`	completed	April 19, 2026, 5:29 p.m.
NED2	Entity disambiguation (via description)	`batch_69e5168c8da0819093bf61d8ea5f9e35`	completed	April 19, 2026, 5:53 p.m.

Created at: April 8, 2026, 9:29 p.m.