Triple

T12470298

Position	Surface form	Disambiguated ID	Type / Status
Subject	Thornaby railway station	`E298037`	entity
Predicate	locatedOn	`P40`	FINISHED
Object	Middlesbrough to Darlington line The Middlesbrough to Darlington line is a railway route in North East England that connects the towns of Middlesbrough and Darlington, serving as an important regional passenger and freight corridor.	`E983395`	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: Middlesbrough to Darlington line | Statement: [Thornaby railway station, locatedOn, Middlesbrough to Darlington line]

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

Target entity: Middlesbrough to Darlington line
Context triple: [Thornaby railway station, locatedOn, Middlesbrough to Darlington line]

A. Bishop Auckland–Darlington line
The Bishop Auckland–Darlington line is a railway route in County Durham, England, historically part of the North Eastern Railway and serving as a local connector between the town of Bishop Auckland and the larger rail hub at Darlington.
B. Middlesbrough–Whitby railway
The Middlesbrough–Whitby railway is a rail line in North Yorkshire, England, historically linking the industrial town of Middlesbrough with the coastal resort of Whitby across the North York Moors.
C. Scarborough–Bridlington Line (former)
The Scarborough–Bridlington Line (former) was a now-closed railway route in North Yorkshire, England, that once connected the coastal towns of Scarborough and Bridlington.
D. Leeds–Dewsbury line
The Leeds–Dewsbury line is a railway route in West Yorkshire, England, connecting the city of Leeds with the town of Dewsbury as part of the regional commuter rail network.
E. Leeds to Hull Line
The Leeds to Hull Line is a key railway route in northern England connecting the city of Leeds with the port city of Hull, serving numerous intermediate towns and commuter stations.
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: Middlesbrough to Darlington line
Triple: [Thornaby railway station, locatedOn, Middlesbrough to Darlington line]

Generated description

The Middlesbrough to Darlington line is a railway route in North East England that connects the towns of Middlesbrough and Darlington, serving as an important regional passenger and freight corridor.

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

Target entity: Middlesbrough to Darlington line
Target entity description: The Middlesbrough to Darlington line is a railway route in North East England that connects the towns of Middlesbrough and Darlington, serving as an important regional passenger and freight corridor.

A. Bishop Auckland–Darlington line
The Bishop Auckland–Darlington line is a railway route in County Durham, England, historically part of the North Eastern Railway and serving as a local connector between the town of Bishop Auckland and the larger rail hub at Darlington.
B. Middlesbrough–Whitby railway
The Middlesbrough–Whitby railway is a rail line in North Yorkshire, England, historically linking the industrial town of Middlesbrough with the coastal resort of Whitby across the North York Moors.
C. Scarborough–Bridlington Line (former)
The Scarborough–Bridlington Line (former) was a now-closed railway route in North Yorkshire, England, that once connected the coastal towns of Scarborough and Bridlington.
D. Leeds–Dewsbury line
The Leeds–Dewsbury line is a railway route in West Yorkshire, England, connecting the city of Leeds with the town of Dewsbury as part of the regional commuter rail network.
E. Leeds to Hull Line
The Leeds to Hull Line is a key railway route in northern England connecting the city of Leeds with the port city of Hull, serving numerous intermediate towns and commuter stations.
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_69d6ada270808190b1a2b2e7b02bb426`	completed	April 8, 2026, 7:33 p.m.
NER	Named-entity recognition	`batch_69d94dba7f6c8190b272f649e0777362`	completed	April 10, 2026, 7:21 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69f63f2175c48190bbd28ad8c07434f0`	completed	May 2, 2026, 6:14 p.m.
NEDg	Description generation	`batch_69f6401199408190ad2657802afd93c9`	completed	May 2, 2026, 6:18 p.m.
NED2	Entity disambiguation (via description)	`batch_69f6416ba1bc8190a772bffe4d83ec15`	completed	May 2, 2026, 6:24 p.m.

Created at: April 8, 2026, 9:56 p.m.