Derby–Sheffield line
E592520
The Derby–Sheffield line is a key railway route in England connecting the East Midlands city of Derby with the South Yorkshire city of Sheffield, serving both passenger and freight traffic.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Derby–Sheffield line canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6336944 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Derby–Sheffield line Context triple: [Derby Midland Road, locatedOnLine, Derby–Sheffield line]
-
A.
Sheffield–Lincoln line
The Sheffield–Lincoln line is a regional railway route in England that connects the city of Sheffield with Lincoln, serving intermediate towns across South Yorkshire, Nottinghamshire, and Lincolnshire.
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B.
Manchester–Sheffield line
The Manchester–Sheffield line is a key trans-Pennine railway route in northern England linking Manchester and Sheffield through the Peak District.
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C.
Derby–Nottingham line
The Derby–Nottingham line is a key railway route in the East Midlands of England that connects the cities of Derby and Nottingham and serves as an important regional commuter and intercity corridor.
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D.
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.
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E.
Derby–Matlock line
The Derby–Matlock line is a regional railway route in Derbyshire, England, running through the Derwent Valley and serving towns and communities between Derby and the market town of Matlock.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Derby–Sheffield line Target entity description: The Derby–Sheffield line is a key railway route in England connecting the East Midlands city of Derby with the South Yorkshire city of Sheffield, serving both passenger and freight traffic.
-
A.
Sheffield–Lincoln line
The Sheffield–Lincoln line is a regional railway route in England that connects the city of Sheffield with Lincoln, serving intermediate towns across South Yorkshire, Nottinghamshire, and Lincolnshire.
-
B.
Manchester–Sheffield line
The Manchester–Sheffield line is a key trans-Pennine railway route in northern England linking Manchester and Sheffield through the Peak District.
-
C.
Derby–Nottingham line
The Derby–Nottingham line is a key railway route in the East Midlands of England that connects the cities of Derby and Nottingham and serves as an important regional commuter and intercity corridor.
-
D.
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.
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E.
Derby–Matlock line
The Derby–Matlock line is a regional railway route in Derbyshire, England, running through the Derwent Valley and serving towns and communities between Derby and the market town of Matlock.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | railway line ⓘ |
| connects |
Derby
NERFINISHED
ⓘ
Sheffield NERFINISHED ⓘ |
| connectsUrbanArea |
Derby urban area
ⓘ
Sheffield urban area NERFINISHED ⓘ |
| country | England ⓘ |
| electrification | not electrified ⓘ |
| followsValleyOf | River Derwent NERFINISHED ⓘ |
| formsPartOf | Midland Main Line (northern section) NERFINISHED ⓘ |
| hasIntermediateStation |
Belper railway station
NERFINISHED
ⓘ
Chesterfield railway station NERFINISHED ⓘ Dronfield railway station NERFINISHED ⓘ Duffield railway station NERFINISHED ⓘ |
| hasPrimaryFunction | inter-regional rail connection between East Midlands and South Yorkshire ⓘ |
| hasRollingStockType |
diesel locomotives
ⓘ
diesel multiple units ⓘ |
| hasServiceType |
inter-city services
ⓘ
local stopping services ⓘ regional services ⓘ |
| historicalOperator |
London, Midland and Scottish Railway
NERFINISHED
ⓘ
Midland Railway NERFINISHED ⓘ |
| infrastructureManager | Network Rail NERFINISHED ⓘ |
| isKeyRouteFor |
CrossCountry network
NERFINISHED
ⓘ
East Midlands Railway network NERFINISHED ⓘ |
| locatedIn |
Derbyshire
ⓘ
South Yorkshire ⓘ United Kingdom ⓘ |
| openedBy | Midland Railway NERFINISHED ⓘ |
| operator |
CrossCountry
NERFINISHED
ⓘ
East Midlands Railway NERFINISHED ⓘ Northern Trains ⓘ |
| partOf | British railway network NERFINISHED ⓘ |
| passesThrough |
Ambergate
NERFINISHED
ⓘ
Belper NERFINISHED ⓘ Chesterfield NERFINISHED ⓘ Dronfield NERFINISHED ⓘ Duffield NERFINISHED ⓘ |
| regionServed |
East Midlands
NERFINISHED
ⓘ
South Yorkshire NERFINISHED ⓘ |
| supports |
freight trains
ⓘ
passenger trains ⓘ |
| terminus |
Derby railway station
NERFINISHED
ⓘ
Sheffield railway station NERFINISHED ⓘ |
| trackConfiguration | double track ⓘ |
| usedFor |
freight traffic
ⓘ
passenger traffic ⓘ |
| usesTrackGauge | standard gauge ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Derby–Sheffield line Description of subject: The Derby–Sheffield line is a key railway route in England connecting the East Midlands city of Derby with the South Yorkshire city of Sheffield, serving both passenger and freight traffic.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.