Norwich–Cambridge line
E666498
The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Norwich–Cambridge line canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7082342 — 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: Norwich–Cambridge line Context triple: [British Rail Class 755, usedOnLine, Norwich–Cambridge line]
-
A.
Ely–Norwich line
The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
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B.
Ely–Ipswich line
The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
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C.
Norwich–Great Yarmouth line
The Norwich–Great Yarmouth line is a regional railway route in Norfolk, England, linking the city of Norwich with the coastal town of Great Yarmouth.
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D.
Cambridge–Ely line
The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
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E.
Thetford–Ely line
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
- 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: Norwich–Cambridge line Target entity description: The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
-
A.
Ely–Norwich line
The Ely–Norwich line is a regional railway route in East Anglia, England, connecting the city of Ely with Norwich and serving as an important link across Cambridgeshire, Suffolk, and Norfolk.
-
B.
Ely–Ipswich line
The Ely–Ipswich line is a regional railway route in eastern England that connects the city of Ely in Cambridgeshire with the town of Ipswich in Suffolk, serving as an important link across East Anglia.
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C.
Norwich–Great Yarmouth line
The Norwich–Great Yarmouth line is a regional railway route in Norfolk, England, linking the city of Norwich with the coastal town of Great Yarmouth.
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D.
Cambridge–Ely line
The Cambridge–Ely line is a railway route in Cambridgeshire, England, connecting the city of Cambridge with the cathedral city of Ely and forming part of the region’s key passenger and freight network.
-
E.
Thetford–Ely line
The Thetford–Ely line is a rural railway route in eastern England linking the towns of Thetford and Ely and serving intermediate stations such as Shippea Hill.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
railway line
ⓘ
regional rail route ⓘ |
| connectsCity |
Cambridge
ⓘ
Norwich ⓘ |
| connectsRegion |
Cambridgeshire
ⓘ
linked to:
Cambridgeshire, England
Norfolk ⓘ Suffolk ⓘ |
| country | United Kingdom ⓘ |
| electrification | non-electrified ⓘ |
| hasRouteNumber | Network Rail Route 5 (part) ⓘ |
| hasServiceType | regional rail service ⓘ |
| locatedIn | England ⓘ |
| locatedInRegion | East of England ⓘ |
| operator | Greater Anglia ⓘ |
| partOfNetwork | National Rail ⓘ |
| passesThroughCounty |
Cambridgeshire
ⓘ
linked to:
Cambridgeshire, England
Norfolk ⓘ Suffolk ⓘ |
| primaryUse | passenger rail transport ⓘ |
| servesTown |
Attleborough
ⓘ
Brandon ⓘ Cambridge North ⓘ
linked to:
Cambridge North railway station
Ely ⓘ Lakenheath ⓘ Shippea Hill ⓘ Thetford ⓘ Waterbeach ⓘ Wymondham ⓘ |
| terminus |
Cambridge
ⓘ
Norwich ⓘ |
| trackGauge | 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: Norwich–Cambridge line Description of subject: The Norwich–Cambridge line is a regional railway route in eastern England linking the city of Norwich with Cambridge and serving intermediate towns across Norfolk, Suffolk, and Cambridgeshire.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Class 755 bi-mode multiple unit