London Waterloo to Portsmouth Harbour route
E433481
The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
All labels observed (1)
| Label | Occurrences |
|---|---|
| London Waterloo to Portsmouth Harbour route canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4349757 — 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: London Waterloo to Portsmouth Harbour route Context triple: [Havant railway station, onLine, London Waterloo to Portsmouth Harbour route]
-
A.
London Paddington–Swansea route
The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
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B.
Dover–Ramsgate line
The Dover–Ramsgate line is a coastal railway route in Kent, England, linking the port town of Dover with the seaside resort of Ramsgate and serving several intermediate communities.
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C.
London Waterloo to Bournemouth
London Waterloo to Bournemouth is a major intercity rail service in southern England linking central London with the coastal town of Bournemouth.
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D.
Southampton–Portsmouth line
The Southampton–Portsmouth line is a key railway route on England’s south coast linking the cities of Southampton and Portsmouth and serving numerous intermediate suburban and coastal communities.
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E.
London Waterloo–Exeter
London Waterloo–Exeter is a key intercity rail route in southern England linking London Waterloo with Exeter via major intermediate towns and cities.
- 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: London Waterloo to Portsmouth Harbour route Target entity description: The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
-
A.
London Paddington–Swansea route
The London Paddington–Swansea route is a major intercity railway line in Great Britain linking London with South Wales, serving key cities such as Reading, Bristol (via connecting routes), Cardiff, and Swansea.
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B.
Dover–Ramsgate line
The Dover–Ramsgate line is a coastal railway route in Kent, England, linking the port town of Dover with the seaside resort of Ramsgate and serving several intermediate communities.
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C.
London Waterloo to Bournemouth
London Waterloo to Bournemouth is a major intercity rail service in southern England linking central London with the coastal town of Bournemouth.
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D.
Southampton–Portsmouth line
The Southampton–Portsmouth line is a key railway route on England’s south coast linking the cities of Southampton and Portsmouth and serving numerous intermediate suburban and coastal communities.
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E.
London Waterloo–Exeter
London Waterloo–Exeter is a key intercity rail route in southern England linking London Waterloo with Exeter via major intermediate towns and cities.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
passenger rail service
ⓘ
railway line ⓘ |
| connectsCity |
London
NERFINISHED
ⓘ
Portsmouth NERFINISHED ⓘ |
| connectsHub |
London Waterloo railway station
NERFINISHED
ⓘ
Portsmouth Harbour railway station NERFINISHED ⓘ |
| country | United Kingdom ⓘ |
| electrification | 750 V DC third rail ⓘ |
| endPoint | Portsmouth Harbour railway station NERFINISHED ⓘ |
| formerOperator | South West Trains NERFINISHED ⓘ |
| hasStation |
Clapham Junction railway station
NERFINISHED
ⓘ
Guildford railway station NERFINISHED ⓘ Havant railway station NERFINISHED ⓘ London Waterloo railway station NERFINISHED ⓘ Portsmouth & Southsea railway station NERFINISHED ⓘ Portsmouth Harbour railway station NERFINISHED ⓘ Woking railway station NERFINISHED ⓘ |
| locatedIn | England ⓘ |
| notableFor | linking central London with Royal Navy base at Portsmouth ⓘ |
| operator | South Western Railway NERFINISHED ⓘ |
| primaryPurpose |
commuter traffic
ⓘ
intercity travel ⓘ tourist travel ⓘ |
| railNetwork | National Rail ⓘ |
| railwaySystem | British railway system ⓘ |
| regionServed |
South East England
NERFINISHED
ⓘ
South West London NERFINISHED ⓘ |
| serviceType |
fast services
ⓘ
semi-fast services ⓘ stopping services ⓘ |
| startPoint | London Waterloo railway station NERFINISHED ⓘ |
| terminus |
London Waterloo railway station
NERFINISHED
ⓘ
Portsmouth Harbour railway station NERFINISHED ⓘ |
| trackGauge | standard gauge ⓘ |
| usesLine |
Portsmouth Direct Line
NERFINISHED
ⓘ
South West Main Line NERFINISHED ⓘ |
| viaRegion |
Hampshire
NERFINISHED
ⓘ
Portsmouth NERFINISHED ⓘ Surrey NERFINISHED ⓘ |
| viaStation |
Guildford railway station
NERFINISHED
ⓘ
Havant railway station NERFINISHED ⓘ Portsmouth & Southsea railway station NERFINISHED ⓘ Woking railway station NERFINISHED ⓘ |
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: London Waterloo to Portsmouth Harbour route Description of subject: The London Waterloo to Portsmouth Harbour route is a major south-western English railway line connecting central London with the naval city of Portsmouth via key intermediate stations such as Havant.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.