Portchester Castle outer bailey
E642362
The Portchester Castle outer bailey is the large enclosed courtyard area within the Roman and medieval fortifications at Portchester, Hampshire, which contains structures such as St Mary’s Church and forms a key part of the historic castle complex.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Portchester Castle outer bailey canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7102837 — 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: Portchester Castle outer bailey Context triple: [St Mary’s Church, Portchester, locatedIn, Portchester Castle outer bailey]
-
A.
Upper Castle Yard
Upper Castle Yard is a central courtyard within Dublin Castle, historically serving as a key ceremonial and administrative space in the heart of the complex.
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B.
Portland Castle
Portland Castle is a 16th-century coastal artillery fort on the Isle of Portland in Dorset, England, built by Henry VIII to defend against French and Spanish invasion.
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C.
Bruce Castle Park
Bruce Castle Park is a historic public green space in Tottenham, north London, surrounding the Grade I listed Bruce Castle and featuring gardens, sports facilities, and community amenities.
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D.
Tonbridge Castle
Tonbridge Castle is a historic Norman motte-and-bailey fortress in Tonbridge, Kent, known for its well-preserved gatehouse and riverside setting.
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E.
Alnwick Castle grounds
Alnwick Castle grounds are the historic landscaped gardens and parkland surrounding Alnwick Castle in Northumberland, England, renowned for their picturesque design and later enhancements including the contemporary Alnwick Garden.
- 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: Portchester Castle outer bailey Target entity description: The Portchester Castle outer bailey is the large enclosed courtyard area within the Roman and medieval fortifications at Portchester, Hampshire, which contains structures such as St Mary’s Church and forms a key part of the historic castle complex.
-
A.
Upper Castle Yard
Upper Castle Yard is a central courtyard within Dublin Castle, historically serving as a key ceremonial and administrative space in the heart of the complex.
-
B.
Portland Castle
Portland Castle is a 16th-century coastal artillery fort on the Isle of Portland in Dorset, England, built by Henry VIII to defend against French and Spanish invasion.
-
C.
Bruce Castle Park
Bruce Castle Park is a historic public green space in Tottenham, north London, surrounding the Grade I listed Bruce Castle and featuring gardens, sports facilities, and community amenities.
-
D.
Tonbridge Castle
Tonbridge Castle is a historic Norman motte-and-bailey fortress in Tonbridge, Kent, known for its well-preserved gatehouse and riverside setting.
-
E.
Alnwick Castle grounds
Alnwick Castle grounds are the historic landscaped gardens and parkland surrounding Alnwick Castle in Northumberland, England, renowned for their picturesque design and later enhancements including the contemporary Alnwick Garden.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
castle bailey
ⓘ
courtyard ⓘ |
| accessPoint | connected to main castle entrance routes ⓘ |
| adjacentTo | Portchester Castle inner defences NERFINISHED ⓘ |
| associatedWith | Portchester Castle inner bailey ⓘ |
| contains |
ancillary castle structures
ⓘ
ecclesiastical buildings ⓘ open courtyard space ⓘ |
| country | United Kingdom ⓘ |
| county | Hampshire NERFINISHED ⓘ |
| enclosedBy |
Roman fort walls at Portchester
ⓘ
medieval castle defences at Portchester ⓘ |
| formsPartOf | Portchester Castle historic complex NERFINISHED ⓘ |
| hasCurrentUse |
heritage attraction area open to visitors
ⓘ
setting for St Mary’s Church, Portchester ⓘ |
| hasFunction | enclosed courtyard area within castle complex ⓘ |
| hasHistoricalPeriod |
Roman
ⓘ
medieval ⓘ |
| hasStructure | St Mary’s Church, Portchester NERFINISHED ⓘ |
| heritageContext |
part of a scheduled ancient monument
ⓘ
within a Grade I listed castle site ⓘ |
| historicalSignificance | key component of Portchester Castle’s defensive and domestic layout ⓘ |
| locatedIn |
Portchester Castle Roman and medieval fortifications
NERFINISHED
ⓘ
Portchester, Hampshire, England NERFINISHED ⓘ |
| partOf | Portchester Castle NERFINISHED ⓘ |
| spatialRelation | lies within the perimeter of the Roman shore fort at Portchester ⓘ |
| topographicalFeature | large level enclosed area ⓘ |
| usedFor |
domestic and service functions of the castle
ⓘ
religious activities at St Mary’s Church ⓘ |
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: Portchester Castle outer bailey Description of subject: The Portchester Castle outer bailey is the large enclosed courtyard area within the Roman and medieval fortifications at Portchester, Hampshire, which contains structures such as St Mary’s Church and forms a key part of the historic castle complex.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
St Mary’s Church, Portchester