Rochester Castle
E411325
Rochester Castle is a Norman stone fortress in Rochester, Kent, England, renowned for its well-preserved great keep and its strategic role in medieval conflicts.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Rochester Castle canonical | 26 |
| Rochester Castle keep | 3 |
| Rochester Castle (early stone works) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4054530 — 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: Rochester Castle Context triple: [siege of Rochester Castle, hasLocation, Rochester Castle]
-
A.
Rye Castle
Rye Castle is a historic medieval fortification and former defensive tower in the town of Rye, East Sussex, England, now serving as a museum and local landmark.
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B.
Newark Castle
Newark Castle is a historic medieval fortress and later royal stronghold on the River Trent in Newark-on-Trent, England, now preserved as a notable heritage site and tourist attraction.
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C.
Durham Castle
Durham Castle is a Norman fortress in Durham, England, that now forms part of Durham University and serves as a college and historic landmark.
-
D.
Lancaster Castle
Lancaster Castle is a historic medieval fortress in Lancaster, England, long used as a seat of power and a prison, and notable for its role in English legal and political history.
-
E.
Rockingham Castle
Rockingham Castle is a historic fortified manor house in England, notable for its medieval origins, royal connections, and commanding views over the Welland Valley.
- 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: Rochester Castle Target entity description: Rochester Castle is a Norman stone fortress in Rochester, Kent, England, renowned for its well-preserved great keep and its strategic role in medieval conflicts.
-
A.
Rye Castle
Rye Castle is a historic medieval fortification and former defensive tower in the town of Rye, East Sussex, England, now serving as a museum and local landmark.
-
B.
Newark Castle
Newark Castle is a historic medieval fortress and later royal stronghold on the River Trent in Newark-on-Trent, England, now preserved as a notable heritage site and tourist attraction.
-
C.
Durham Castle
Durham Castle is a Norman fortress in Durham, England, that now forms part of Durham University and serves as a college and historic landmark.
-
D.
Lancaster Castle
Lancaster Castle is a historic medieval fortress in Lancaster, England, long used as a seat of power and a prison, and notable for its role in English legal and political history.
-
E.
Rockingham Castle
Rockingham Castle is a historic fortified manor house in England, notable for its medieval origins, royal connections, and commanding views over the Welland Valley.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Norman fortress
ⓘ
medieval castle ⓘ |
| architecturalStyle | Norman architecture ⓘ |
| builder |
Gundulf, Bishop of Rochester
ⓘ
linked to:
Gundulf of Rochester
|
| builtFor |
Bishop of Rochester
ⓘ
William de Corbeil ⓘ |
| category |
Castles in Kent
ⓘ
English Heritage sites in Kent ⓘ Ruined castles in England ⓘ |
| constructionEnd | early 12th century ⓘ |
| constructionStart | late 11th century ⓘ |
| continent | Europe ⓘ |
| coordinateLocation | 51.389°N 0.505°E ⓘ |
| country | England ⓘ |
| currentUse |
historical monument
ⓘ
tourist attraction ⓘ |
| era | Norman period ⓘ |
| floorPlan | square keep ⓘ |
| hasPart |
bailey
ⓘ
corner towers ⓘ curtain walls ⓘ gatehouse ⓘ great keep ⓘ |
| hasView |
River Medway
ⓘ
historic city of Rochester ⓘ |
| height | approximately 34 metres ⓘ |
| heritageDesignation |
Grade I listed building
ⓘ
Scheduled monument ⓘ |
| locatedInAdministrativeTerritorialEntity | Kent ⓘ |
| locatedOn | east bank of the River Medway ⓘ |
| location | Rochester, Kent, England ⓘ |
| managedBy | English Heritage ⓘ |
| materialUsed | stone ⓘ |
| nearby |
Rochester Bridge
ⓘ
Rochester Cathedral ⓘ |
| notableFor |
role in medieval conflicts
ⓘ
well-preserved Norman great keep ⓘ |
| numberOfStoreys | three main storeys plus basement and battlements ⓘ |
| openToPublic | true ⓘ |
| ownedBy | English Heritage ⓘ |
| significantEvent |
Siege of 1215
ⓘ
Siege of 1264 ⓘ |
| strategicImportance |
controlled crossing of the River Medway
ⓘ
guarded route between London and Dover ⓘ |
| usedFor |
administrative centre
ⓘ
military defence ⓘ royal stronghold ⓘ |
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: Rochester Castle Description of subject: Rochester Castle is a Norman stone fortress in Rochester, Kent, England, renowned for its well-preserved great keep and its strategic role in medieval conflicts.
Referenced by (30)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Rochester Castle
linked to: Rochester Castle
linked to: Rochester Castle
linked to: Rochester Castle