Sleaford Castle (remains)
E377950
Sleaford Castle (remains) is the ruined site of a medieval bishop’s castle in Sleaford, Lincolnshire, England, now visible mainly as earthworks and partial stone foundations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Sleaford Castle (remains) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3653993 — 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: Sleaford Castle (remains) Context triple: [Sleaford, hasLandmark, Sleaford Castle (remains)]
-
A.
Leicester Castle
Leicester Castle is a historic medieval stronghold in Leicester, England, notable as a royal residence and political center during the Middle Ages.
-
B.
Wisbech Castle
Wisbech Castle is a historic former fortress and later Georgian mansion in Wisbech, Cambridgeshire, known for its role as a prison for notable religious and political prisoners.
-
C.
Bolingbroke Castle
Bolingbroke Castle is a medieval fortification in Lincolnshire, England, best known as the birthplace and ancestral seat of King Henry IV.
-
D.
Framlingham Castle
Framlingham Castle is a well-preserved medieval fortress in Suffolk, England, notable for its curtain walls and its association with Mary Tudor, who was proclaimed Queen there in 1553.
-
E.
Shrewsbury Castle
Shrewsbury Castle is a historic red sandstone fortress in Shrewsbury, Shropshire, notable for its Norman origins and its role in the town’s medieval defenses.
- 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: Sleaford Castle (remains) Target entity description: Sleaford Castle (remains) is the ruined site of a medieval bishop’s castle in Sleaford, Lincolnshire, England, now visible mainly as earthworks and partial stone foundations.
-
A.
Leicester Castle
Leicester Castle is a historic medieval stronghold in Leicester, England, notable as a royal residence and political center during the Middle Ages.
-
B.
Wisbech Castle
Wisbech Castle is a historic former fortress and later Georgian mansion in Wisbech, Cambridgeshire, known for its role as a prison for notable religious and political prisoners.
-
C.
Bolingbroke Castle
Bolingbroke Castle is a medieval fortification in Lincolnshire, England, best known as the birthplace and ancestral seat of King Henry IV.
-
D.
Framlingham Castle
Framlingham Castle is a well-preserved medieval fortress in Suffolk, England, notable for its curtain walls and its association with Mary Tudor, who was proclaimed Queen there in 1553.
-
E.
Shrewsbury Castle
Shrewsbury Castle is a historic red sandstone fortress in Shrewsbury, Shropshire, notable for its Norman origins and its role in the town’s medieval defenses.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological site
ⓘ
castle ruins ⓘ scheduled monument ⓘ |
| access | open to public ⓘ |
| builder | Alexander of Lincoln ⓘ |
| builderOccupation | Bishop of Lincoln ⓘ |
| builtFor |
Bishop of Lincoln
ⓘ
surface form:
Bishops of Lincoln
|
| category |
Castles in Lincolnshire
ⓘ
Ruined castles in England ⓘ Scheduled monuments in Lincolnshire ⓘ |
| condition | ruined ⓘ |
| constructionEnd | early 12th century ⓘ |
| constructionStart | c. 1120s ⓘ |
| country | United Kingdom ⓘ |
| currentUse |
heritage site
ⓘ
public open space ⓘ |
| declinePeriod | 16th century ⓘ |
| era | Norman period ⓘ |
| feature |
earthworks
ⓘ
inner bailey ⓘ moat ⓘ outer bailey ⓘ stone foundations ⓘ |
| gridReference | TF 069 457 ⓘ |
| hasRemainsOf |
curtain wall
ⓘ
domestic buildings ⓘ gatehouse ⓘ |
| heritageDesignation | Scheduled Monument ⓘ |
| heritageDesignationAuthority | Historic England ⓘ |
| heritageDesignationCountry | England ⓘ |
| historicCounty | Lincolnshire ⓘ |
| locatedIn |
England
ⓘ
Lincolnshire ⓘ Sleaford ⓘ |
| material |
earth
ⓘ
stone ⓘ |
| municipality |
North Kesteven district
ⓘ
surface form:
North Kesteven
|
| nearbyWaterway | River Slea ⓘ |
| originalFunction |
bishop’s palace
ⓘ
fortified residence ⓘ |
| ownership | public ⓘ |
| period | medieval ⓘ |
| region | East Midlands ⓘ |
| usedAs | residence of Bishops of Lincoln ⓘ |
| visibleAs |
earthworks
ⓘ
partial stone foundations ⓘ |
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: Sleaford Castle (remains) Description of subject: Sleaford Castle (remains) is the ruined site of a medieval bishop’s castle in Sleaford, Lincolnshire, England, now visible mainly as earthworks and partial stone foundations.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.