Altena
E403773
Altena is a town in western Germany’s North Rhine-Westphalia region, known for its historic hilltop castle and role in the industrial and cultural history of the Sauerland area.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Altena canonical | 7 |
| municipality of Altena | 1 |
| town of Altena | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3774725 — 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: Altena Context triple: [County of Mark, hasTown, Altena]
-
A.
Fürstenwalde
Fürstenwalde is a town in eastern Germany’s Brandenburg region, known for its location on the River Spree and its historic churches and medieval architecture.
-
B.
Weiterstadt
Weiterstadt is a town in the German state of Hesse, located near Darmstadt and known for its residential areas and commercial centers.
-
C.
Salzwedel
Salzwedel is a historic town in the German state of Saxony-Anhalt, known for its medieval architecture and as the birthplace of Jenny von Westphalen, the wife of Karl Marx.
-
D.
Hasselwerder
Hasselwerder is a small island located in Lake Tegel in Berlin, Germany.
-
E.
Genthin
Genthin is a small town in the German state of Saxony-Anhalt, historically part of Prussia and known for its location along the Elbe–Havel Canal.
- 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: Altena Target entity description: Altena is a town in western Germany’s North Rhine-Westphalia region, known for its historic hilltop castle and role in the industrial and cultural history of the Sauerland area.
-
A.
Fürstenwalde
Fürstenwalde is a town in eastern Germany’s Brandenburg region, known for its location on the River Spree and its historic churches and medieval architecture.
-
B.
Weiterstadt
Weiterstadt is a town in the German state of Hesse, located near Darmstadt and known for its residential areas and commercial centers.
-
C.
Salzwedel
Salzwedel is a historic town in the German state of Saxony-Anhalt, known for its medieval architecture and as the birthplace of Jenny von Westphalen, the wife of Karl Marx.
-
D.
Hasselwerder
Hasselwerder is a small island located in Lake Tegel in Berlin, Germany.
-
E.
Genthin
Genthin is a small town in the German state of Saxony-Anhalt, historically part of Prussia and known for its location along the Elbe–Havel Canal.
- F. None of above. chosen
Statements (32)
| Predicate | Object |
|---|---|
| instanceOf |
castle
ⓘ
municipality ⓘ museum ⓘ town ⓘ |
| areaCode | 02352 ⓘ |
| country | Germany ⓘ |
| hasAttraction | Deutsches Drahtmuseum ⓘ |
| hasIndustry |
metalworking
ⓘ
steel processing ⓘ wire production ⓘ |
| hasLandmark |
Altena Castle
ⓘ
surface form:
Burg Altena
|
| hasRiver | Lenne ⓘ |
| hasStructure | pedestrian suspension bridge over the Lenne ⓘ |
| hasTransport | railway station Altena (Westf) ⓘ |
| historicalRegion | County of Mark ⓘ |
| knownFor |
cultural history of Sauerland
ⓘ
historic hilltop castle ⓘ industrial history of Sauerland ⓘ |
| language | German ⓘ |
| locatedIn |
Altena
self-linksurface differs
ⓘ
Märkischer Kreis ⓘ North Rhine-Westphalia ⓘ Sauerland ⓘ western Germany ⓘ |
| locatedOn |
hilltop
ⓘ
river Lenne ⓘ |
| partOf | Arnsberg region ⓘ |
| postalCode | 58762 ⓘ |
| regionCode | DE-NW ⓘ |
| timeZone | CET ⓘ |
| timeZoneDST | CEST ⓘ |
| vehicleRegistrationCode | MK ⓘ |
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: Altena Description of subject: Altena is a town in western Germany’s North Rhine-Westphalia region, known for its historic hilltop castle and role in the industrial and cultural history of the Sauerland area.
Referenced by (9)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
municipality of Altena
this entity surface form:
town of Altena