Chełmno extermination camp memorial site
E61101
The Chełmno extermination camp memorial site is a commemorative complex in Poland preserving the remains and memory of one of the first Nazi German death camps where mass killings of Jews and other victims were carried out during the Holocaust.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Muzeum Martyrologiczne w Chełmnie nad Nerem | 2 |
| Chełmno extermination camp memorial | 1 |
| Chełmno extermination camp memorial site canonical | 1 |
| Miejsce Pamięci w Chełmnie nad Nerem | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T481989 — 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: Chełmno extermination camp memorial site Context triple: [Chełmno extermination camp, memorial, Chełmno extermination camp memorial site]
-
A.
Bełżec memorial and museum
The Bełżec memorial and museum is a commemorative site and educational center in southeastern Poland that preserves the memory of the victims of the Nazi Bełżec extermination camp through exhibitions, documentation, and a large-scale memorial landscape.
-
B.
Majdanek
Majdanek was a Nazi German concentration and extermination camp located near Lublin, Poland, where tens of thousands of Jews and other prisoners were murdered during the Holocaust.
-
C.
AuschwitzBirkenau
Auschwitz-Birkenau was the largest and most infamous Nazi German concentration and extermination camp, where over a million Jews and other victims were systematically murdered during the Holocaust.
-
D.
Białystok Ghetto
The Białystok Ghetto was a World War II Jewish ghetto in Nazi-occupied Poland, known for its harsh conditions, resistance efforts, and the eventual deportation and murder of its inhabitants in extermination camps.
-
E.
Łódź Ghetto
The Łódź Ghetto was a major Nazi-established Jewish ghetto in occupied Poland, known for its harsh conditions, forced labor, and role as a key site in the Holocaust.
- 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: Chełmno extermination camp memorial site Target entity description: The Chełmno extermination camp memorial site is a commemorative complex in Poland preserving the remains and memory of one of the first Nazi German death camps where mass killings of Jews and other victims were carried out during the Holocaust.
-
A.
Bełżec memorial and museum
The Bełżec memorial and museum is a commemorative site and educational center in southeastern Poland that preserves the memory of the victims of the Nazi Bełżec extermination camp through exhibitions, documentation, and a large-scale memorial landscape.
-
B.
Majdanek
Majdanek was a Nazi German concentration and extermination camp located near Lublin, Poland, where tens of thousands of Jews and other prisoners were murdered during the Holocaust.
-
C.
AuschwitzBirkenau
Auschwitz-Birkenau was the largest and most infamous Nazi German concentration and extermination camp, where over a million Jews and other victims were systematically murdered during the Holocaust.
-
D.
Białystok Ghetto
The Białystok Ghetto was a World War II Jewish ghetto in Nazi-occupied Poland, known for its harsh conditions, resistance efforts, and the eventual deportation and murder of its inhabitants in extermination camps.
-
E.
Łódź Ghetto
The Łódź Ghetto was a major Nazi-established Jewish ghetto in occupied Poland, known for its harsh conditions, forced labor, and role as a key site in the Holocaust.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
Holocaust memorial site
ⓘ
memorial complex ⓘ museum ⓘ |
| access | open to the public ⓘ |
| category |
Nazi concentration and extermination camp memorials
ⓘ
World War II memorial in Poland ⓘ |
| commemorates |
Chelmno
ⓘ
surface form:
Chełmno extermination camp
Holocaust victims ⓘ Jewish victims of the Holocaust ⓘ Polish victims of Nazi persecution ⓘ Roma victims of the Holocaust ⓘ other victims of Nazi Germany ⓘ |
| country | Poland ⓘ |
| hasExhibition |
documentation of victims and deportations to Chełmno
ⓘ
permanent exhibition on the history of Chełmno extermination camp ⓘ |
| hasPart |
forest memorial area at Rzuchów
ⓘ
mass grave sites ⓘ memorial monuments ⓘ museum exhibition building ⓘ outdoor memorial plaques ⓘ remains of camp infrastructure locations ⓘ |
| hasVisitorCenter | yes ⓘ |
| heritageDesignation |
historic monument of Poland
ⓘ
national memorial ⓘ |
| inception | 1960s ⓘ |
| languageOfWorkOrName | Polish ⓘ |
| locatedIn | Chełmno nad Nerem ⓘ |
| locatedInAdministrativeTerritory |
Greater Poland Voivodeship
ⓘ
Koło County ⓘ |
| locatedInTime | site of former Chełmno extermination camp ⓘ |
| locatedNear |
Koło
ⓘ
Ner River ⓘ |
| locatedOn | grounds of former Nazi German death camp Kulmhof ⓘ |
| maintainedBy |
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
surface form:
Muzeum Martyrologiczne w Chełmnie nad Nerem
|
| memorialType | site-specific memorial at original crime scene ⓘ |
| namedAfter |
Chelmno
ⓘ
surface form:
Chełmno extermination camp
|
| officialName |
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
surface form:
Miejsce Pamięci w Chełmnie nad Nerem
|
| operator |
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
surface form:
Muzeum Martyrologiczne w Chełmnie nad Nerem
|
| ownedBy |
Republic of Poland
ⓘ
surface form:
Polish state
|
| partOf | network of Holocaust memorial sites in Poland ⓘ |
| purpose |
commemoration of victims of Chełmno extermination camp
ⓘ
education about the Holocaust ⓘ preservation of historical evidence of Nazi crimes ⓘ |
| significantEvent |
establishment of first memorials after World War II
ⓘ
later expansion and modernization of the museum exhibition ⓘ |
| subjectOf |
Holocaust remembrance ceremonies
ⓘ
guided educational programs ⓘ historical research ⓘ |
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: Chełmno extermination camp memorial site Description of subject: The Chełmno extermination camp memorial site is a commemorative complex in Poland preserving the remains and memory of one of the first Nazi German death camps where mass killings of Jews and other victims were carried out during the Holocaust.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Chełmno extermination camp
Chełmno extermination camp memorial site
→
operator
→
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
this entity surface form:
Muzeum Martyrologiczne w Chełmnie nad Nerem
Chełmno extermination camp memorial site
→
maintainedBy
→
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
this entity surface form:
Muzeum Martyrologiczne w Chełmnie nad Nerem
Chełmno extermination camp memorial site
→
officialName
→
Chełmno extermination camp memorial site
self-linksurface differs
ⓘ
this entity surface form:
Miejsce Pamięci w Chełmnie nad Nerem
this entity surface form:
Chełmno extermination camp memorial