Tiergartenstrasse 4
E204464
Tiergartenstrasse 4 was the Berlin address of the central office that coordinated the Nazi regime’s Aktion T4 forced euthanasia program.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tiergartenstrasse 4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1816076 — 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: Tiergartenstrasse 4 Context triple: [Aktion T4, namedAfter, Tiergartenstrasse 4]
-
A.
Viktoria-Luise-Platz
Viktoria-Luise-Platz is a historic, park-like square and U-Bahn station area in Berlin known for its distinctive circular layout and surrounding early 20th-century architecture.
-
B.
Ballhausplatz
Ballhausplatz is a historic square in central Vienna that serves as the location of the Austrian Federal Chancellery and a key center of the country’s political administration.
-
C.
Kurt-Schumacher-Platz
Kurt-Schumacher-Platz is an underground station on Berlin’s U-Bahn network serving the Reinickendorf district in the north of the city.
-
D.
Tiergarten
Tiergarten is a large central park in Berlin known for its expansive green spaces, monuments, and cultural landmarks.
-
E.
Odeonsplatz
Odeonsplatz is a large historic square in central Munich, Germany, known for its grand architecture and role as a prominent cultural and political gathering place.
- 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: Tiergartenstrasse 4 Target entity description: Tiergartenstrasse 4 was the Berlin address of the central office that coordinated the Nazi regime’s Aktion T4 forced euthanasia program.
-
A.
Viktoria-Luise-Platz
Viktoria-Luise-Platz is a historic, park-like square and U-Bahn station area in Berlin known for its distinctive circular layout and surrounding early 20th-century architecture.
-
B.
Ballhausplatz
Ballhausplatz is a historic square in central Vienna that serves as the location of the Austrian Federal Chancellery and a key center of the country’s political administration.
-
C.
Kurt-Schumacher-Platz
Kurt-Schumacher-Platz is an underground station on Berlin’s U-Bahn network serving the Reinickendorf district in the north of the city.
-
D.
Tiergarten
Tiergarten is a large central park in Berlin known for its expansive green spaces, monuments, and cultural landmarks.
-
E.
Odeonsplatz
Odeonsplatz is a large historic square in central Munich, Germany, known for its grand architecture and role as a prominent cultural and political gathering place.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
building
ⓘ
street address ⓘ |
| associatedWith |
Adolf Hitler
ⓘ
Karl Brandt ⓘ Nazi euthanasia program ⓘ Philipp Bouhler NERFINISHED ⓘ Viktor Brack ⓘ crimes against humanity ⓘ mass murder of disabled people ⓘ |
| category |
Aktion T4
ⓘ
linked to:
Aktion T4 euthanasia program
Holocaust locations in Germany ⓘ Nazi architecture in Berlin ⓘ |
| cityDistrict |
Tiergarten district of Berlin
ⓘ
linked to:
Berlin-Mitte locality
|
| coordinateProgram |
Aktion T4
ⓘ
linked to:
Aktion T4 euthanasia program
|
| country | Germany ⓘ |
| currentUse | memorial site and information center ⓘ |
| endUse | 1941 ⓘ |
| estimatedVictims | at least 70000 people in 1939–1941 phase ⓘ |
| function |
bureaucratic processing of euthanasia cases
ⓘ
coordination of transport to killing centers ⓘ planning of killings in psychiatric institutions ⓘ |
| heritageStatus | site of remembrance ⓘ |
| historicalPeriod | Nazi Germany ⓘ |
| languageOfName | German ⓘ |
| locatedIn |
Berlin
ⓘ
Berlin-Tiergarten ⓘ
linked to:
Tiergarten
Mitte ⓘ Tiergarten ⓘ |
| memorial | T4 Memorial for the Victims of the Nazi Euthanasia Program ⓘ |
| memorialInauguration | 2014 ⓘ |
| nameMeaning | Tiergarten Street 4 ⓘ |
| partOf |
Aktion T4 administration network
ⓘ
linked to:
Aktion T4 euthanasia program
|
| relatedEvent |
Holocaust
ⓘ
Nazi medical crimes ⓘ |
| startUse | 1939 ⓘ |
| street | Tiergartenstraße ⓘ |
| usedBy |
Kanzlei des Führers
ⓘ
Nazi regime ⓘ
linked to:
Nazi Germany
Reich Chancellery ⓘ central office of Aktion T4 ⓘ
linked to:
Aktion T4 euthanasia program
|
| usedFor | coordination of Nazi forced euthanasia program ⓘ |
| victimGroup |
institutionalized people
ⓘ
people with disabilities ⓘ psychiatric patients ⓘ |
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: Tiergartenstrasse 4 Description of subject: Tiergartenstrasse 4 was the Berlin address of the central office that coordinated the Nazi regime’s Aktion T4 forced euthanasia program.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Aktion T4 euthanasia program