Millbrook estate
E709185
Millbrook estate is a historic property in Millbrook, New York, best known as the 1960s headquarters of Timothy Leary’s psychedelic research community and a focal point of the counterculture movement.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Millbrook estate canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8027647 — 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: Millbrook estate Context triple: [High Priest, featuresLocation, Millbrook estate]
-
A.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
B.
Lucerne Hall
Lucerne Hall is a prominent concert and event venue within the Culture and Convention Centre Lucerne, renowned for its acoustics and role in hosting major cultural performances.
-
C.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
-
D.
Blue Hall
Blue Hall is the grand main hall of Stockholm City Hall, best known as the venue for the annual Nobel Prize banquet.
-
E.
Blue Hall
Blue Hall is an ornately decorated ceremonial room within Tehran’s historic Niavaran Palace complex, noted for its rich blue-themed interior and use in official receptions.
- 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: Millbrook estate Target entity description: Millbrook estate is a historic property in Millbrook, New York, best known as the 1960s headquarters of Timothy Leary’s psychedelic research community and a focal point of the counterculture movement.
-
A.
Locust Grove Estate
Locust Grove Estate is a historic Hudson River–valley property in Poughkeepsie, New York, best known as the Italianate villa and former home of telegraph inventor Samuel F. B. Morse, now operated as a museum and landscaped estate.
-
B.
Lucerne Hall
Lucerne Hall is a prominent concert and event venue within the Culture and Convention Centre Lucerne, renowned for its acoustics and role in hosting major cultural performances.
-
C.
Rockcliffe Mansion
Rockcliffe Mansion is a historic Gilded Age mansion and museum in Hannibal, Missouri, known for its grand architecture and period interiors.
-
D.
Blue Hall
Blue Hall is the grand main hall of Stockholm City Hall, best known as the venue for the annual Nobel Prize banquet.
-
E.
Blue Hall
Blue Hall is an ornately decorated ceremonial room within Tehran’s historic Niavaran Palace complex, noted for its rich blue-themed interior and use in official receptions.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
country estate
ⓘ
historic property ⓘ |
| associatedWith |
1960s counterculture
ⓘ
Ralph Metzner NERFINISHED ⓘ Richard Alpert NERFINISHED ⓘ Timothy Leary NERFINISHED ⓘ psychedelic research community ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasCulturalSignificance |
landmark of American counterculture history
ⓘ
symbol of 1960s psychedelic culture ⓘ |
| hasFunction |
residential estate
ⓘ
site of psychological experimentation ⓘ site of spiritual experimentation ⓘ |
| hasNotableResident |
Timothy Leary
NERFINISHED
ⓘ
members of Leary’s psychedelic community ⓘ |
| historicalPeriod | 1960s ⓘ |
| knownFor |
LSD experimentation
ⓘ
association with the counterculture movement of the 1960s ⓘ being the 1960s headquarters of Timothy Leary’s psychedelic research community ⓘ experiments with psychedelic drugs ⓘ |
| locatedIn |
Dutchess County
ⓘ
surface form:
Dutchess County, New York
Millbrook, New York NERFINISHED ⓘ New York State NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| partOf | Hudson Valley region NERFINISHED ⓘ |
| subjectOf |
books about Timothy Leary
ⓘ
documentaries on psychedelic culture ⓘ historical studies of the 1960s counterculture ⓘ |
| usedAs |
communal living space
ⓘ
counterculture commune ⓘ research center for psychedelic studies ⓘ |
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: Millbrook estate Description of subject: Millbrook estate is a historic property in Millbrook, New York, best known as the 1960s headquarters of Timothy Leary’s psychedelic research community and a focal point of the counterculture movement.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.