Project Y
E8983
Project Y was the secret codename for the Los Alamos Laboratory, the central research site of the Manhattan Project where the first atomic bombs were designed and built during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Project Y canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T57148 — 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: Project Y Context triple: [Los Alamos Laboratory, codeName, Project Y]
-
A.
Project Xanadu
Project Xanadu is an early, visionary hypertext project conceived by Ted Nelson that aimed to create a universal, non-destructive, and bidirectionally linked document publishing system.
-
B.
B Reactor
B Reactor is the world’s first full-scale plutonium production reactor, built during the Manhattan Project at the Hanford Site in Washington State.
-
C.
Project Ozma
Project Ozma was the pioneering 1960 radio astronomy experiment led by Frank Drake that marked the beginning of the modern scientific search for extraterrestrial intelligence.
-
D.
H Reactor
H Reactor was one of the plutonium-producing nuclear reactors at the Hanford Site in Washington, built during the Cold War as part of the U.S. nuclear weapons program.
-
E.
D Reactor
D Reactor was one of the early plutonium production reactors at the Hanford Site in Washington, built during the Manhattan Project to support the U.S. nuclear weapons program.
- 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: Project Y Target entity description: Project Y was the secret codename for the Los Alamos Laboratory, the central research site of the Manhattan Project where the first atomic bombs were designed and built during World War II.
-
A.
Project Xanadu
Project Xanadu is an early, visionary hypertext project conceived by Ted Nelson that aimed to create a universal, non-destructive, and bidirectionally linked document publishing system.
-
B.
B Reactor
B Reactor is the world’s first full-scale plutonium production reactor, built during the Manhattan Project at the Hanford Site in Washington State.
-
C.
Project Ozma
Project Ozma was the pioneering 1960 radio astronomy experiment led by Frank Drake that marked the beginning of the modern scientific search for extraterrestrial intelligence.
-
D.
H Reactor
H Reactor was one of the plutonium-producing nuclear reactors at the Hanford Site in Washington, built during the Cold War as part of the U.S. nuclear weapons program.
-
E.
D Reactor
D Reactor was one of the early plutonium production reactors at the Hanford Site in Washington, built during the Manhattan Project to support the U.S. nuclear weapons program.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
World War II project
ⓘ
research project ⓘ secret codename ⓘ |
| associatedTechnology |
gun-type nuclear weapon
ⓘ
implosion-type nuclear weapon ⓘ plutonium bomb design ⓘ uranium bomb design ⓘ |
| codenameFor | Los Alamos Laboratory ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| director | J. Robert Oppenheimer ⓘ |
| employer |
U.S. Army Corps of Engineers
ⓘ
surface form:
United States Army Corps of Engineers
|
| endYear | 1945 ⓘ |
| field |
nuclear physics
ⓘ
weapons engineering ⓘ |
| focus |
experimental physics research
ⓘ
nuclear weapons development ⓘ ordnance engineering ⓘ theoretical physics research ⓘ |
| governedBy | United States government ⓘ |
| historicalImpact |
contribution to end of World War II
ⓘ
development of first nuclear weapons ⓘ |
| involvedScientist |
Edward Teller
ⓘ
Emilio Segrè ⓘ Enrico Fermi ⓘ George Kistiakowsky ⓘ Hans Bethe ⓘ John von Neumann ⓘ Klaus Fuchs ⓘ Niels Bohr ⓘ Richard Feynman ⓘ Seth Neddermeyer ⓘ Stanislaw Ulam ⓘ |
| location | Los Alamos, New Mexico ⓘ |
| militaryDirector | Leslie R. Groves Jr. ⓘ |
| notableEvent |
Trinity test device
ⓘ
surface form:
Trinity nuclear test
|
| notableProject |
Fat Man
ⓘ
Little Boy ⓘ |
| operatedBy |
University of California system
ⓘ
surface form:
University of California
|
| partOf | Manhattan Project ⓘ |
| purpose |
construction of atomic bombs
ⓘ
design of atomic bombs ⓘ |
| relatedProgram | Project Alberta ⓘ |
| relatedSite |
Hanford Site, Washington
ⓘ
surface form:
Hanford Site
Oak Ridge Reservation ⓘ
surface form:
Oak Ridge
|
| securityClassification | Top Secret ⓘ |
| startYear | 1943 ⓘ |
| successor |
Los Alamos Laboratory
ⓘ
surface form:
Los Alamos National Laboratory
|
| timePeriod | World War II ⓘ |
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: Project Y Description of subject: Project Y was the secret codename for the Los Alamos Laboratory, the central research site of the Manhattan Project where the first atomic bombs were designed and built during World War II.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.