High Energy Accelerator Research Organization (KEK)
E422023
accelerator laboratory
inter-university research institute
national research institute
particle physics laboratory
The High Energy Accelerator Research Organization (KEK) is Japan’s premier national laboratory for particle physics and accelerator science, conducting fundamental research into the structure of matter and the universe.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T4214754 — 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: High Energy Accelerator Research Organization (KEK) Context triple: [Tsukuba, hasInstitution, High Energy Accelerator Research Organization (KEK)]
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A.
Nishina Laboratory
Nishina Laboratory is a pioneering Japanese nuclear and particle physics research facility established in the early 20th century and closely associated with the development of modern physics in Japan.
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B.
RIKEN
RIKEN is Japan’s largest comprehensive research institution, renowned for its cutting-edge work in physics, chemistry, biology, medical science, and engineering.
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C.
Institute for Cosmic Ray Research
The Institute for Cosmic Ray Research is a Japanese research institute at the University of Tokyo renowned for its pioneering work in cosmic rays, neutrino physics, and astroparticle physics.
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D.
Nishina Memorial Foundation
The Nishina Memorial Foundation is a Japanese organization dedicated to promoting advances in physics, particularly in nuclear and particle physics, through research support and prestigious awards.
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E.
Research Center for Nuclear Physics
The Research Center for Nuclear Physics is a leading Japanese institute specializing in experimental and theoretical nuclear physics research and advanced accelerator-based studies.
- 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: High Energy Accelerator Research Organization (KEK) Target entity description: The High Energy Accelerator Research Organization (KEK) is Japan’s premier national laboratory for particle physics and accelerator science, conducting fundamental research into the structure of matter and the universe.
-
A.
Nishina Laboratory
Nishina Laboratory is a pioneering Japanese nuclear and particle physics research facility established in the early 20th century and closely associated with the development of modern physics in Japan.
-
B.
RIKEN
RIKEN is Japan’s largest comprehensive research institution, renowned for its cutting-edge work in physics, chemistry, biology, medical science, and engineering.
-
C.
Institute for Cosmic Ray Research
The Institute for Cosmic Ray Research is a Japanese research institute at the University of Tokyo renowned for its pioneering work in cosmic rays, neutrino physics, and astroparticle physics.
-
D.
Nishina Memorial Foundation
The Nishina Memorial Foundation is a Japanese organization dedicated to promoting advances in physics, particularly in nuclear and particle physics, through research support and prestigious awards.
-
E.
Research Center for Nuclear Physics
The Research Center for Nuclear Physics is a leading Japanese institute specializing in experimental and theoretical nuclear physics research and advanced accelerator-based studies.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
accelerator laboratory
ⓘ
inter-university research institute ⓘ national research institute ⓘ particle physics laboratory ⓘ |
| abbreviation | KEK ONNED1 ⓘ |
| alsoKnownAs | KEK High Energy Accelerator Research Organization NERFINISHED ⓘ |
| collaboratesWith |
CERN
ONNED1
ⓘ
Japan Atomic Energy Agency ONNED1 ⓘ international universities and laboratories ⓘ |
| country | Japan ⓘ |
| employs |
engineers
ⓘ
physicists ⓘ technicians ⓘ |
| fieldOfWork |
accelerator physics
ⓘ
astroparticle physics ⓘ computational science ⓘ materials science ⓘ nuclear physics ⓘ particle physics ⓘ synchrotron radiation science ⓘ |
| foundedBy | Japanese government NERFINISHED ⓘ |
| hasFacility |
J-PARC (Japan Proton Accelerator Research Complex)
ONNED1
ⓘ
KEKB accelerator ONNED1 ⓘ Photon Factory Advanced Ring (PF-AR) ONNED1 ⓘ Photon Factory synchrotron radiation facility ONNED1 ⓘ SuperKEKB accelerator NERFINISHED ⓘ |
| headquartersLocation | Tsukuba, Ibaraki Prefecture, Japan NERFINISHED ⓘ |
| locatedIn | Tsukuba, Ibaraki Prefecture, Japan NERFINISHED ⓘ |
| mission |
conduct fundamental research into the structure of matter and the universe
ⓘ
develop and operate high-energy particle accelerators ⓘ provide accelerator facilities to university researchers ⓘ |
| nativeName | 高エネルギー加速器研究機構 ONNED1 ⓘ |
| notableExperiment |
Belle II experiment
NERFINISHED
ⓘ
Belle experiment ONNED1 ⓘ |
| operatedBy | Inter-University Research Institute Corporation High Energy Accelerator Research Organization ONNED1 ⓘ |
| operates |
J-PARC (jointly with JAEA)
ONNED1
ⓘ
Photon Factory synchrotron radiation facility NERFINISHED ⓘ SuperKEKB accelerator NERFINISHED ⓘ |
| parentOrganization | Research Organization of Information and Systems ONNED1 ⓘ |
| predecessor |
Institute for Nuclear Study, University of Tokyo
ONNED1
ⓘ
National Laboratory for High Energy Physics ONNED1 ⓘ |
| provides | user facilities for domestic and international researchers ⓘ |
| researchArea |
CP violation in B meson system
ⓘ
accelerator technology development ⓘ hadron physics ⓘ lattice QCD ⓘ neutrino physics ⓘ quark flavor physics ⓘ |
| website | https://www.kek.jp/ ⓘ |
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: High Energy Accelerator Research Organization (KEK) Description of subject: The High Energy Accelerator Research Organization (KEK) is Japan’s premier national laboratory for particle physics and accelerator science, conducting fundamental research into the structure of matter and the universe.
Referenced by (13)
Full triples — surface form annotated when it differs from this entity's canonical label.
Tsukuba, Ibaraki Prefecture, Japan
→
hasInstitution
→
High Energy Accelerator Research Organization (KEK)
ⓘ
subject surface form:
Tsukuba
this entity surface form:
SuperKEKB experiment
this entity surface form:
KEK
this entity surface form:
High Energy Accelerator Research Organization KEK
this entity surface form:
High Energy Accelerator Research Organization
this entity surface form:
KEK
subject surface form:
Department of Physics, University of Tokyo
this entity surface form:
KEK High Energy Accelerator Research Organization
Institute for Cosmic Ray Research
→
collaboratesWith
→
High Energy Accelerator Research Organization (KEK)
ⓘ
this entity surface form:
KEK High Energy Accelerator Research Organization
this entity surface form:
KEK High Energy Accelerator Research Organization
this entity surface form:
KEK
this entity surface form:
High Energy Accelerator Research Organization
subject surface form:
Makoto Kobayashi
this entity surface form:
KEK