EHN4
E137091
EHN4 is a large experimental hall in CERN’s North Area used for fixed-target and test-beam particle physics experiments served by the Super Proton Synchrotron.
All labels observed (1)
| Label | Occurrences |
|---|---|
| EHN4 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1166308 — 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: EHN4 Context triple: [North Area of CERN SPS, hasExperimentalHall, EHN4]
-
A.
EHN3
EHN3 is a large experimental hall in CERN’s North Area used primarily for fixed-target and test-beam particle physics experiments.
-
B.
EHN1
EHN1 is a large experimental hall in CERN’s North Area used for fixed-target and test-beam particle physics experiments served by the Super Proton Synchrotron.
-
C.
E(n)
E(n) is the Euclidean group of dimension n, consisting of all distance-preserving transformations (rotations, reflections, and translations) of n-dimensional Euclidean space.
-
D.
HN
HN is the two-letter ISO 3166-1 alpha-2 country code assigned to Honduras.
-
E.
NDH
NDH was the fascist puppet state established by the Axis powers in World War II on the territory of occupied Croatia and Bosnia and Herzegovina.
- 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: EHN4 Target entity description: EHN4 is a large experimental hall in CERN’s North Area used for fixed-target and test-beam particle physics experiments served by the Super Proton Synchrotron.
-
A.
EHN3
EHN3 is a large experimental hall in CERN’s North Area used primarily for fixed-target and test-beam particle physics experiments.
-
B.
EHN1
EHN1 is a large experimental hall in CERN’s North Area used for fixed-target and test-beam particle physics experiments served by the Super Proton Synchrotron.
-
C.
E(n)
E(n) is the Euclidean group of dimension n, consisting of all distance-preserving transformations (rotations, reflections, and translations) of n-dimensional Euclidean space.
-
D.
HN
HN is the two-letter ISO 3166-1 alpha-2 country code assigned to Honduras.
-
E.
NDH
NDH was the fascist puppet state established by the Axis powers in World War II on the territory of occupied Croatia and Bosnia and Herzegovina.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
experimental hall
ⓘ
particle physics facility ⓘ |
| country | Switzerland ⓘ |
| hasBeamSource |
SPS North Area beamlines
ⓘ
surface form:
SPS fixed-target beam lines
|
| hasBeamType | secondary particle beams ⓘ |
| hasFunction | provide experimental area for SPS secondary beams ⓘ |
| hasInfrastructure |
beam lines
ⓘ
control areas ⓘ data acquisition areas ⓘ detector support structures ⓘ experimental zones ⓘ shielding structures ⓘ |
| locatedIn |
CERN
ⓘ
North Area of CERN SPS ⓘ
surface form:
North Area of CERN
|
| near |
Meyrin
ⓘ
CERN Prevessin–Meyrin site ⓘ
surface form:
Prévessin site of CERN
|
| operatedBy | CERN ⓘ |
| partOf |
North Area of CERN SPS
ⓘ
surface form:
CERN North Area experimental facilities
CERN accelerator complex ⓘ |
| safetyClassification | radiation-controlled area ⓘ |
| servedBy | Super Proton Synchrotron ⓘ |
| supports |
beam instrumentation tests
ⓘ
calorimeter tests ⓘ detector test campaigns ⓘ radiation hardness studies ⓘ tracking detector tests ⓘ |
| usedBy |
CMS Collaboration
ⓘ
surface form:
CERN experimental collaborations
international user community ⓘ |
| usedFor |
fixed-target experiments
ⓘ
particle physics experiments ⓘ test-beam experiments ⓘ |
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: EHN4 Description of subject: EHN4 is a large experimental hall in CERN’s North Area used for fixed-target and test-beam particle physics experiments served by the Super Proton Synchrotron.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.