.ch
E31681
.ch is the country code top-level domain (ccTLD) for Switzerland, derived from the Latin name "Confoederatio Helvetica."
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T245630 — 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: .ch Context triple: [Switzerland, internetTLD, .ch]
-
A.
ChST
ChST is the time zone used in Guam and the Northern Mariana Islands, which is 10 hours ahead of Coordinated Universal Time (UTC+10).
-
B.
Chan
Chan is a common Chinese surname shared by many notable individuals across various fields worldwide.
-
C.
nde
nde is the ISO 639-2 code for Northern Ndebele, a Bantu language spoken primarily in Zimbabwe.
-
D.
.ng
.ng is the country code top-level domain (ccTLD) assigned to Nigeria for use in its internet addresses.
-
E.
BCCh
BCCh is the acronym for the Central Bank of Chile, the country’s autonomous monetary authority responsible for maintaining price stability and financial system soundness.
- 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: .ch Target entity description: .ch is the country code top-level domain (ccTLD) for Switzerland, derived from the Latin name "Confoederatio Helvetica."
-
A.
ChST
ChST is the time zone used in Guam and the Northern Mariana Islands, which is 10 hours ahead of Coordinated Universal Time (UTC+10).
-
B.
Chan
Chan is a common Chinese surname shared by many notable individuals across various fields worldwide.
-
C.
nde
nde is the ISO 639-2 code for Northern Ndebele, a Bantu language spoken primarily in Zimbabwe.
-
D.
.ng
.ng is the country code top-level domain (ccTLD) assigned to Nigeria for use in its internet addresses.
-
E.
BCCh
BCCh is the acronym for the Central Bank of Chile, the country’s autonomous monetary authority responsible for maintaining price stability and financial system soundness.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
country code top-level domain
ⓘ
internet domain ⓘ top-level domain ⓘ |
| actualUse |
also used for domain hacks
ⓘ
very popular in Switzerland ⓘ |
| associatedLanguage |
French
ⓘ
German ⓘ Italian ⓘ Romansh ⓘ
linked to:
Romansh language
|
| associatedWith |
Swiss Confederation
ⓘ
linked to:
Switzerland
|
| category | Internet infrastructure ⓘ |
| ccTLDFor | Switzerland ⓘ |
| country | Switzerland ⓘ |
| derivedFrom |
Confoederatio Helvetica
ⓘ
linked to:
Switzerland
|
| derivedFromLanguage | Latin ⓘ |
| DNSSEC | supported ⓘ |
| exampleDomain |
admin.ch
ⓘ
ethz.ch ⓘ swisscom.ch ⓘ |
| governingBody | SWITCH ⓘ |
| governingLawJurisdiction | Switzerland ⓘ |
| ICANNDesignation | country-code top-level domain ⓘ |
| IDN | supported ⓘ |
| intendedUse | entities connected with Switzerland ⓘ |
| introduced | 1987-05-20 ⓘ |
| introducedYear | 1987 ⓘ |
| ISO3166CodeBasis | CH ⓘ |
| managingOrganization | SWITCH ⓘ |
| meaning | Confoederatio Helvetica abbreviation ⓘ |
| region | Europe ⓘ |
| registrationRestrictions | none for general registrations ⓘ |
| registry | SWITCH ⓘ |
| RFCReference | RFC 1591 ⓘ |
| secondLevelRegistration | allowed ⓘ |
| sponsor | SWITCH ⓘ |
| sponsoringOrganizationCountry | Switzerland ⓘ |
| sponsoringOrganizationLocation | Zurich ⓘ |
| status | active ⓘ |
| technicalRegistryOperator | SWITCH ⓘ |
| thirdLevelRegistration | possible under some second-level domains ⓘ |
| type | ccTLD ⓘ |
| usedBy |
Swiss businesses
ⓘ
Swiss government ⓘ
linked to:
Swiss federal government
Swiss residents ⓘ |
| zoneFile | publicly available ⓘ |
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: .ch Description of subject: .ch is the country code top-level domain (ccTLD) for Switzerland, derived from the Latin name "Confoederatio Helvetica."
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: .ch
linked to: .ch
linked to: .ch
linked to: .ch
linked to: .ch
linked to: .ch
linked to: .ch
linked to: .ch
subject linked to:
Confoederatio Helvetica (Swiss Confederation)
linked to: .ch
linked to: .ch