TZ Coordinator
E167596
The TZ Coordinator is the designated role responsible for overseeing and managing updates to the IANA Time Zone Database used worldwide in computing systems.
All labels observed (1)
| Label | Occurrences |
|---|---|
| TZ Coordinator canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1459809 — 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: TZ Coordinator Context triple: [RFC 6557, definesRoleOf, TZ Coordinator]
-
A.
TU9
TU9 is an alliance of nine leading German Institutes of Technology focused on engineering and natural sciences research and education.
-
B.
CYTZ
CYTZ is the ICAO airport code for Billy Bishop Toronto City Airport, a regional airport located on the Toronto Islands near downtown Toronto, Canada.
-
C.
TSO
TSO (The Stationery Office) is a major UK publishing and information services company known for producing and distributing official government and public sector documents.
-
D.
the T
The T is the public transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority.
-
E.
ZIA
ZIA is the IATA airport code for Zhukovsky International Airport, a commercial airport serving the Moscow region in Russia.
- 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: TZ Coordinator Target entity description: The TZ Coordinator is the designated role responsible for overseeing and managing updates to the IANA Time Zone Database used worldwide in computing systems.
-
A.
TU9
TU9 is an alliance of nine leading German Institutes of Technology focused on engineering and natural sciences research and education.
-
B.
CYTZ
CYTZ is the ICAO airport code for Billy Bishop Toronto City Airport, a regional airport located on the Toronto Islands near downtown Toronto, Canada.
-
C.
TSO
TSO (The Stationery Office) is a major UK publishing and information services company known for producing and distributing official government and public sector documents.
-
D.
the T
The T is the public transit system serving the Greater Boston area, operated by the Massachusetts Bay Transportation Authority.
-
E.
ZIA
ZIA is the IATA airport code for Zhukovsky International Airport, a commercial airport serving the Moscow region in Russia.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
maintainer role
ⓘ
technical role ⓘ |
| associatedWith |
IANA
ⓘ
IANA Time Zone Database project ⓘ
linked to:
IANA time zone database
|
| collaboratesWith |
governments and official sources of timekeeping changes
ⓘ
time zone database community ⓘ |
| communicatesVia | tz mailing list ⓘ |
| documentedIn | IANA time zone database documentation ⓘ |
| ensures |
backward compatibility of time zone identifiers where possible
ⓘ
technical quality of time zone database releases ⓘ timely incorporation of official time zone changes ⓘ |
| hasImpactOn |
scheduling and calendaring software behavior
ⓘ
time-related behavior of software systems worldwide ⓘ timestamp interpretation in computing systems ⓘ |
| hasScope | global time zone data used in computing systems ⓘ |
| manages | updates to the IANA Time Zone Database ⓘ |
| monitors |
daylight saving time rule changes
ⓘ
legislative changes affecting time zones ⓘ |
| operatesWithin | IANA time zone database procedures ⓘ |
| oversees |
IANA Time Zone Database
ⓘ
linked to:
IANA time zone database
|
| responsibleFor |
coordinating with contributors to the time zone database
ⓘ
ensuring accuracy of time zone rules ⓘ ensuring consistency of time zone identifiers ⓘ integrating accepted changes into the time zone database ⓘ maintaining current time zone data ⓘ maintaining future scheduled time zone changes ⓘ maintaining historical time zone data ⓘ publishing new time zone database releases ⓘ reviewing proposed time zone data changes ⓘ |
| selectedBy | IANA time zone community conventions ⓘ |
| usedBy |
application developers
ⓘ
database systems ⓘ operating system vendors ⓘ programming language runtimes ⓘ |
| worksOn |
time zone data
ⓘ
time zone release files ⓘ time zone rules ⓘ |
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: TZ Coordinator Description of subject: The TZ Coordinator is the designated role responsible for overseeing and managing updates to the IANA Time Zone Database used worldwide in computing systems.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.