RFC 6557 (tz database procedures)
E399925
RFC 6557 (tz database procedures) is an IETF document that defines the policies and processes for maintaining and updating the IANA time zone (tz) database.
All labels observed (1)
| Label | Occurrences |
|---|---|
| RFC 6557 (tz database procedures) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3938783 — 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: RFC 6557 (tz database procedures) Context triple: [America/Managua, standardReference, RFC 6557 (tz database procedures)]
-
A.
IANA time zone database
The IANA time zone database is a globally maintained, authoritative repository of time zone information used by most modern computer systems and software to handle local times and daylight saving rules.
-
B.
Zone Information Protocol
Zone Information Protocol is a network protocol used in AppleTalk to manage and distribute information about logical groupings of devices, known as zones, within an AppleTalk internetwork.
-
C.
2011 Russian time zone reform
The 2011 Russian time zone reform was a nationwide adjustment of Russia’s timekeeping system that significantly altered the number and configuration of the country’s time zones and daylight saving practices.
-
D.
2014 Russian time zone reform
The 2014 Russian time zone reform was a nationwide adjustment of Russia’s timekeeping system that changed the number, boundaries, and UTC offsets of its time zones, including the abolition of permanent daylight saving time.
-
E.
RFC 3339
RFC 3339 is an Internet standard that defines a simplified, unambiguous date and time format commonly used in internet protocols and data interchange.
- 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: RFC 6557 (tz database procedures) Target entity description: RFC 6557 (tz database procedures) is an IETF document that defines the policies and processes for maintaining and updating the IANA time zone (tz) database.
-
A.
IANA time zone database
The IANA time zone database is a globally maintained, authoritative repository of time zone information used by most modern computer systems and software to handle local times and daylight saving rules.
-
B.
Zone Information Protocol
Zone Information Protocol is a network protocol used in AppleTalk to manage and distribute information about logical groupings of devices, known as zones, within an AppleTalk internetwork.
-
C.
2011 Russian time zone reform
The 2011 Russian time zone reform was a nationwide adjustment of Russia’s timekeeping system that significantly altered the number and configuration of the country’s time zones and daylight saving practices.
-
D.
2014 Russian time zone reform
The 2014 Russian time zone reform was a nationwide adjustment of Russia’s timekeeping system that changed the number, boundaries, and UTC offsets of its time zones, including the abolition of permanent daylight saving time.
-
E.
RFC 3339
RFC 3339 is an Internet standard that defines a simplified, unambiguous date and time format commonly used in internet protocols and data interchange.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
IETF document
ⓘ
Request for Comments ⓘ |
| appliesTo |
IANA
ⓘ
IANA time zone database maintainers ⓘ tz database users ⓘ |
| area | Applications ⓘ |
| associatedRegistry |
IANA time zone database
ⓘ
surface form:
IANA Time Zone (TZ) Database
|
| bcpNumber | BCP 175 ⓘ |
| category | Best Current Practice ⓘ |
| concerns |
IANA registry management
ⓘ
time zone database governance ⓘ |
| defines |
policies for updating the IANA time zone database
ⓘ
procedures for maintaining the IANA time zone database ⓘ roles and responsibilities for tz database maintainers ⓘ |
| documentType | Best Current Practice (BCP) ⓘ |
| focusesOn | administrative procedures rather than time zone rules themselves ⓘ |
| format | text ⓘ |
| governs |
how changes to the tz database are proposed
ⓘ
how changes to the tz database are published ⓘ how changes to the tz database are reviewed ⓘ |
| hasURI | https://www.rfc-editor.org/rfc/rfc6557 ⓘ |
| intendedAudience |
IANA
ⓘ
surface form:
IANA operators
software developers using the tz database ⓘ tz database maintainers ⓘ |
| language | English ⓘ |
| obsoletes | RFC 2467 ⓘ |
| publishedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
Internet Engineering Task Force ⓘ |
| publishedIn | BCP 175 ⓘ |
| relatesTo |
IANA time zone database
ⓘ
time zone data distribution ⓘ IANA time zone database ⓘ
surface form:
tz database
|
| specifies |
procedures for handling time zone database corrections
ⓘ
procedures for handling time zone database disputes ⓘ requirements for IANA in managing the tz database ⓘ requirements for tz database maintainers ⓘ |
| standardizes |
change management procedures for the tz database
ⓘ
notification procedures for tz database updates ⓘ publication procedures for tz database releases ⓘ |
| status | Best Current Practice ⓘ |
| stream |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| title | Procedures for Maintaining the Time Zone Database ⓘ |
| topic |
IANA registries
ⓘ
Internet administration ⓘ time zones ⓘ |
| workingGroup |
IANA time zone database
ⓘ
surface form:
TZDIST (Time Zone Data Distribution Service)
|
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: RFC 6557 (tz database procedures) Description of subject: RFC 6557 (tz database procedures) is an IETF document that defines the policies and processes for maintaining and updating the IANA time zone (tz) database.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.