CalDAV
E72241
CalDAV is an open standard protocol that allows clients to access, manage, and synchronize calendar data on a remote server over WebDAV.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T576290 — 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: CalDAV Context triple: [Google Calendar, supportsProtocol, CalDAV]
-
A.
iCalendar
iCalendar is a widely used open standard file format for exchanging calendar and scheduling information across different applications and services.
-
B.
Google Calendar
Google Calendar is a time-management and scheduling service by Google that lets users create, share, and manage events and reminders across devices.
-
C.
Sun Java System Calendar Server
Sun Java System Calendar Server is an enterprise-grade calendaring and scheduling server software designed to provide shared calendars, resource booking, and group scheduling capabilities within large organizations.
-
D.
Lotus Notes
Lotus Notes is a collaborative client-server software platform best known for its email, calendaring, and business application capabilities, widely used in enterprises for groupware and workflow solutions.
-
E.
Google Contacts
Google Contacts is a contact management service by Google that stores and syncs users’ personal and professional contact information across Google’s apps and devices.
- 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: CalDAV Target entity description: CalDAV is an open standard protocol that allows clients to access, manage, and synchronize calendar data on a remote server over WebDAV.
-
A.
iCalendar
iCalendar is a widely used open standard file format for exchanging calendar and scheduling information across different applications and services.
-
B.
Google Calendar
Google Calendar is a time-management and scheduling service by Google that lets users create, share, and manage events and reminders across devices.
-
C.
Sun Java System Calendar Server
Sun Java System Calendar Server is an enterprise-grade calendaring and scheduling server software designed to provide shared calendars, resource booking, and group scheduling capabilities within large organizations.
-
D.
Lotus Notes
Lotus Notes is a collaborative client-server software platform best known for its email, calendaring, and business application capabilities, widely used in enterprises for groupware and workflow solutions.
-
E.
Google Contacts
Google Contacts is a contact management service by Google that stores and syncs users’ personal and professional contact information across Google’s apps and devices.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
calendar access protocol
ⓘ
network protocol ⓘ open standard ⓘ |
| authenticationMechanism |
HTTP Basic authentication
ⓘ
HTTP Digest authentication ⓘ TLS client certificate authentication ⓘ |
| basedOn | WebDAV ⓘ |
| category | application layer protocol ⓘ |
| definedIn | RFC 4791 ⓘ |
| domain | calendar interoperability ⓘ |
| extends | WebDAV ⓘ |
| fullName |
Calendaring Extensions to WebDAV
ⓘ
linked to:
CalDAV
|
| publicationYear | 2007 ⓘ |
| relatedStandard |
CardDAV
ⓘ
WebDAV ⓘ |
| securityProtocol | TLS ⓘ |
| standardizedBy |
IETF
ⓘ
linked to:
Internet Engineering Task Force
|
| status | Internet standard ⓘ |
| supportsDataType |
calendar events
ⓘ
iCalendar data ⓘ to-do items ⓘ |
| supportsFeature |
access control
ⓘ
calendar sharing ⓘ free-busy lookup ⓘ recurring events ⓘ scheduling ⓘ time zone handling ⓘ |
| supportsMethod |
DELETE
ⓘ
GET ⓘ MKCALENDAR ⓘ OPTIONS ⓘ POST ⓘ PROPFIND ⓘ PUT ⓘ REPORT ⓘ |
| supportsOperation |
calendar management
ⓘ
calendar synchronization ⓘ remote calendar access ⓘ |
| transportLayer |
TCP
ⓘ
linked to:
Transmission Control Protocol
|
| typicalClient |
Apple Calendar
ⓘ
Evolution ⓘ Mozilla Thunderbird with Lightning ⓘ
linked to:
Thunderbird email client
|
| typicalServer |
Apple Calendar Server
ⓘ
DAViCal ⓘ Nextcloud Calendar ⓘ Radicale ⓘ |
| useCase |
calendar delegation
ⓘ
group calendaring ⓘ shared calendars ⓘ |
| usesFormat | iCalendar ⓘ |
| usesProtocol | HTTP ⓘ |
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: CalDAV Description of subject: CalDAV is an open standard protocol that allows clients to access, manage, and synchronize calendar data on a remote server over WebDAV.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CalDAV