Apple Calendar Server
E356350
Apple Calendar Server is an open-source CalDAV-based calendar and scheduling server developed by Apple for managing and sharing calendar data across multiple users and devices.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Apple Calendar Server canonical | 1 |
| Calendar Server | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3426593 — 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: Apple Calendar Server Context triple: [CalDAV, typicalServer, Apple Calendar Server]
-
A.
Apple Calendar
Apple Calendar is a built-in calendar and scheduling app for Apple devices that helps users manage events, reminders, and appointments across their ecosystem.
-
B.
Apple activation servers
Apple activation servers are Apple's backend systems that verify device ownership and activation status, enabling security features like Activation Lock on iPhones, iPads, and other Apple 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.
AirPort
AirPort is Apple's brand name for its line of Wi‑Fi networking technology and products used to provide wireless connectivity for its computers and devices.
-
E.
AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers 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: Apple Calendar Server Target entity description: Apple Calendar Server is an open-source CalDAV-based calendar and scheduling server developed by Apple for managing and sharing calendar data across multiple users and devices.
-
A.
Apple Calendar
Apple Calendar is a built-in calendar and scheduling app for Apple devices that helps users manage events, reminders, and appointments across their ecosystem.
-
B.
Apple activation servers
Apple activation servers are Apple's backend systems that verify device ownership and activation status, enabling security features like Activation Lock on iPhones, iPads, and other Apple 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.
AirPort
AirPort is Apple's brand name for its line of Wi‑Fi networking technology and products used to provide wireless connectivity for its computers and devices.
-
E.
AppleTalk
AppleTalk was Apple’s proprietary suite of networking protocols that enabled file and printer sharing and other communication services between Macintosh computers and devices.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
CalDAV server
ⓘ
calendar server ⓘ open-source software ⓘ |
| category |
collaboration software
ⓘ
groupware server ⓘ |
| deploymentModel | on-premises ⓘ |
| developer | Apple Inc. ⓘ |
| feature |
SSL/TLS encryption support
ⓘ
access control lists ⓘ calendar publishing ⓘ delegation support ⓘ directory integration ⓘ free-busy lookup ⓘ group scheduling ⓘ notifications ⓘ resource scheduling ⓘ shared calendars ⓘ time zone support ⓘ |
| license | Apache License 2.0 ⓘ |
| operatingSystem |
Linux
ⓘ
macOS ⓘ macOS Server ⓘ
linked to:
Mac OS X Server
|
| programmingLanguage |
Python
ⓘ
Twisted Python framework ⓘ |
| repository | https://github.com/apple/ccs-calendarserver ⓘ |
| supportsAuthentication |
Basic authentication
ⓘ
Digest authentication ⓘ Kerberos ⓘ |
| supportsClient |
Apple Calendar
ⓘ
Evolution ⓘ Mozilla Thunderbird with Lightning ⓘ
linked to:
Thunderbird email client
iCal ⓘ
linked to:
iCalendar
iOS Calendar ⓘ
linked to:
Apple Calendar
|
| supportsDatabaseBackend |
PostgreSQL
ⓘ
SQLite ⓘ |
| supportsDirectoryService |
LDAP
ⓘ
Open Directory ⓘ |
| supportsExtension |
CalDAV notifications extensions
ⓘ
CalDAV scheduling extensions ⓘ CalDAV sharing extensions ⓘ
linked to:
CalDAV
CardDAV address book access ⓘ |
| supportsProtocol |
CalDAV
ⓘ
CardDAV ⓘ |
| supportsStandard |
WebDAV
ⓘ
iCalendar ⓘ |
| supportsTransport |
HTTP
ⓘ
HTTPS ⓘ |
| useCase |
enterprise calendar management
ⓘ
groupware integration ⓘ |
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: Apple Calendar Server Description of subject: Apple Calendar Server is an open-source CalDAV-based calendar and scheduling server developed by Apple for managing and sharing calendar data across multiple users and devices.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Apple Calendar Server