POP
E260381
POP (Post Office Protocol) is a standard email protocol used by mail clients to retrieve messages from a remote server, typically downloading them for offline access.
All labels observed (1)
| Label | Occurrences |
|---|---|
| POP canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2384588 — 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: POP Context triple: [NeXT Mail, supports, POP]
-
A.
Pop
Pop is U2’s 1997 studio album that blends alternative rock with electronic and dance influences, reflecting the band’s experimental phase in the late 1990s.
-
B.
Pop
Pop is an American cable television network known for airing entertainment programming including reruns, original series, and special events.
-
C.
Pop Life
Pop Life is a dance-pop and electronic album by French DJ and producer David Guetta that helped solidify his rise in the international club and mainstream music scenes.
-
D.
Populares
The Populares were a political faction in the late Roman Republic that sought popular support through reforms favoring the common people and challenging the power of the senatorial elite.
-
E.
K-pop
K-pop is a genre of popular music originating from South Korea, characterized by its polished production, synchronized choreography, and highly stylized idol groups with global fanbases.
- 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: POP Target entity description: POP (Post Office Protocol) is a standard email protocol used by mail clients to retrieve messages from a remote server, typically downloading them for offline access.
-
A.
Pop
Pop is U2’s 1997 studio album that blends alternative rock with electronic and dance influences, reflecting the band’s experimental phase in the late 1990s.
-
B.
Pop
Pop is an American cable television network known for airing entertainment programming including reruns, original series, and special events.
-
C.
Pop Life
Pop Life is a dance-pop and electronic album by French DJ and producer David Guetta that helped solidify his rise in the international club and mainstream music scenes.
-
D.
Populares
The Populares were a political faction in the late Roman Republic that sought popular support through reforms favoring the common people and challenging the power of the senatorial elite.
-
E.
K-pop
K-pop is a genre of popular music originating from South Korea, characterized by its polished production, synchronized choreography, and highly stylized idol groups with global fanbases.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
application layer protocol
ⓘ
email retrieval protocol ⓘ |
| abbreviationFor |
RFC 918 (POP1)
ⓘ
surface form:
Post Office Protocol
|
| canBeSecuredWith | TLS ⓘ |
| commandExample |
DELE
ⓘ
LIST ⓘ PASS ⓘ QUIT ⓘ RETR ⓘ STAT ⓘ USER ⓘ |
| communicationModel | client-server ⓘ |
| comparedWith | IMAP ⓘ |
| dataFormat | plain text over TCP connection ⓘ |
| defaultPort | 110 ⓘ |
| definedIn |
RFC 1081 (early POP3)
ⓘ
RFC 1225 (experimental POP3) ⓘ RFC 1939 (standard POP3) ⓘ RFC 918 (POP1) ⓘ RFC 937 (POP2) ⓘ |
| designedFor | offline email access ⓘ |
| earlierVersion |
POP1
ⓘ
POP2 ⓘ |
| fullName |
POP3
ⓘ
surface form:
Post Office Protocol
|
| hasVersion |
POP1
ⓘ
POP2 ⓘ POP3 ⓘ |
| isState | stateless between sessions ⓘ |
| layer | application layer ⓘ |
| lessSuitableFor | multi-device email synchronization compared to IMAP ⓘ |
| mostCommonVersion | POP3 ⓘ |
| operatesOver |
Transmission Control Protocol
ⓘ
surface form:
TCP
|
| responseExample |
+OK
ⓘ
-ERR ⓘ |
| securePort | 995 ⓘ |
| secureVariant |
POP3
ⓘ
surface form:
POP3S
|
| standardizedBy |
Internet Engineering Task Force
ⓘ
surface form:
IETF
|
| successorVersion | POP3 ⓘ |
| supports |
message deletion on server
ⓘ
message retrieval ⓘ user authentication ⓘ |
| transfersMessagesTo | local client storage ⓘ |
| typicallyDeletesMessagesFrom | server after download (depending on client settings) ⓘ |
| typicallyUsedBy | desktop email clients ⓘ |
| typicallyUses | plain text commands ⓘ |
| usedFor |
downloading email for offline access
ⓘ
retrieving email from a mail server ⓘ |
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: POP Description of subject: POP (Post Office Protocol) is a standard email protocol used by mail clients to retrieve messages from a remote server, typically downloading them for offline access.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.