CTCP
E233833
CTCP (Client-To-Client Protocol) is an extension to the IRC protocol that enables clients to exchange special commands and metadata, such as actions, version queries, and ping requests, beyond normal text messages.
All labels observed (9)
| Label | Occurrences |
|---|---|
| CTCP canonical | 3 |
| CTCP ACTION | 1 |
| CTCP CLIENTINFO | 1 |
| CTCP DCC | 1 |
| CTCP FINGER | 1 |
| CTCP PING | 1 |
| CTCP TIME | 1 |
| CTCP USERINFO | 1 |
| CTCP VERSION | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2114570 — 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: CTCP Context triple: [IRC, supports, CTCP]
-
A.
CTC
CTC is the commonly used abbreviation for the United Nations Security Council’s Counter-Terrorism Committee, which oversees global efforts to combat terrorism.
-
B.
IRC
IRC (Internet Relay Chat) is a long-standing, text-based communication protocol that enables real-time group and private messaging over the internet via channels and servers.
-
C.
IRC
IRC is the commonly used abbreviation for the Internal Revenue Code, the comprehensive body of federal tax laws in the United States.
-
D.
TCAT
TCAT is the public bus transit system serving Ithaca and the surrounding Tompkins County area in New York State.
-
E.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
- 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: CTCP Target entity description: CTCP (Client-To-Client Protocol) is an extension to the IRC protocol that enables clients to exchange special commands and metadata, such as actions, version queries, and ping requests, beyond normal text messages.
-
A.
CTC
CTC is the commonly used abbreviation for the United Nations Security Council’s Counter-Terrorism Committee, which oversees global efforts to combat terrorism.
-
B.
IRC
IRC (Internet Relay Chat) is a long-standing, text-based communication protocol that enables real-time group and private messaging over the internet via channels and servers.
-
C.
IRC
IRC is the commonly used abbreviation for the Internal Revenue Code, the comprehensive body of federal tax laws in the United States.
-
D.
TCAT
TCAT is the public bus transit system serving Ithaca and the surrounding Tompkins County area in New York State.
-
E.
TC
TC is the standard abbreviation for the IEEE Transactions on Computers, a leading peer-reviewed journal covering research in computer science and engineering.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
IRC protocol extension
ⓘ
application-layer protocol feature ⓘ |
| acronymFor | Client-To-Client Protocol ⓘ |
| communicationModel | client-to-client via IRC server relay ⓘ |
| compatibleWith | most traditional IRC networks ⓘ |
| defines |
standardized command names
ⓘ
standardized reply formats ⓘ |
| delimitedBy | ASCII 0x01 characters ⓘ |
| encapsulatedWithin | IRC message body ⓘ |
| extends |
IRC protocol
ⓘ
linked to:
IRC
|
| fullName | Client-To-Client Protocol ⓘ |
| layer | application layer ⓘ |
| origin | early IRC client implementations ⓘ |
| purpose |
enable client-to-client commands over IRC
ⓘ
exchange metadata between IRC clients ⓘ |
| relatedTo |
DCC
ⓘ
IRC protocol ⓘ
linked to:
IRC
|
| representation | plain text commands inside IRC messages ⓘ |
| requires | IRC client support ⓘ |
| scope | metadata and control messages beyond normal chat text ⓘ |
| securityConsideration |
can be abused for client fingerprinting
ⓘ
may be filtered by IRC servers or clients ⓘ |
| status | de facto standard in traditional IRC ecosystem ⓘ |
| supports |
DCC negotiation
ⓘ
actions ⓘ finger queries ⓘ ping requests ⓘ time queries ⓘ version queries ⓘ |
| transportsOver |
IRC NOTICE messages
ⓘ
IRC PRIVMSG messages ⓘ |
| typicalCommand |
ACTION
ⓘ
DCC ⓘ FINGER ⓘ PING ⓘ TIME ⓘ VERSION ⓘ |
| typicalUsageContext |
graphical IRC clients
ⓘ
terminal-based IRC clients ⓘ |
| usedFor |
client capability discovery
ⓘ
emulating out-of-band signaling over IRC ⓘ latency measurement between IRC clients ⓘ user presence and metadata queries ⓘ |
| usedIn |
Internet Relay Chat
ⓘ
linked to:
IRC
|
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: CTCP Description of subject: CTCP (Client-To-Client Protocol) is an extension to the IRC protocol that enables clients to exchange special commands and metadata, such as actions, version queries, and ping requests, beyond normal text messages.
Referenced by (11)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: CTCP
linked to: CTCP
linked to: CTCP
linked to: CTCP
linked to: CTCP
linked to: CTCP
linked to: CTCP
linked to: CTCP