Signal
E521658
Signal is a privacy-focused messaging app known for its strong end-to-end encryption and open-source protocol.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Signal Foundation | 3 |
| Signal canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5452032 — 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: Signal Context triple: [iMessage, competitor, Signal]
-
A.
Signal
Signal is a Canadian publishing imprint known for releasing thought-provoking non-fiction works on contemporary issues.
-
B.
Signal Peak
Signal Peak is a prominent mountain summit in southwestern Arizona, known as the tallest point within the rugged Kofa Mountains.
-
C.
Signal Fire
"Signal Fire" is a 2007 alternative rock song by Snow Patrol, best known for its inclusion on the soundtrack of the film Spider-Man 3.
-
D.
SIG
SIG is an acronym commonly used by the Association for Computing Machinery to denote its specialized Special Interest Groups that focus on particular areas of computing research and practice.
-
E.
SIG
SIG is the public utility company of Geneva, Switzerland, responsible for providing services such as electricity, gas, water, and energy solutions to the region.
- 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: Signal Target entity description: Signal is a privacy-focused messaging app known for its strong end-to-end encryption and open-source protocol.
-
A.
Signal
Signal is a Canadian publishing imprint known for releasing thought-provoking non-fiction works on contemporary issues.
-
B.
Signal Peak
Signal Peak is a prominent mountain summit in southwestern Arizona, known as the tallest point within the rugged Kofa Mountains.
-
C.
Signal Fire
"Signal Fire" is a 2007 alternative rock song by Snow Patrol, best known for its inclusion on the soundtrack of the film Spider-Man 3.
-
D.
SIG
SIG is the public utility company of Geneva, Switzerland, responsible for providing services such as electricity, gas, water, and energy solutions to the region.
-
E.
SIG
SIG is an acronym commonly used by the Association for Computing Machinery to denote its specialized Special Interest Groups that focus on particular areas of computing research and practice.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
encrypted messaging service
ⓘ
free and open-source software ⓘ instant messaging application ⓘ |
| businessModel | nonprofit ⓘ |
| dataCollectionPolicy | minimal metadata collection ⓘ |
| developer |
Signal Foundation
ⓘ
linked to:
Signal
Signal Messenger LLC ⓘ |
| encryptionProtocol |
Signal Protocol
ⓘ
linked to:
Signal protocol
|
| fundingModel | donations ⓘ |
| hasFeature |
disappearing messages
ⓘ
end-to-end encryption by default ⓘ file sharing ⓘ group messaging ⓘ open-source protocol ⓘ read receipts (optional) ⓘ registration lock PIN ⓘ relay calls via Signal server (optional) ⓘ safety number verification ⓘ screen security ⓘ stickers ⓘ typing indicators (optional) ⓘ video calling ⓘ voice calling ⓘ voice messages ⓘ |
| license |
AGPLv3 (server software)
ⓘ
GPLv3 (client applications) ⓘ |
| notableFor |
being recommended by privacy advocates
ⓘ
strong privacy protections ⓘ |
| platform |
Android
ⓘ
Linux ⓘ Windows ⓘ iOS ⓘ macOS ⓘ |
| primaryUse |
private messaging
ⓘ
secure video communication ⓘ secure voice communication ⓘ |
| protocolUsedBy |
Facebook Messenger secret conversations
ⓘ
Skype private conversations ⓘ WhatsApp (for end-to-end encryption) ⓘ
linked to:
WhatsApp
|
| requires | phone number for registration ⓘ |
| securityProperty |
deniability
ⓘ
forward secrecy ⓘ post-compromise security ⓘ sealed sender ⓘ |
| sourceModel | open source ⓘ |
| stores |
limited account information on servers
ⓘ
messages encrypted on user devices ⓘ |
| supports |
end-to-end encrypted group calls
ⓘ
group chats ⓘ one-to-one chats ⓘ |
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: Signal Description of subject: Signal is a privacy-focused messaging app known for its strong end-to-end encryption and open-source protocol.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Signal
linked to: Signal