Alan Johnston
E564386
Alan Johnston is a telecommunications engineer and VoIP security expert known for his contributions to secure real-time communication protocols such as ZRTP.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Alan Johnston canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5768286 — 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: Alan Johnston Context triple: [ZRTP, designedBy, Alan Johnston]
-
A.
Neil Johnston
Neil Johnston was a dominant 1950s NBA center and Hall of Famer known for leading the league in scoring with the Philadelphia Warriors.
-
B.
James Johnston
James Johnston was a militia officer who played a leadership role on the Patriot side during the American Revolutionary War, notably at the Battle of Kings Mountain.
-
C.
Donald Neil Johnston
Donald Neil Johnston, better known as Neil Johnston, was an American Hall of Fame professional basketball center who starred for the Philadelphia Warriors in the 1950s.
-
D.
William Mathews
William Mathews was a 19th-century British mountaineer notable for pioneering ascents in the Alps.
-
E.
Ian Meakins
Ian Meakins is a British business executive known for leading major multinational companies, including serving as chairman of Unilever.
- 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: Alan Johnston Target entity description: Alan Johnston is a telecommunications engineer and VoIP security expert known for his contributions to secure real-time communication protocols such as ZRTP.
-
A.
Neil Johnston
Neil Johnston was a dominant 1950s NBA center and Hall of Famer known for leading the league in scoring with the Philadelphia Warriors.
-
B.
James Johnston
James Johnston was a militia officer who played a leadership role on the Patriot side during the American Revolutionary War, notably at the Battle of Kings Mountain.
-
C.
Donald Neil Johnston
Donald Neil Johnston, better known as Neil Johnston, was an American Hall of Fame professional basketball center who starred for the Philadelphia Warriors in the 1950s.
-
D.
William Mathews
William Mathews was a 19th-century British mountaineer notable for pioneering ascents in the Alps.
-
E.
Ian Meakins
Ian Meakins is a British business executive known for leading major multinational companies, including serving as chairman of Unilever.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | person ⓘ |
| areaOfInfluence |
Internet communications security community
ⓘ
VoIP industry ⓘ |
| contributedTo |
ZRTP protocol
ⓘ
linked to:
ZRTP
secure VoIP protocols ⓘ |
| fieldOfWork |
Internet telephony
ⓘ
VoIP security ⓘ Voice over IP ⓘ network security ⓘ real-time communications ⓘ telecommunications ⓘ |
| hasExpertise |
SIP-based communications security
ⓘ
encryption for real-time media ⓘ real-time transport security ⓘ secure key exchange for VoIP ⓘ |
| knownFor |
ZRTP
ⓘ
secure real-time communication protocols ⓘ |
| notableRole |
contributor to secure real-time communication standards
ⓘ
expert in VoIP security ⓘ |
| occupation |
VoIP security expert
ⓘ
telecommunications engineer ⓘ |
| specialization |
secure real-time communication
ⓘ
signaling and media security for VoIP ⓘ |
| worksOn |
design of secure communication protocols
ⓘ
security of Internet telephony systems ⓘ |
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: Alan Johnston Description of subject: Alan Johnston is a telecommunications engineer and VoIP security expert known for his contributions to secure real-time communication protocols such as ZRTP.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.