Amdahl
E219376
computer architect
computer company
computer scientist
family name
performance law
person
scalability law
surname
Amdahl is the surname of Gene Amdahl, a pioneering computer architect best known for formulating Amdahl's Law and contributing to the design of IBM mainframe systems.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Amdahl Corporation | 6 |
| Amdahl canonical | 3 |
| Amdahl 470 series | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1961121 — 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: Amdahl Context triple: [Gene Amdahl, familyName, Amdahl]
-
A.
Itanium
Itanium is a 64-bit server processor architecture developed by Intel (with early collaboration from HP) that was designed for high-end enterprise and technical computing but ultimately saw limited adoption and was discontinued.
-
B.
Apollo Computer
Apollo Computer was an American computer company best known for pioneering high-performance Domain workstation systems in the 1980s.
-
C.
Xenix
Xenix was a Microsoft-licensed, business-oriented version of the Unix operating system that ran on microcomputers in the late 1970s and 1980s.
-
D.
PDP-11
The PDP-11 is a series of 16-bit minicomputers introduced by Digital Equipment Corporation in the 1970s that became highly influential in computer architecture and operating system development.
-
E.
Intel 80186
The Intel 80186 is a 16-bit microprocessor introduced in the early 1980s that integrated additional peripherals and control functions onto the CPU die, making it popular for embedded systems rather than mainstream personal computers.
- 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: Amdahl Target entity description: Amdahl is the surname of Gene Amdahl, a pioneering computer architect best known for formulating Amdahl's Law and contributing to the design of IBM mainframe systems.
-
A.
Itanium
Itanium is a 64-bit server processor architecture developed by Intel (with early collaboration from HP) that was designed for high-end enterprise and technical computing but ultimately saw limited adoption and was discontinued.
-
B.
Apollo Computer
Apollo Computer was an American computer company best known for pioneering high-performance Domain workstation systems in the 1980s.
-
C.
Xenix
Xenix was a Microsoft-licensed, business-oriented version of the Unix operating system that ran on microcomputers in the late 1970s and 1980s.
-
D.
PDP-11
The PDP-11 is a series of 16-bit minicomputers introduced by Digital Equipment Corporation in the 1970s that became highly influential in computer architecture and operating system development.
-
E.
Intel 80186
The Intel 80186 is a 16-bit microprocessor introduced in the early 1980s that integrated additional peripherals and control functions onto the CPU die, making it popular for embedded systems rather than mainstream personal computers.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
computer architect
ⓘ
computer company ⓘ computer scientist ⓘ family name ⓘ performance law ⓘ person ⓘ scalability law ⓘ surname ⓘ |
| describes | limits of speedup from parallelization ⓘ |
| employer |
Amdahl Corporation
ⓘ
linked to:
Amdahl
IBM ⓘ |
| familyName | Amdahl ⓘ |
| field |
computer architecture
ⓘ
mainframe design ⓘ parallel computing ⓘ |
| formulated | Amdahl's law ⓘ |
| founder | Gene Amdahl ⓘ |
| fullName |
Gene Myron Amdahl
ⓘ
linked to:
Gene Amdahl
|
| givenName | Gene ⓘ |
| hasNotableBearer | Gene Amdahl ⓘ |
| industry | mainframe computers ⓘ |
| knownFor |
Amdahl Corporation
ⓘ
linked to:
Amdahl
Amdahl's law ⓘ IBM System/360 architecture ⓘ
linked to:
IBM System/360
IBM System/370 architecture ⓘ
linked to:
IBM System/370
|
| languageOfOrigin |
Norwegian
ⓘ
linked to:
Norwegian language
|
| nationality | American ⓘ |
| notableAchievement | contributions to IBM mainframe systems ⓘ |
| occupation | chief architect of IBM System/360 ⓘ |
| usedBy | people of Norwegian origin ⓘ |
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: Amdahl Description of subject: Amdahl is the surname of Gene Amdahl, a pioneering computer architect best known for formulating Amdahl's Law and contributing to the design of IBM mainframe systems.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Amdahl
linked to: Amdahl
linked to: Amdahl
linked to: Amdahl
subject linked to:
Amdahl
linked to: Amdahl