Harvard Mark III computer
E754756
The Harvard Mark III computer was an early electromechanical/digital hybrid computer developed in the late 1940s that advanced stored-program concepts and military computation at Harvard University.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Harvard Mark III | 3 |
| Harvard Mark III computer canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8672947 — 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: Harvard Mark III computer Context triple: [Howard Aiken, designed, Harvard Mark III computer]
-
A.
Harvard Mark I computer
The Harvard Mark I computer was an early electromechanical, general-purpose computer built during World War II that pioneered the separation of data and instruction storage later known as the Harvard architecture.
-
B.
UNIVAC I
UNIVAC I was one of the earliest commercial electronic computers, pioneering large-scale data processing for government and business in the early 1950s.
-
C.
Mark-8 computer
The Mark-8 computer was an early 1970s do-it-yourself microcomputer kit for hobbyists, notable as one of the first published designs for a home computer.
-
D.
EDVAC
EDVAC was one of the earliest electronic stored-program computers, pioneering the use of binary arithmetic and influencing the development of modern computer architecture.
-
E.
IBM 704
The IBM 704 was a pioneering 1950s vacuum-tube mainframe computer notable for its support of floating-point arithmetic and its influential role in early high-level programming languages and computer architecture.
- 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: Harvard Mark III computer Target entity description: The Harvard Mark III computer was an early electromechanical/digital hybrid computer developed in the late 1940s that advanced stored-program concepts and military computation at Harvard University.
-
A.
Harvard Mark I computer
The Harvard Mark I computer was an early electromechanical, general-purpose computer built during World War II that pioneered the separation of data and instruction storage later known as the Harvard architecture.
-
B.
UNIVAC I
UNIVAC I was one of the earliest commercial electronic computers, pioneering large-scale data processing for government and business in the early 1950s.
-
C.
Mark-8 computer
The Mark-8 computer was an early 1970s do-it-yourself microcomputer kit for hobbyists, notable as one of the first published designs for a home computer.
-
D.
EDVAC
EDVAC was one of the earliest electronic stored-program computers, pioneering the use of binary arithmetic and influencing the development of modern computer architecture.
-
E.
IBM 704
The IBM 704 was a pioneering 1950s vacuum-tube mainframe computer notable for its support of floating-point arithmetic and its influential role in early high-level programming languages and computer architecture.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
digital computer
ⓘ
early computer ⓘ electromechanical computer ⓘ hybrid computer ⓘ |
| architecture | stored-program architecture ⓘ |
| basedOn |
Harvard Mark I
ⓘ
linked to:
Harvard Mark I computer
Harvard Mark II ⓘ |
| category |
historical computer
ⓘ
military computer ⓘ |
| control |
partly controlled by electromechanical relays
ⓘ
programmed by stored instructions ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| developer |
Harvard University
ⓘ
Howard H. Aiken ⓘ
linked to:
Howard Aiken
|
| employer | United States Navy ⓘ |
| era | first generation computers ⓘ |
| feature |
automatic sequencing of instructions
ⓘ
electromechanical components ⓘ electronic components ⓘ floating-point arithmetic ⓘ magnetic drum memory ⓘ parallel operations compared to predecessors ⓘ punched card input ⓘ punched tape input ⓘ |
| field |
computer science history
ⓘ
military computing ⓘ |
| follows | Harvard Mark II ⓘ |
| inception | late 1940s ⓘ |
| locatedIn |
Cambridge, Massachusetts
ⓘ
Harvard University ⓘ United States ⓘ
linked to:
United States of America
|
| memoryType |
electromechanical registers
ⓘ
magnetic drum ⓘ |
| namedAfter | Harvard University ⓘ |
| notableFor |
advancing stored-program concepts
ⓘ
integration of electromechanical and electronic elements ⓘ use in post–World War II military research ⓘ |
| partOf | Harvard Mark series ⓘ |
| powerSource | electrical power ⓘ |
| precedes |
Harvard Mark IV
ⓘ
linked to:
Harvard Mark IV computer
|
| sponsor | United States Navy ⓘ |
| use |
ballistics calculations
ⓘ
military computation ⓘ scientific computation ⓘ |
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: Harvard Mark III computer Description of subject: The Harvard Mark III computer was an early electromechanical/digital hybrid computer developed in the late 1940s that advanced stored-program concepts and military computation at Harvard University.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Harvard Mark III computer
linked to: Harvard Mark III computer
subject linked to:
Harvard Mark IV computer
linked to: Harvard Mark III computer