DEC
E229931
DEC was the stock ticker symbol for Digital Equipment Corporation, a pioneering American computer company known for its influential minicomputers and contributions to the development of modern computing.
All labels observed (1)
| Label | Occurrences |
|---|---|
| DEC canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T2038715 — 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: DEC Context triple: [Digital Equipment Corporation, tickerSymbol, DEC]
-
A.
DEC
DEC is a shortened form commonly used to refer to Device Enterprise Communication.
-
B.
DEC
DEC is the New York State agency responsible for conserving, improving, and protecting the state's natural resources and environment.
-
C.
De
De is the given name of Zhu De, a prominent Chinese Communist military leader and one of the founders of the People’s Liberation Army.
-
D.
DESE
DESE is the state agency responsible for overseeing public elementary and secondary education in Massachusetts, including standards, accountability, and school support.
-
E.
DED
DED is the commonly used abbreviation for the ASME Design Engineering Division, a professional group within ASME focused on advancing the field of mechanical design 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: DEC Target entity description: DEC was the stock ticker symbol for Digital Equipment Corporation, a pioneering American computer company known for its influential minicomputers and contributions to the development of modern computing.
-
A.
DEC
DEC is the New York State agency responsible for conserving, improving, and protecting the state's natural resources and environment.
-
B.
DEC
DEC is a shortened form commonly used to refer to Device Enterprise Communication.
-
C.
De
De is the given name of Zhu De, a prominent Chinese Communist military leader and one of the founders of the People’s Liberation Army.
-
D.
DESE
DESE is the state agency responsible for overseeing public elementary and secondary education in Massachusetts, including standards, accountability, and school support.
-
E.
DED
DED is the commonly used abbreviation for the ASME Design Engineering Division, a professional group within ASME focused on advancing the field of mechanical design engineering.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
computer company
ⓘ
computer company ⓘ defunct company ⓘ stock ticker symbol ⓘ |
| abbreviation | DEC self-linksurface differs ⓘ |
| acquired | Digital Equipment Corporation ⓘ |
| acquiredBy | Compaq ⓘ |
| contributedTo |
development of minicomputer market
ⓘ
development of modern computing ⓘ rise of interactive computing ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dissolvedInYear | 1998 ⓘ |
| exchangeListedOn | New York Stock Exchange ⓘ |
| foundedBy |
Harlan Anderson
ⓘ
Ken Olsen ⓘ |
| foundedInYear | 1957 ⓘ |
| headquartersLocation | Maynard, Massachusetts NERFINISHED ⓘ |
| industry |
computer hardware
ⓘ
information technology ⓘ |
| keyPerson | Ken Olsen ⓘ |
| knownFor |
computer networking innovations
ⓘ
minicomputers ⓘ timesharing systems ⓘ |
| notableProduct |
PDP-11
ⓘ
PDP-8 ⓘ VAX ⓘ VMS operating system ⓘ |
| parentCompanyAfterAcquisition | Compaq ⓘ |
| refersTo | Digital Equipment Corporation ⓘ |
| stockTicker | DEC self-linksurface differs ⓘ |
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: DEC Description of subject: DEC was the stock ticker symbol for Digital Equipment Corporation, a pioneering American computer company known for its influential minicomputers and contributions to the development of modern computing.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Digital Equipment Corporation
subject surface form:
Digital Equipment Corporation