David Ellefson
E565249
David Ellefson is an American bassist best known as the longtime bassist and co-founder of the thrash metal band Megadeth.
All labels observed (1)
| Label | Occurrences |
|---|---|
| David Ellefson canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6022745 — 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: David Ellefson Context triple: [Megadeth, foundingMember, David Ellefson]
-
A.
Dave Navarro
Dave Navarro is an American guitarist, singer, and songwriter best known for his work with the rock band Jane's Addiction and a stint with the Red Hot Chili Peppers.
-
B.
Trevor Rabin
Trevor Rabin is a South African musician and composer best known as the former guitarist of the rock band Yes and as a prolific film score composer.
-
C.
Jon Lomberg
Jon Lomberg is an American space artist and science communicator best known for his close collaboration with Carl Sagan and his major role in designing the visual and artistic elements of NASA’s interstellar messages, including the Voyager Golden Record.
-
D.
Mike Inez
Mike Inez is an American bassist best known for his long-time role in the rock band Alice in Chains and his previous work with Ozzy Osbourne.
-
E.
Paul Bostaph
Paul Bostaph is an American heavy metal drummer best known for his work with the thrash metal band Slayer.
- 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: David Ellefson Target entity description: David Ellefson is an American bassist best known as the longtime bassist and co-founder of the thrash metal band Megadeth.
-
A.
Dave Navarro
Dave Navarro is an American guitarist, singer, and songwriter best known for his work with the rock band Jane's Addiction and a stint with the Red Hot Chili Peppers.
-
B.
Trevor Rabin
Trevor Rabin is a South African musician and composer best known as the former guitarist of the rock band Yes and as a prolific film score composer.
-
C.
Jon Lomberg
Jon Lomberg is an American space artist and science communicator best known for his close collaboration with Carl Sagan and his major role in designing the visual and artistic elements of NASA’s interstellar messages, including the Voyager Golden Record.
-
D.
Mike Inez
Mike Inez is an American bassist best known for his long-time role in the rock band Alice in Chains and his previous work with Ozzy Osbourne.
-
E.
Paul Bostaph
Paul Bostaph is an American heavy metal drummer best known for his work with the thrash metal band Slayer.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| associatedAct |
F5
NERFINISHED
ⓘ
Killing Machine NERFINISHED ⓘ Megadeth NERFINISHED ⓘ Metal Allegiance NERFINISHED ⓘ Soulfly NERFINISHED ⓘ Temple of Brutality NERFINISHED ⓘ |
| authorOf | My Life with Deth NERFINISHED ⓘ |
| awardReceived | Grammy Award for Best Metal Performance NERFINISHED ⓘ |
| birthDate | 1964-11-12 ⓘ |
| birthPlace | Jackson, Minnesota, United States NERFINISHED ⓘ |
| coAuthor | Joel McIver NERFINISHED ⓘ |
| coFounderOf | Megadeth NERFINISHED ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| education | Concordia College (studied music business; did not complete) NERFINISHED ⓘ |
| endTimeInBand |
2002
ⓘ
2021 ⓘ |
| familyName | Ellefson NERFINISHED ⓘ |
| founded | Ellefson Coffee Co. NERFINISHED ⓘ |
| genre |
heavy metal
ⓘ
thrash metal ⓘ |
| givenName | David NERFINISHED ⓘ |
| hasRole |
backing vocalist
ⓘ
band manager ⓘ record producer ⓘ |
| instrument | bass guitar ⓘ |
| memberOf | Megadeth NERFINISHED ⓘ |
| name | David Ellefson NERFINISHED ⓘ |
| nativeLanguage | English ⓘ |
| notableAlbumWithMegadeth |
Countdown to Extinction
NERFINISHED
ⓘ
Dystopia NERFINISHED ⓘ Peace Sells... but Who's Buying? NERFINISHED ⓘ Rust in Peace NERFINISHED ⓘ Youthanasia NERFINISHED ⓘ |
| notableWork | Megadeth NERFINISHED ⓘ |
| occupation |
bassist
ⓘ
musician ⓘ songwriter ⓘ |
| recordLabel |
Capitol Records
ⓘ
Combat Records NERFINISHED ⓘ EMI ⓘ Universal Music NERFINISHED ⓘ |
| religion | Lutheranism ⓘ |
| residence | Scottsdale, Arizona, United States NERFINISHED ⓘ |
| returnToBand | 2010 ⓘ |
| sexOrGender | male ⓘ |
| startTimeInBand | 1983 ⓘ |
| website | https://www.davidellefson.com ⓘ |
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: David Ellefson Description of subject: David Ellefson is an American bassist best known as the longtime bassist and co-founder of the thrash metal band Megadeth.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.