Eric Costello
E187112
Eric Costello is a technology entrepreneur best known as one of the co-founders of the workplace communication platform Slack.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eric Costello canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1634958 — 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: Eric Costello Context triple: [Slack, founder, Eric Costello]
-
A.
Brian Bilello
Brian Bilello is an American soccer executive best known for leading Major League Soccer’s New England Revolution as the club’s president.
-
B.
Ray Collins
Ray Collins was an American character actor best known for his roles in classic films and radio, including his appearance in Orson Welles’s landmark film "Citizen Kane."
-
C.
Mike Krieger
Mike Krieger is a Brazilian-American entrepreneur and software engineer best known as the co-founder and former CTO of the photo-sharing social media platform Instagram.
-
D.
Bill Carrigan
Bill Carrigan was an American Major League Baseball catcher and manager best known for leading the Boston Red Sox to multiple World Series championships in the 1910s.
-
E.
Tony James
Tony James is an American financier and executive best known as the longtime president and chief operating officer of Blackstone and for his leadership roles at major cultural institutions.
- 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: Eric Costello Target entity description: Eric Costello is a technology entrepreneur best known as one of the co-founders of the workplace communication platform Slack.
-
A.
Brian Bilello
Brian Bilello is an American soccer executive best known for leading Major League Soccer’s New England Revolution as the club’s president.
-
B.
Ray Collins
Ray Collins was an American character actor best known for his roles in classic films and radio, including his appearance in Orson Welles’s landmark film "Citizen Kane."
-
C.
Mike Krieger
Mike Krieger is a Brazilian-American entrepreneur and software engineer best known as the co-founder and former CTO of the photo-sharing social media platform Instagram.
-
D.
Bill Carrigan
Bill Carrigan was an American Major League Baseball catcher and manager best known for leading the Boston Red Sox to multiple World Series championships in the 1910s.
-
E.
Tony James
Tony James is an American financier and executive best known as the longtime president and chief operating officer of Blackstone and for his leadership roles at major cultural institutions.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
person
ⓘ
technology entrepreneur ⓘ |
| associatedWith |
Slack Technologies
ⓘ
linked to:
Slack
|
| basedInIndustry | technology startups ⓘ |
| coFounderOf | Slack ⓘ |
| entrepreneurialFocus |
business productivity software
ⓘ
collaboration tools ⓘ |
| field | technology ⓘ |
| hasExpertise |
product development
ⓘ
software development ⓘ web technologies ⓘ |
| hasRole | product-focused technologist at Slack ⓘ |
| helpedBuild |
team collaboration software
ⓘ
workplace communication platform ⓘ |
| industry |
enterprise communication software
ⓘ
software ⓘ |
| knownFor | co-founding Slack ⓘ |
| memberOfFoundingTeamOf | Slack ⓘ |
| name | Eric Costello ⓘ |
| notableAs | co-founder of workplace communication platform Slack ⓘ |
| notableWork | Slack ⓘ |
| occupation |
entrepreneur
ⓘ
software engineer ⓘ |
| workedOn |
Slack workplace communication platform
ⓘ
linked to:
Slack
|
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: Eric Costello Description of subject: Eric Costello is a technology entrepreneur best known as one of the co-founders of the workplace communication platform Slack.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.