Stewart Butterfield
E185473
Stewart Butterfield is a Canadian entrepreneur best known for co-founding the photo-sharing site Flickr and later creating the workplace communication platform Slack.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Stewart Butterfield canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1634957 — 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: Stewart Butterfield Context triple: [Slack, founder, Stewart Butterfield]
-
A.
Dustin Moskovitz
Dustin Moskovitz is an American entrepreneur and philanthropist best known as a co-founder of Facebook and the productivity software company Asana.
-
B.
Drew Houston
Drew Houston is an American entrepreneur best known as the co-founder and CEO of the cloud storage company Dropbox.
-
C.
Jonathan I. Schwartz
Jonathan I. Schwartz is an American technology executive best known for serving as the CEO of Sun Microsystems during the mid-2000s.
-
D.
Biz Stone
Biz Stone is an American entrepreneur and software developer best known as one of the co-founders of Twitter and a prominent figure in the social media industry.
-
E.
Scott Belsky
Scott Belsky is an American entrepreneur, author, and investor best known as the co-founder of the creative platform Behance and as a longtime product leader at Adobe.
- 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: Stewart Butterfield Target entity description: Stewart Butterfield is a Canadian entrepreneur best known for co-founding the photo-sharing site Flickr and later creating the workplace communication platform Slack.
-
A.
Dustin Moskovitz
Dustin Moskovitz is an American entrepreneur and philanthropist best known as a co-founder of Facebook and the productivity software company Asana.
-
B.
Drew Houston
Drew Houston is an American entrepreneur best known as the co-founder and CEO of the cloud storage company Dropbox.
-
C.
Jonathan I. Schwartz
Jonathan I. Schwartz is an American technology executive best known for serving as the CEO of Sun Microsystems during the mid-2000s.
-
D.
Biz Stone
Biz Stone is an American entrepreneur and software developer best known as one of the co-founders of Twitter and a prominent figure in the social media industry.
-
E.
Scott Belsky
Scott Belsky is an American entrepreneur, author, and investor best known as the co-founder of the creative platform Behance and as a longtime product leader at Adobe.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
business executive
ⓘ
entrepreneur ⓘ human ⓘ |
| acquisition | Flickr acquired by Yahoo! ⓘ |
| birthName | Daniel Stewart Butterfield ⓘ |
| coFounded |
Flickr
ⓘ
Ludicorp ⓘ Slack ⓘ Tiny Speck ⓘ |
| coFoundedWith |
Cal Henderson
ⓘ
Caterina Fake ⓘ Sergei Tschepikoff NERFINISHED ⓘ |
| countryOfCitizenship | Canada ⓘ |
| dateOfBirth | 1973-03-21 ⓘ |
| degree |
Bachelor’s degree in philosophy
ⓘ
Master’s degree in philosophy ⓘ |
| educatedAt |
Clare College, University of Cambridge
NERFINISHED
ⓘ
University of Victoria ⓘ |
| employer |
Ludicorp
ⓘ
Slack ⓘ
surface form:
Slack Technologies
Tiny Speck ⓘ |
| familyName | Butterfield ⓘ |
| fieldOfWork |
software industry
ⓘ
technology entrepreneurship ⓘ |
| founded |
Slack
ⓘ
surface form:
Slack Technologies
|
| givenName |
Daniel
ⓘ
Stewart ⓘ |
| industry |
internet
ⓘ
software ⓘ |
| knownFor |
co-founding Flickr
ⓘ
co-founding Slack ⓘ leading Slack Technologies ⓘ |
| languageSpoken | English ⓘ |
| name | Stewart Butterfield self-link ⓘ |
| nationality | Canadian ⓘ |
| notableAchievement |
built Slack into a widely used workplace communication platform
ⓘ
pioneered photo-sharing social networking with Flickr ⓘ |
| notableWork |
Flickr
ⓘ
Slack ⓘ |
| occupation |
businessperson
ⓘ
entrepreneur ⓘ software designer ⓘ |
| placeOfBirth | Lund, British Columbia, Canada ⓘ |
| positionHeld | CEO of Slack Technologies ⓘ |
| productCreated |
Flickr
ⓘ
Slack ⓘ |
| residence |
Vancouver
ⓘ
surface form:
Vancouver, British Columbia, Canada
|
| roleInAcquisition | co-founder of acquired company Flickr ⓘ |
| spouse | Caterina Fake ⓘ |
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: Stewart Butterfield Description of subject: Stewart Butterfield is a Canadian entrepreneur best known for co-founding the photo-sharing site Flickr and later creating the workplace communication platform Slack.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.