Spencer Rascoff
E148132
Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Spencer Rascoff canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T1163203 — 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: Spencer Rascoff Context triple: [Lakeside School, hasAlumnus, Spencer Rascoff]
-
A.
Bernard Marcus
Bernard Marcus is an American billionaire businessman and philanthropist best known as a co-founder and former CEO of the home improvement retail giant The Home Depot.
-
B.
David M. Rubenstein
David M. Rubenstein is an American billionaire investor, philanthropist, and co-founder of the global private equity firm The Carlyle Group.
-
C.
Laurence Tisch
Laurence Tisch was an American businessman and investor best known as the co-owner of Loews Corporation and former CEO of CBS.
-
D.
Charles F. Dolan
Charles F. Dolan is an American cable television pioneer and media executive best known as the founder of HBO and Cablevision.
-
E.
Preston Robert Tisch
Preston Robert Tisch was an American businessman and philanthropist best known as co-owner of the New York Giants and former Postmaster General of the United States.
- 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: Spencer Rascoff Target entity description: Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
-
A.
Bernard Marcus
Bernard Marcus is an American billionaire businessman and philanthropist best known as a co-founder and former CEO of the home improvement retail giant The Home Depot.
-
B.
David M. Rubenstein
David M. Rubenstein is an American billionaire investor, philanthropist, and co-founder of the global private equity firm The Carlyle Group.
-
C.
Laurence Tisch
Laurence Tisch was an American businessman and investor best known as the co-owner of Loews Corporation and former CEO of CBS.
-
D.
Charles F. Dolan
Charles F. Dolan is an American cable television pioneer and media executive best known as the founder of HBO and Cablevision.
-
E.
Preston Robert Tisch
Preston Robert Tisch was an American businessman and philanthropist best known as co-owner of the New York Giants and former Postmaster General of the United States.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
business executive
ⓘ
entrepreneur ⓘ human ⓘ venture capitalist ⓘ |
| authorOf | Zillow Talk: The New Rules of Real Estate ⓘ |
| boardMemberOf |
Pacaso
ⓘ
Palantir Technologies ⓘ TripAdvisor ⓘ Zillow ⓘ |
| coAuthorWith | Stan Humphries ⓘ |
| coFounded |
Hotwire
ⓘ
surface form:
Hotwire.com
Pacaso ⓘ Queue ⓘ Zillow ⓘ dot.LA ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| dateOfBirth | 1975-06-24 ⓘ |
| degree | Bachelor of Arts ⓘ |
| educatedAt |
Harvard University
ⓘ
surface form:
Harvard College
Harvard University ⓘ |
| employer |
Expedia Group
ⓘ
surface form:
Expedia
Hotwire ⓘ
surface form:
Hotwire.com
Zillow ⓘ |
| familyName | Rascoff ⓘ |
| fieldOfStudy | government ⓘ |
| founded |
75 & Sunny
ⓘ
Hotwire ⓘ
surface form:
Hotwire.com
|
| givenName | Spencer ⓘ |
| hasGender | male ⓘ |
| industry |
online travel
ⓘ
real estate technology ⓘ |
| knownFor |
co-founding Zillow
ⓘ
serving as CEO of Zillow ⓘ |
| languageSpoken | English ⓘ |
| name | Spencer Rascoff self-link ⓘ |
| notableAchievement |
expanded Zillow through multiple acquisitions
ⓘ
led Zillow through IPO ⓘ |
| notableWork | Zillow Talk: The New Rules of Real Estate ⓘ |
| occupation |
business executive
ⓘ
entrepreneur ⓘ investor ⓘ |
| placeOfBirth | New York City ⓘ |
| positionHeld |
Chief Executive Officer of Zillow
ⓘ
Chief Operating Officer of Hotwire.com ⓘ Vice President of Lodging at Expedia ⓘ co-founder of Zillow ⓘ executive chairman of dot.LA ⓘ |
| residence | Los Angeles ⓘ |
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: Spencer Rascoff Description of subject: Spencer Rascoff is an American entrepreneur and executive best known as the co-founder and former CEO of real estate marketplace Zillow.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.