Rascoff
E597248
Rascoff is the surname of Spencer Rascoff, an American entrepreneur best known as the co-founder and former CEO of Zillow.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Rascoff canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6494925 — 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: Rascoff Context triple: [Spencer Rascoff, familyName, Rascoff]
-
A.
Hersey
Hersey is a surname most notably associated with John Hersey, the American writer and journalist renowned for his work "Hiroshima."
-
B.
Kraft
Kraft is a prominent American surname most widely associated with billionaire businessman and New England Patriots owner Robert Kraft.
-
C.
Carvel
Carvel is a fictional small American town that serves as the primary setting for the Andy Hardy film series.
-
D.
Dunnigan
Dunnigan is a small unincorporated community in Yolo County, California, known primarily as a rural agricultural area along Interstate 5.
-
E.
Hillenbrand
Hillenbrand is a surname of German origin borne by various notable individuals in fields such as diplomacy, literature, and sports.
- 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: Rascoff Target entity description: Rascoff is the surname of Spencer Rascoff, an American entrepreneur best known as the co-founder and former CEO of Zillow.
-
A.
Hersey
Hersey is a surname most notably associated with John Hersey, the American writer and journalist renowned for his work "Hiroshima."
-
B.
Kraft
Kraft is a prominent American surname most widely associated with billionaire businessman and New England Patriots owner Robert Kraft.
-
C.
Carvel
Carvel is a fictional small American town that serves as the primary setting for the Andy Hardy film series.
-
D.
Dunnigan
Dunnigan is a small unincorporated community in Yolo County, California, known primarily as a rural agricultural area along Interstate 5.
-
E.
Hillenbrand
Hillenbrand is a surname of German origin borne by various notable individuals in fields such as diplomacy, literature, and sports.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| boardMemberOf |
TripAdvisor
ⓘ
Zillow ⓘ |
| coAuthorWith | Stan Humphries ⓘ |
| coFounderOf | Zillow ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
Harvard College
ⓘ
linked to:
Harvard University
Harvard University ⓘ |
| employer | Zillow ⓘ |
| familyName | Rascoff ⓘ |
| genreOfWork | business ⓘ |
| givenName | Spencer ⓘ |
| hasRole |
startup founder
ⓘ
technology entrepreneur ⓘ |
| industry | real estate technology ⓘ |
| name | Spencer Rascoff ⓘ |
| notableFor |
co-founding Zillow
ⓘ
leadership in online real estate sector ⓘ serving as CEO of Zillow ⓘ |
| notableWork |
Zillow Talks: Rewriting the Rules of Real Estate
ⓘ
linked to:
Zillow Talk: The New Rules of Real Estate
|
| occupation |
business executive
ⓘ
entrepreneur ⓘ investor ⓘ |
| placeOfBirth | New York City ⓘ |
| positionHeld | Chief Executive Officer of Zillow ⓘ |
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: Rascoff Description of subject: Rascoff is the surname of Spencer Rascoff, an American entrepreneur best known as the co-founder and former CEO of Zillow.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Rascoff