Roberta Hubbard
E603410
Roberta Hubbard was a member of the prominent Hubbard family, known primarily as the sister of Mabel Gardiner Hubbard, the wife of inventor Alexander Graham Bell.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Roberta Hubbard canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T6589765 — 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: Roberta Hubbard Context triple: [Mabel Gardiner Hubbard, sibling, Roberta Hubbard]
-
A.
Roberta Martin
Roberta Martin is a central childhood friend in the coming-of-age film "Now and Then," known for her tomboyish personality and strong, loyal nature within the group.
-
B.
Joyce Redman
Joyce Redman was an Irish-born British actress known for her character roles in film, television, and theatre, including acclaimed performances in adaptations of classic literature.
-
C.
Margaret Haley
Margaret Haley was an influential American educator and labor activist who championed teachers' rights and helped pioneer the modern teachers' union movement.
-
D.
Dorothy Peterson
Dorothy Peterson was an American character actress active in the early to mid-20th century, known for her numerous supporting roles in Hollywood films.
-
E.
Roberta Tubbs
Roberta Tubbs is a fictional teenage character from the animated TV series "The Cleveland Show," known as the daughter of Donna Tubbs and stepdaughter of Cleveland Brown.
- 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: Roberta Hubbard Target entity description: Roberta Hubbard was a member of the prominent Hubbard family, known primarily as the sister of Mabel Gardiner Hubbard, the wife of inventor Alexander Graham Bell.
-
A.
Roberta Martin
Roberta Martin is a central childhood friend in the coming-of-age film "Now and Then," known for her tomboyish personality and strong, loyal nature within the group.
-
B.
Joyce Redman
Joyce Redman was an Irish-born British actress known for her character roles in film, television, and theatre, including acclaimed performances in adaptations of classic literature.
-
C.
Margaret Haley
Margaret Haley was an influential American educator and labor activist who championed teachers' rights and helped pioneer the modern teachers' union movement.
-
D.
Dorothy Peterson
Dorothy Peterson was an American character actress active in the early to mid-20th century, known for her numerous supporting roles in Hollywood films.
-
E.
Roberta Tubbs
Roberta Tubbs is a fictional teenage character from the animated TV series "The Cleveland Show," known as the daughter of Donna Tubbs and stepdaughter of Cleveland Brown.
- F. None of above. chosen
Statements (10)
| Predicate | Object |
|---|---|
| instanceOf | human ⓘ |
| familyName | Hubbard ⓘ |
| givenName | Roberta ⓘ |
| memberOf | Hubbard family ⓘ |
| notableFor | being the sister of Mabel Gardiner Hubbard ⓘ |
| notableWork | invention of the telephone ⓘ |
| occupation | inventor ⓘ |
| sexOrGender | female ⓘ |
| sibling |
Mabel Gardiner Hubbard
ⓘ
linked to:
Mabel Hubbard Bell
|
| spouse | Alexander Graham Bell ⓘ |
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: Roberta Hubbard Description of subject: Roberta Hubbard was a member of the prominent Hubbard family, known primarily as the sister of Mabel Gardiner Hubbard, the wife of inventor Alexander Graham Bell.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.