London Breed
E587
London Breed is an American politician serving as the mayor of San Francisco and the first Black woman to hold that office.
All labels observed (3)
| Label | Occurrences |
|---|---|
| London Breed canonical | 13 |
| Breed | 1 |
| London Breed mayoralty | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11871 — 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: London Breed Context triple: [San Francisco, leaderName, London Breed]
-
A.
Chocolate City
Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
-
B.
Manchester
Manchester is a major city in northwest England known for its industrial heritage, vibrant cultural scene, and influential contributions to music, sport, and science.
-
C.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
D.
Lynn
Lynn is a coastal city in northeastern Massachusetts, known as one of the larger urban centers in the Greater Boston metropolitan area.
-
E.
Porter
Porter is a transit station in Cambridge, Massachusetts that serves both MBTA commuter rail and Red Line subway services.
- 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: London Breed Target entity description: London Breed is an American politician serving as the mayor of San Francisco and the first Black woman to hold that office.
-
A.
Chocolate City
Chocolate City is a popular nickname for Washington, D.C., highlighting its historically large and influential African American population and culture.
-
B.
Manchester
Manchester is a major city in northwest England known for its industrial heritage, vibrant cultural scene, and influential contributions to music, sport, and science.
-
C.
Douglas
Douglas is a masculine given name of Scottish origin that has been widely used in English-speaking countries.
-
D.
Lynn
Lynn is a coastal city in northeastern Massachusetts, known as one of the larger urban centers in the Greater Boston metropolitan area.
-
E.
Porter
Porter is a transit station in Cambridge, Massachusetts that serves both MBTA commuter rail and Red Line subway services.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
human
ⓘ
mayor ⓘ politician ⓘ |
| continentOfCitizenship | North America ⓘ |
| countryOfBirth | United States of America ⓘ |
| countryOfCitizenship | United States of America ⓘ |
| educatedAt |
University of California, Davis
ⓘ
University of San Francisco ⓘ
linked to:
University of San Francisco School of Law
|
| employer |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| ethnicGroup | African American ⓘ |
| familyName |
Breed
ⓘ
linked to:
London Breed
|
| fieldOfStudy |
political science
ⓘ
public administration ⓘ |
| givenName |
London
ⓘ
linked to:
London, England
|
| governs |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| hasRole |
city leader
ⓘ
public administrator ⓘ |
| isA |
African-American woman in politics
ⓘ
American city councillor ⓘ American mayor ⓘ |
| jurisdictionOfOffice |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
San Francisco, California ⓘ
linked to:
San Francisco
|
| knownForPolicyArea |
homelessness policy in San Francisco
ⓘ
housing policy in San Francisco ⓘ public transportation in San Francisco ⓘ |
| languageSpoken | English ⓘ |
| livesIn |
San Francisco, California
ⓘ
linked to:
San Francisco
|
| memberOfPoliticalParty | Democratic Party ⓘ |
| name | London Breed ⓘ |
| notableAchievement |
first Black woman elected mayor of San Francisco
ⓘ
one of the first Black women to lead a major U.S. city ⓘ |
| notableFor |
being the first Black woman mayor of San Francisco
ⓘ
serving as mayor of San Francisco ⓘ |
| notableOfficeStartContext | became acting mayor of San Francisco after the death of Mayor Ed Lee ⓘ |
| occupation | politician ⓘ |
| officeHeld | Mayor of San Francisco ⓘ |
| placeOfBirth |
San Francisco, California
ⓘ
linked to:
San Francisco
|
| politicalAlignment | progressive wing of the Democratic Party ⓘ |
| positionHeld | Mayor of San Francisco ⓘ |
| previousPositionHeld |
Member of the San Francisco Board of Supervisors
ⓘ
President of the San Francisco Board of Supervisors ⓘ |
| regionOfActivity |
California
ⓘ
linked to:
California, United States
San Francisco Bay Area ⓘ |
| residence |
San Francisco, California
ⓘ
linked to:
San Francisco
|
| sexOrGender | female ⓘ |
| stateOfBirth |
California
ⓘ
linked to:
California, United States
|
| typeOfLeader | municipal executive ⓘ |
| workLocation |
San Francisco, California
ⓘ
linked to:
San Francisco
|
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: London Breed Description of subject: London Breed is an American politician serving as the mayor of San Francisco and the first Black woman to hold that office.
Referenced by (15)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: London Breed
subject linked to:
San Francisco (via Wikimedia Foundation)
linked to: London Breed