Proposition E (San Francisco, 1999)
E551943
Proposition E (San Francisco, 1999) was a city ballot measure that restructured and consolidated San Francisco’s transit and traffic functions into a single, more autonomous transportation agency.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Proposition E (San Francisco, 1999) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5836520 — 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: Proposition E (San Francisco, 1999) Context triple: [San Francisco Municipal Transportation Agency, formedBy, Proposition E (San Francisco, 1999)]
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A.
Proposition 1A (2008)
Proposition 1A (2008) was a California ballot measure that authorized billions in bonds to begin funding the state’s high-speed rail system.
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B.
San Francisco local elections
San Francisco local elections are the regularly scheduled municipal contests in which city voters choose officials such as the mayor, city attorney, and other local officeholders, along with deciding on local ballot measures.
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C.
Proposition 20 (2010)
Proposition 20 (2010) was a California ballot measure that expanded the authority of the state's independent citizens redistricting commission to include drawing congressional district boundaries.
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D.
Proposition 11 (2008)
Proposition 11 (2008) was a California ballot measure that transferred the power to draw state legislative district boundaries from the legislature to an independent citizens’ redistricting commission.
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E.
Charter of the City and County of San Francisco
The Charter of the City and County of San Francisco is the foundational governing document that establishes the structure, powers, and responsibilities of San Francisco’s municipal government.
- 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: Proposition E (San Francisco, 1999) Target entity description: Proposition E (San Francisco, 1999) was a city ballot measure that restructured and consolidated San Francisco’s transit and traffic functions into a single, more autonomous transportation agency.
-
A.
Proposition 1A (2008)
Proposition 1A (2008) was a California ballot measure that authorized billions in bonds to begin funding the state’s high-speed rail system.
-
B.
San Francisco local elections
San Francisco local elections are the regularly scheduled municipal contests in which city voters choose officials such as the mayor, city attorney, and other local officeholders, along with deciding on local ballot measures.
-
C.
Proposition 20 (2010)
Proposition 20 (2010) was a California ballot measure that expanded the authority of the state's independent citizens redistricting commission to include drawing congressional district boundaries.
-
D.
Proposition 11 (2008)
Proposition 11 (2008) was a California ballot measure that transferred the power to draw state legislative district boundaries from the legislature to an independent citizens’ redistricting commission.
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E.
Charter of the City and County of San Francisco
The Charter of the City and County of San Francisco is the foundational governing document that establishes the structure, powers, and responsibilities of San Francisco’s municipal government.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
San Francisco ballot proposition
ⓘ
local government reform measure ⓘ municipal ballot measure ⓘ |
| aimedTo |
improve coordination of transit and traffic policy
ⓘ
increase operational autonomy of the transportation agency ⓘ |
| alsoKnownAs | SFMTA charter amendment ⓘ |
| appliesTo |
San Francisco municipal government
ⓘ
linked to:
Government of San Francisco
|
| approvedBy | voters of San Francisco ⓘ |
| ballotDate | 1999 ⓘ |
| changed | San Francisco city charter provisions on transportation ⓘ |
| consolidatedInto | single transportation agency ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| created | San Francisco Municipal Transportation Agency ⓘ |
| established | more autonomous transportation agency ⓘ |
| governs |
San Francisco Municipal Railway (Muni)
ⓘ
linked to:
San Francisco Muni
city traffic engineering functions ⓘ parking and traffic enforcement functions ⓘ |
| hasJurisdiction |
City and County of San Francisco
ⓘ
linked to:
San Francisco County
|
| hasLongTermEffectOn | governance structure of San Francisco transportation ⓘ |
| implementedIn | early 2000s ⓘ |
| legalForm | charter amendment ⓘ |
| levelOfGovernment | local ⓘ |
| locatedIn |
California
ⓘ
linked to:
California, United States
|
| policyArea |
traffic regulation
ⓘ
urban planning ⓘ urban transportation ⓘ |
| regulates |
parking management in San Francisco
ⓘ
public transit operations in San Francisco ⓘ traffic control in San Francisco ⓘ |
| relatedTo | San Francisco Municipal Transportation Agency Board of Directors ⓘ |
| restructured |
San Francisco traffic functions
ⓘ
San Francisco transit functions ⓘ |
| result | passed ⓘ |
| scope | citywide transportation system ⓘ |
| subject |
municipal transit consolidation
ⓘ
parking regulation ⓘ public transportation governance ⓘ traffic management ⓘ |
| typeOfChange |
administrative reorganization
ⓘ
institutional consolidation ⓘ |
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: Proposition E (San Francisco, 1999) Description of subject: Proposition E (San Francisco, 1999) was a city ballot measure that restructured and consolidated San Francisco’s transit and traffic functions into a single, more autonomous transportation agency.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.