Proposition 1A (2008)
E517619
Proposition 1A (2008) was a California ballot measure that authorized billions in bonds to begin funding the state’s high-speed rail system.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Proposition 1A (2008) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5391211 — 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 1A (2008) Context triple: [California High-Speed Rail, approvalMechanism, Proposition 1A (2008)]
-
A.
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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B.
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.
-
C.
Los Angeles County transportation sales tax ordinance known as Measure R
The Los Angeles County transportation sales tax ordinance known as Measure R is a voter-approved half-cent sales tax measure that funds major public transit expansions, highway improvements, and local transportation projects across the county.
-
D.
Measure R
Measure R is a Los Angeles County half-cent sales tax measure approved by voters in 2008 to fund a wide range of transportation improvements, including rail, bus, highway, and local transit projects.
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E.
California Proposition 64
California Proposition 64 is the 2016 ballot initiative that legalized recreational cannabis use for adults in California and established a regulated commercial marijuana market.
- 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 1A (2008) Target entity description: Proposition 1A (2008) was a California ballot measure that authorized billions in bonds to begin funding the state’s high-speed rail system.
-
A.
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.
-
B.
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.
-
C.
Los Angeles County transportation sales tax ordinance known as Measure R
The Los Angeles County transportation sales tax ordinance known as Measure R is a voter-approved half-cent sales tax measure that funds major public transit expansions, highway improvements, and local transportation projects across the county.
-
D.
Measure R
Measure R is a Los Angeles County half-cent sales tax measure approved by voters in 2008 to fund a wide range of transportation improvements, including rail, bus, highway, and local transit projects.
-
E.
California Proposition 64
California Proposition 64 is the 2016 ballot initiative that legalized recreational cannabis use for adults in California and established a regulated commercial marijuana market.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
California ballot proposition
ⓘ
statewide bond measure ⓘ |
| administeredBy | California High-Speed Rail Authority ⓘ |
| authorizedBondAmount |
$9.95 billion
ⓘ
9950000000 USD ⓘ |
| ballotLocation | California general election ballot ⓘ |
| ballotNumber | 1A ⓘ |
| ballotTitleIncludes | Safe, Reliable High-Speed Passenger Train Bond Act for the 21st Century ⓘ |
| ballotType | statewide ballot measure ⓘ |
| containsProvision |
independent review of funding plans before bond funds are committed
ⓘ
limits on operating subsidies for the high-speed rail system ⓘ requirement that each segment be financially viable before construction ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| election | 2008 California general election ⓘ |
| electionDate | 2008-11-04 ⓘ |
| enablingLegislation | AB 3034 ⓘ |
| fundingMechanism | general obligation bonds ⓘ |
| geographicScope | statewide California ⓘ |
| implementationStart | late 2000s ⓘ |
| includesFundingFor |
connecting and feeder rail services
ⓘ
construction of initial high-speed rail segments ⓘ planning and engineering for high-speed rail ⓘ right-of-way acquisition for high-speed rail ⓘ |
| initialSegment |
San Francisco–Los Angeles/Anaheim corridor
ⓘ
linked to:
Los Angeles–San Francisco
|
| jurisdiction |
State of California
ⓘ
linked to:
California, United States
|
| language | English ⓘ |
| noVoteShare | approximately 47.4% ⓘ |
| policyArea |
infrastructure finance
ⓘ
transportation policy ⓘ |
| projectBeneficiary | California High-Speed Rail Authority ⓘ |
| projectType | intercity high-speed passenger rail ⓘ |
| purpose |
construction of a high-speed passenger train system
ⓘ
funding California high-speed rail system ⓘ planning and construction of a high-speed rail network between major California cities ⓘ |
| regionServed |
Central Valley
ⓘ
San Francisco Bay Area ⓘ Southern California ⓘ |
| relatedEntity |
California High-Speed Rail Authority Board
ⓘ
linked to:
California High-Speed Rail Authority
California High-Speed Rail project ⓘ
linked to:
California High-Speed Rail
|
| result | approved by voters ⓘ |
| sector | public transportation ⓘ |
| shortName | Safe, Reliable High-Speed Passenger Train Bond Act ⓘ |
| sponsor |
California Legislature
ⓘ
linked to:
California State Legislature
|
| state |
California
ⓘ
linked to:
California, United States
|
| status | passed ⓘ |
| subject |
high-speed rail
ⓘ
rail transportation ⓘ transportation infrastructure ⓘ |
| year | 2008 ⓘ |
| yesVoteShare | approximately 52.6% ⓘ |
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 1A (2008) Description of subject: Proposition 1A (2008) was a California ballot measure that authorized billions in bonds to begin funding the state’s high-speed rail system.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.