Triple

T5836520
Position Surface form Disambiguated ID Type / Status
Subject San Francisco Municipal Transportation Agency E129483 entity
Predicate formedBy P972 FINISHED
Object Proposition E (San Francisco, 1999)
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.
E551943 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Proposition E (San Francisco, 1999) | Statement: [San Francisco Municipal Transportation Agency, formedBy, Proposition E (San Francisco, 1999)]
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)]
  • 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.
  • 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.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Proposition E (San Francisco, 1999)
Triple: [San Francisco Municipal Transportation Agency, formedBy, Proposition E (San Francisco, 1999)]
Generated 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.
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.
  • 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

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c0084af79c81908af128ccc29983d0 completed March 22, 2026, 3:18 p.m.
NER Named-entity recognition batch_69c034a48750819099ae917ae2b54e6d completed March 22, 2026, 6:27 p.m.
NED1 Entity disambiguation (via context triple) batch_69c0a19a6554819086cdae499f4d2247 completed March 23, 2026, 2:12 a.m.
NEDg Description generation batch_69c0a5ce005c8190a7da8d337caa089c completed March 23, 2026, 2:30 a.m.
NED2 Entity disambiguation (via description) batch_69c0a62cadf481909007a2a16cd36dbf completed March 23, 2026, 2:32 a.m.
Created at: March 22, 2026, 3:54 p.m.