Triple

T18591749
Position Surface form Disambiguated ID Type / Status
Subject Bayview, San Francisco E454384 entity
Predicate transportServedBy P1298 FINISHED
Object T Third Street light rail line — NE NERFINISHED

How this triple was built (3 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: T Third Street light rail line | Statement: [Bayview, San Francisco, transportServedBy, T Third Street light rail line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: T Third Street light rail line
Context triple: [Bayview, San Francisco, transportServedBy, T Third Street light rail line]
  • A. Green Line light rail corridor
    The Green Line light rail corridor is a major transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis and downtown St. Paul, running through several neighborhoods and commercial districts along the way.
  • B. Central Light Rail Line
    The Central Light Rail Line is a key light rail transit corridor in Maryland that provides urban and suburban passenger rail service through the Baltimore metropolitan area.
  • C. Ring 3 Light Rail
    Ring 3 Light Rail is a planned light rail line in the Copenhagen metropolitan area designed to connect suburbs along the city’s Ring 3 corridor and improve orbital public transport.
  • D. C Line light rail
    C Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that operates along the Southeast Corridor, linking downtown Denver with southern suburbs.
  • E. D Line light rail
    D Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that runs through central and southern parts of the metro area, connecting key downtown and suburban destinations.
  • 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: T Third Street light rail line
Target entity description: The T Third Street light rail line is a Muni Metro route in San Francisco that runs through southeastern neighborhoods, including Bayview, connecting them to the city’s downtown and central transit network.
  • A. Green Line light rail corridor
    The Green Line light rail corridor is a major transit route in the Minneapolis–Saint Paul metropolitan area that connects downtown Minneapolis and downtown St. Paul, running through several neighborhoods and commercial districts along the way.
  • B. Central Light Rail Line
    The Central Light Rail Line is a key light rail transit corridor in Maryland that provides urban and suburban passenger rail service through the Baltimore metropolitan area.
  • C. Ring 3 Light Rail
    Ring 3 Light Rail is a planned light rail line in the Copenhagen metropolitan area designed to connect suburbs along the city’s Ring 3 corridor and improve orbital public transport.
  • D. C Line light rail
    C Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that operates along the Southeast Corridor, linking downtown Denver with southern suburbs.
  • E. D Line light rail
    D Line light rail is a Denver-area Regional Transportation District (RTD) light rail service that runs through central and southern parts of the metro area, connecting key downtown and suburban destinations.
  • F. None of above. chosen

Provenance (2 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_69d8d38ae7e081908a98df1251842402 completed April 10, 2026, 10:40 a.m.
NER Named-entity recognition batch_69e545b6792481908eae92718aa4c889 completed April 19, 2026, 9:14 p.m.
Created at: April 10, 2026, 11:44 a.m.