Triple

T3578864
Position Surface form Disambiguated ID Type / Status
Subject Union Square/Market Street station E75752 entity
Predicate serves P98 FINISHED
Object Muni Metro T Third Street line E122988 NE FINISHED

How this triple was built (2 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: Muni Metro T Third Street line | Statement: [Union Square/Market Street station, serves, Muni Metro T Third Street line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Muni Metro T Third Street line
Context triple: [Union Square/Market Street station, serves, Muni Metro T Third Street line]
  • A. Muni Metro T Third Street line chosen
    The Muni Metro T Third Street line is a light rail service in San Francisco that runs along the city’s eastern waterfront, connecting neighborhoods from Visitacion Valley and Bayview to downtown and beyond.
  • B. Muni Metro K Ingleside line
    The Muni Metro K Ingleside line is a light rail service in San Francisco that runs from downtown through the Twin Peaks Tunnel to the southwestern neighborhoods, including Ingleside.
  • C. Muni Metro N Judah line
    The Muni Metro N Judah line is a light rail line in San Francisco that runs from downtown through neighborhoods like the Inner Sunset to the Outer Sunset near Ocean Beach.
  • D. Muni Metro line L
    Muni Metro line L is a light rail service in San Francisco that runs between downtown and the southwestern neighborhoods, including the Castro District and the Sunset District.
  • E. Muni Metro line S
    Muni Metro line S is a San Francisco light rail service that connects the Castro District with other parts of the city as part of the Muni Metro network.
  • F. None of above.
  • G. Unsure - the case is ambiguous/there is not enough information to decide.

Provenance (3 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_69ad85d5e3008190bdfe0bacdd1f5a1b completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adc0defe14819095a337a840e33300 completed March 8, 2026, 6:33 p.m.
NED1 Entity disambiguation (via context triple) batch_69b43301c2d8819089ee18732c1df29d completed March 13, 2026, 3:53 p.m.
Created at: March 8, 2026, 3:21 p.m.