Triple

T2048498
Position Surface form Disambiguated ID Type / Status
Subject Montgomery Street station E45508 entity
Predicate partOfLine P6309 FINISHED
Object Muni Metro J Church line
The Muni Metro J Church line is a light rail service in San Francisco that runs from the downtown Market Street subway to the southern neighborhoods along Church Street.
 E238047 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: Muni Metro J Church line | Statement: [Montgomery Street station, partOfLine, Muni Metro J Church line]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Muni Metro J Church line
Context triple: [Montgomery Street station, partOfLine, Muni Metro J Church line]
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Muni F-Market & Wharves line
    The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
  • E. Muni Metro line M
    Muni Metro line M is a light rail service in San Francisco that connects neighborhoods including the Castro District with the southwestern parts of the city and San Francisco State University.
  • 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: Muni Metro J Church line
Triple: [Montgomery Street station, partOfLine, Muni Metro J Church line]
Generated description
The Muni Metro J Church line is a light rail service in San Francisco that runs from the downtown Market Street subway to the southern neighborhoods along Church Street.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Muni Metro J Church line
Target entity description: The Muni Metro J Church line is a light rail service in San Francisco that runs from the downtown Market Street subway to the southern neighborhoods along Church Street.
  • A. 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.
  • B. 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.
  • C. 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.
  • D. Muni F-Market & Wharves line
    The Muni F-Market & Wharves line is a historic streetcar route in San Francisco that runs along Market Street and the Embarcadero, connecting downtown with popular waterfront destinations.
  • E. Muni Metro line M
    Muni Metro line M is a light rail service in San Francisco that connects neighborhoods including the Castro District with the southwestern parts of the city and San Francisco State University.
  • 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_69a8891948208190ab7898da21824c77 completed March 4, 2026, 7:33 p.m.
NER Named-entity recognition batch_69abb98c70c48190beb98aad56d9daf1 completed March 7, 2026, 5:37 a.m.
NED1 Entity disambiguation (via context triple) batch_69ae5181998c819098dd5a7fd3c5757c completed March 9, 2026, 4:50 a.m.
NEDg Description generation batch_69ae5306e2b0819082da3279b30c78b1 completed March 9, 2026, 4:56 a.m.
NED2 Entity disambiguation (via description) batch_69ae537692688190be564b3d4dff23ee completed March 9, 2026, 4:58 a.m.
Created at: March 4, 2026, 7:39 p.m.