Triple

T3494648
Position Surface form Disambiguated ID Type / Status
Subject T Third Street line E73820 entity
Predicate category P87 FINISHED
Object Muni Metro lines
Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
E370826 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 lines | Statement: [T Third Street line, category, Muni Metro lines]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Muni Metro lines
Context triple: [T Third Street line, category, Muni Metro lines]
  • A. 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.
  • B. 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.
  • 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 Market Street lines
    Muni Metro Market Street lines are a set of light rail routes in San Francisco that run in a subway beneath Market Street, forming the core of the city’s urban rail transit corridor.
  • 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 lines
Triple: [T Third Street line, category, Muni Metro lines]
Generated description
Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Muni Metro lines
Target entity description: Muni Metro lines are a network of light rail routes in San Francisco that provide rapid transit service across the city as part of the San Francisco Municipal Railway system.
  • A. 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.
  • B. 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.
  • 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 Market Street lines
    Muni Metro Market Street lines are a set of light rail routes in San Francisco that run in a subway beneath Market Street, forming the core of the city’s urban rail transit corridor.
  • 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_69ad85cdb6e48190a335d412b9194ed8 completed March 8, 2026, 2:21 p.m.
NER Named-entity recognition batch_69adbbaebed881909d9cbc9c4c1f138f completed March 8, 2026, 6:10 p.m.
NED1 Entity disambiguation (via context triple) batch_69b402cf675c81909e8625bfc0becc91 completed March 13, 2026, 12:27 p.m.
NEDg Description generation batch_69b406af1ed88190884541ee1671cabd completed March 13, 2026, 12:44 p.m.
NED2 Entity disambiguation (via description) batch_69b4086ab034819086c5fa7d4b172d75 completed March 13, 2026, 12:51 p.m.
Created at: March 8, 2026, 3:18 p.m.