Triple
T16822105
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Castro Street (San Francisco) |
E408917
|
entity |
| Predicate | hasPublicTransport |
P1288
|
FINISHED |
| Object | Muni Metro F Market & Wharves historic streetcar |
E54192
|
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 F Market & Wharves historic streetcar | Statement: [Castro Street (San Francisco), hasPublicTransport, Muni Metro F Market & Wharves historic streetcar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Muni Metro F Market & Wharves historic streetcar Context triple: [Castro Street (San Francisco), hasPublicTransport, Muni Metro F Market & Wharves historic streetcar]
-
A.
San Francisco Muni historic streetcars
San Francisco Muni historic streetcars are a fleet of restored vintage streetcars from around the world that operate as regular public transit along San Francisco’s F-Market & Wharves and E-Embarcadero lines.
-
B.
Muni F-Market & Wharves line
chosen
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
Muni Metro is San Francisco’s light rail and streetcar system, forming a core part of the city’s public transit network.
-
D.
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.
-
E.
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.
- 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_69d88394566c8190b3dcbdc72935f7fa |
completed | April 10, 2026, 4:59 a.m. |
| NER | Named-entity recognition | batch_69e3b2e77ab88190be1ec8179251864e |
completed | April 18, 2026, 4:35 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00b29a3854819099eed580eea5d84d |
completed | May 10, 2026, 4:30 p.m. |
Created at: April 10, 2026, 5:23 a.m.