Triple
T5836496
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Municipal Transportation Agency |
E129483
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | historic F Market & Wharves streetcar line |
E363842
|
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: historic F Market & Wharves streetcar line | Statement: [San Francisco Municipal Transportation Agency, operates, historic F Market & Wharves streetcar line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: historic F Market & Wharves streetcar line Context triple: [San Francisco Municipal Transportation Agency, operates, historic F Market & Wharves streetcar line]
-
A.
F Market & Wharves historic streetcar line
chosen
The F Market & Wharves historic streetcar line is a San Francisco transit route that operates vintage streetcars along Market Street and the Embarcadero, serving both daily commuters and tourists.
-
B.
historic streetcar F-line
The historic streetcar F-line is a popular San Francisco transit route that uses restored vintage streetcars to connect key areas of the city, including the Embarcadero and Market Street.
-
C.
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.
-
D.
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.
-
E.
Mattapan Trolley
The Mattapan Trolley is a historic light rail line in Boston that operates vintage PCC streetcars between Ashmont and Mattapan stations.
- 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_69c0084af79c81908af128ccc29983d0 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c034a48750819099ae917ae2b54e6d |
completed | March 22, 2026, 6:27 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0a19a6554819086cdae499f4d2247 |
completed | March 23, 2026, 2:12 a.m. |
Created at: March 22, 2026, 3:54 p.m.