Triple
T15562600
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Powell Street station |
E371034
|
entity |
| Predicate | servesLine |
P839
|
FINISHED |
| Object | Muni Metro N Judah line |
E126508
|
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 N Judah line | Statement: [Powell Street station, servesLine, Muni Metro N Judah line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Muni Metro N Judah line Context triple: [Powell Street station, servesLine, Muni Metro N Judah line]
-
A.
Muni Metro N Judah line
chosen
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 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 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.
-
D.
Muni Metro T Third Street line
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.
-
E.
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.
- 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_69d85cc6cf40819091f4a5facee1ebe6 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04ddc66448190948280fb0c8d390c |
completed | April 16, 2026, 2:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff82e56ffc81909e3228a660df4e09 |
completed | May 9, 2026, 6:54 p.m. |
Created at: April 10, 2026, 4:09 a.m.