Triple
T9185095
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Powell & Market cable car turnaround |
E220436
|
entity |
| Predicate | adjacentTo |
P224
|
FINISHED |
| Object | Powell Street BART station entrance |
E371034
|
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: Powell Street BART station entrance | Statement: [Powell & Market cable car turnaround, adjacentTo, Powell Street BART station entrance]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Powell Street BART station entrance Context triple: [Powell & Market cable car turnaround, adjacentTo, Powell Street BART station entrance]
-
A.
BART at Powell Street station
BART at Powell Street station is a major Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail service and interchanges with Muni Metro on Market Street.
-
B.
Powell Street BART/Muni station
chosen
Powell Street BART/Muni station is a major underground transit hub in downtown San Francisco serving both BART regional rail and Muni Metro light rail lines near the Union Square and Market Street area.
-
C.
Powell Street terminal
Powell Street terminal is a major San Francisco cable car turnaround and boarding point located near Union Square, serving as a key hub for tourists and commuters.
-
D.
Pittsburg Center BART station
Pittsburg Center BART station is an East Bay Area Rapid Transit station in Pittsburg, California, providing regional rail service and connections for commuters in the surrounding area.
-
E.
16th Street Mission BART station
16th Street Mission BART station is an underground rapid transit station on San Francisco’s BART system, located in the heart of the Mission District and serving as a key neighborhood transit hub.
- 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_69ca83e6d77c81909862b7afef56b1bf |
completed | March 30, 2026, 2:08 p.m. |
| NER | Named-entity recognition | batch_69ccc318d5c081908c50b56e5783ea38 |
completed | April 1, 2026, 7:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d05c19635c81908ad2cf07f5ad813c |
completed | April 4, 2026, 12:32 a.m. |
Created at: March 30, 2026, 7:24 p.m.