Triple
T14074541
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART West Oakland station |
E338696
|
entity |
| Predicate | adjacentStation |
P5707
|
FINISHED |
| Object | 19th Street/Oakland station |
E231569
|
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: 19th Street/Oakland station | Statement: [BART West Oakland station, adjacentStation, 19th Street/Oakland station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 19th Street/Oakland station Context triple: [BART West Oakland station, adjacentStation, 19th Street/Oakland station]
-
A.
19th Street Oakland station
chosen
19th Street Oakland station is a major Bay Area Rapid Transit (BART) underground station serving central Oakland, California.
-
B.
Oakland City Center/12th Street station
Oakland City Center/12th Street station is a major underground rapid transit hub in downtown Oakland, California, serving multiple Bay Area Rapid Transit (BART) lines.
-
C.
Montgomery Street station
Montgomery Street station is a major Bay Area Rapid Transit (BART) and Muni Metro subway station serving downtown San Francisco’s Financial District.
-
D.
Alameda station
Alameda station is an underground interchange station on the Lisbon Metro system, serving as a key connection point between multiple metro lines in the city.
-
E.
19th Street station
19th Street station is an underground trolley stop in Center City Philadelphia serving SEPTA’s Subway–Surface Trolley Lines.
- 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_69d81c687b0c819087fd9ed4198403f8 |
completed | April 9, 2026, 9:38 p.m. |
| NER | Named-entity recognition | batch_69de5c5bc49881909012b66fa451f495 |
completed | April 14, 2026, 3:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fcd09f69c08190b5cd12f9ff1a3f73 |
completed | May 7, 2026, 5:49 p.m. |
Created at: April 9, 2026, 10:21 p.m.