Triple
T10916322
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Broadway (Oakland, California) |
E257831
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | 19th Street Oakland BART 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 BART station | Statement: [Broadway (Oakland, California), servedBy, 19th Street Oakland BART station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: 19th Street Oakland BART station Context triple: [Broadway (Oakland, California), servedBy, 19th Street Oakland BART 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 BART station
Oakland City Center BART station is a rapid transit station in downtown Oakland, California, serving as a key hub on the Bay Area Rapid Transit system.
-
C.
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.
-
D.
Powell Street BART/Muni station
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.
-
E.
Rockridge BART station
Rockridge BART station is an elevated rapid transit station in Oakland, California, serving the Rockridge neighborhood on the Bay Area Rapid Transit system.
- 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_69d6aa864ed88190818280ab6791d065 |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d7707deb608190903b1066e19600d3 |
completed | April 9, 2026, 9:25 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e23bbf70688190be9315a75582dbe2 |
completed | April 17, 2026, 1:55 p.m. |
Created at: April 8, 2026, 9:22 p.m.