Triple
T16194650
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Silicon Valley extension |
E393030
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Downtown San José station |
E22865
|
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: Downtown San José station | Statement: [BART Silicon Valley extension, hasPart, Downtown San José station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Downtown San José station Context triple: [BART Silicon Valley extension, hasPart, Downtown San José station]
-
A.
San Jose Diridon station
chosen
San Jose Diridon station is a major intermodal transit hub in San Jose, California, serving commuter rail, intercity rail, light rail, and bus services.
-
B.
San José station
San José station is a stop on Buenos Aires’ Line E underground, serving passengers in the city’s central area.
-
C.
Berryessa/North San José station
Berryessa/North San José station is a Bay Area Rapid Transit (BART) rail station serving the Berryessa and North San José neighborhoods in San Jose, California.
-
D.
Palo Alto station
Palo Alto station is a major commuter rail stop in Palo Alto, California, serving as a key hub on the Caltrain line between San Francisco and San Jose.
-
E.
Milpitas station
Milpitas station is a Bay Area Rapid Transit (BART) station in Milpitas, California, serving as a key transit hub in Silicon Valley with connections to regional rail and bus services.
- 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_69d87f1e49ac8190a311b54d32990576 |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e222d851188190b2452d165e4fc4bd |
completed | April 17, 2026, 12:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a000ecf454081909660f4ab9c556ddc |
completed | May 10, 2026, 4:51 a.m. |
Created at: April 10, 2026, 5:02 a.m.