Triple
T16194652
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Silicon Valley extension |
E393030
|
entity |
| Predicate | hasPart |
P35
|
FINISHED |
| Object | Santa Clara station |
E510858
|
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: Santa Clara station | Statement: [BART Silicon Valley extension, hasPart, Santa Clara station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Santa Clara station Context triple: [BART Silicon Valley extension, hasPart, Santa Clara station]
-
A.
Santa Clara station
chosen
Santa Clara station is a Caltrain and Amtrak rail station in Santa Clara, California, serving as a key regional transit hub near San Jose.
-
B.
San Mateo station
San Mateo station is a Caltrain commuter rail stop in San Mateo, California, serving as a key transit point for Peninsula rail passengers between San Francisco and San Jose.
-
C.
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.
-
D.
Mountain View station
Mountain View station is a commuter rail stop in Mountain View, California, serving as a key transit hub on the Caltrain line and connecting to local light rail and bus services.
-
E.
Sunnyvale Station
Sunnyvale Station is a commuter rail station in Sunnyvale, California, serving Caltrain passengers along the San Francisco Peninsula.
- 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_6a00078bbc388190b3fb793556ddd75a |
completed | May 10, 2026, 4:20 a.m. |
Created at: April 10, 2026, 5:02 a.m.