Triple
T16194828
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Hayward station |
E393034
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | San Leandro station |
E396645
|
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: San Leandro station | Statement: [Hayward station, hasAdjacentStation, San Leandro station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Leandro station Context triple: [Hayward station, hasAdjacentStation, San Leandro station]
-
A.
San Leandro station
chosen
San Leandro station is a Bay Area Rapid Transit (BART) station in San Leandro, California, serving as a key stop on lines connecting the East Bay with the broader San Francisco Bay Area rail network.
-
B.
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.
-
C.
California (Green Line) station
California (Green Line) station is a Chicago 'L' rapid transit stop on the Green Line located in the city's West Garfield Park neighborhood.
-
D.
Castro Valley station
Castro Valley station is a Bay Area Rapid Transit (BART) station in Castro Valley, California, serving as a regional commuter rail stop in the East Bay.
-
E.
Emeryville station
Emeryville station is a major Amtrak rail terminal in Emeryville, California, serving as the primary San Francisco–area hub and western terminus for long-distance routes like the California Zephyr.
- 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_6a0017a90be08190bd9fb64abd424e1e |
completed | May 10, 2026, 5:29 a.m. |
Created at: April 10, 2026, 5:02 a.m.