Triple
T16171766
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco International Airport AirTrain system |
E392455
|
entity |
| Predicate | transportsBetween |
P3034
|
FINISHED |
| Object | Bay Area Rapid Transit station at SFO |
E93519
|
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: Bay Area Rapid Transit station at SFO | Statement: [San Francisco International Airport AirTrain system, transportsBetween, Bay Area Rapid Transit station at SFO]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bay Area Rapid Transit station at SFO Context triple: [San Francisco International Airport AirTrain system, transportsBetween, Bay Area Rapid Transit station at SFO]
-
A.
San Francisco International Airport station
chosen
San Francisco International Airport station is a Bay Area Rapid Transit (BART) rail station that directly serves San Francisco International Airport, providing regional transit connections for air travelers.
-
B.
San Francisco International Airport AirTrain system
The San Francisco International Airport AirTrain system is an automated people mover that transports passengers between airport terminals, parking garages, rental car facilities, and the Bay Area Rapid Transit (BART) station at SFO.
-
C.
South San Francisco BART station
South San Francisco BART station is a Bay Area Rapid Transit station in South San Francisco, California, serving the Peninsula corridor between San Francisco and San Mateo County.
-
D.
San Bruno BART station
San Bruno BART station is a Bay Area Rapid Transit station in San Bruno, California, serving as a regional rail link between the San Francisco Peninsula and the greater Bay Area.
-
E.
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.
- 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_69d87f1d32208190942e4e499a80c18c |
completed | April 10, 2026, 4:39 a.m. |
| NER | Named-entity recognition | batch_69e21eb7ab1481908fc35bfc8c56e5f2 |
completed | April 17, 2026, 11:51 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fff7bd87f08190a9f2a1524e5db2ba |
completed | May 10, 2026, 3:13 a.m. |
Created at: April 10, 2026, 5:02 a.m.