Triple
T6896522
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Antioch–SFO+Millbrae line |
E159382
|
entity |
| Predicate | connectsSuburbanCommunitiesTo |
P65485
|
FINISHED |
| Object | San Francisco International Airport |
E2842
|
NE FINISHED |
How this triple was built (3 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 Francisco International Airport | Statement: [BART Antioch–SFO+Millbrae line, connectsSuburbanCommunitiesTo, San Francisco International Airport]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco International Airport Context triple: [BART Antioch–SFO+Millbrae line, connectsSuburbanCommunitiesTo, San Francisco International Airport]
-
A.
San Francisco International Airport
chosen
San Francisco International Airport is a major international air travel hub serving the San Francisco Bay Area and one of the busiest airports in the United States.
-
B.
Sacramento International Airport
Sacramento International Airport is a primary commercial airport serving the Sacramento metropolitan area and the broader Northern California region.
-
C.
San Jose International Airport
San Jose International Airport is a major commercial airport in Silicon Valley serving the San Jose and greater Bay Area region.
-
D.
Los Angeles International Airport
Los Angeles International Airport is one of the busiest airports in the world and a major international gateway for air travel to and from the United States.
-
E.
Oakland International Airport
Oakland International Airport is a major commercial airport in the San Francisco Bay Area that serves as a key hub for passenger and cargo flights in Northern California.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: connectsSuburbanCommunitiesTo Context triple: [BART Antioch–SFO+Millbrae line, connectsSuburbanCommunitiesTo, San Francisco International Airport]
-
A.
connectsCityTo
Indicates a relationship in which a route, infrastructure, or link joins one city to another, enabling connection or interaction between them.
-
B.
isSuburbanRouteOf
chosen
Indicates that a given route functions as a suburban segment or service line belonging to, or operating as part of, a larger primary route or network.
-
C.
connectsCityIndirectly
Indicates that one location is linked to a city through one or more intermediate locations or routes, rather than by a direct connection.
-
D.
connectsCity
Indicates a relationship where one entity serves as a link or route that joins or provides direct access between two cities.
-
E.
suburbanBelt
Indicates that one area forms a suburban belt or ring surrounding another, typically as a zone of residential or peripheral development around a core urban center.
- F. None of above.
Provenance (4 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_69c6883822e0819091e321526f20ae0a |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6d95ae3f88190b7f5d440f90ae9f9 |
completed | March 27, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7511fbe808190bc3dfb7c34a7cbb6 |
completed | March 28, 2026, 3:55 a.m. |
| PD | Predicate disambiguation | batch_69c6d7b7681481909ec50509b19fcf81 |
completed | March 27, 2026, 7:17 p.m. |
Created at: March 27, 2026, 2:24 p.m.