Triple
T16334634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Orange Line |
E396644
|
entity |
| Predicate | usesInfrastructure |
P6820
|
FINISHED |
| Object | BART Richmond–Fremont–San José corridor |
E1205623
|
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: BART Richmond–Fremont–San José corridor | Statement: [BART Orange Line, usesInfrastructure, BART Richmond–Fremont–San José corridor]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BART Richmond–Fremont–San José corridor Context triple: [BART Orange Line, usesInfrastructure, BART Richmond–Fremont–San José corridor]
-
A.
East Bay BART corridor
chosen
The East Bay BART corridor is a major rapid transit route running through the eastern side of the San Francisco Bay Area, connecting multiple cities via Bay Area Rapid Transit.
-
B.
BART Richmond–Millbrae+SFO line
The BART Richmond–Millbrae+SFO line is a Bay Area Rapid Transit route that runs from Richmond in the East Bay through Oakland and San Francisco to Millbrae and San Francisco International Airport.
-
C.
BART Fremont line
The BART Fremont line is a Bay Area Rapid Transit route in the San Francisco Bay Area that historically extended service to the city of Fremont in southern Alameda County.
-
D.
San Francisco–San Jose rail corridor
The San Francisco–San Jose rail corridor is a major commuter and intercity rail line on the San Francisco Peninsula that connects San Francisco and San Jose, primarily served by Caltrain.
-
E.
BART Antioch–SFO+Millbrae line
The BART Antioch–SFO+Millbrae line is a Bay Area Rapid Transit service that runs between Antioch in the East Bay and San Francisco International Airport and Millbrae, connecting suburban communities with major regional transit hubs.
- 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_69d87f255b788190a400eba031dd85d8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e2c4e29db88190936a07deb5b1c1e3 |
completed | April 17, 2026, 11:40 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a00bafe159c8190b66d2cd21b8ddb88 |
completed | May 10, 2026, 5:06 p.m. |
Created at: April 10, 2026, 5:07 a.m.