Triple
T3626058
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Market Street subway |
E76841
|
entity |
| Predicate | hasSection |
P35
|
FINISHED |
| Object | BART upper level |
E364949
|
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 upper level | Statement: [Market Street subway, hasSection, BART upper level]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BART upper level Context triple: [Market Street subway, hasSection, BART upper level]
-
A.
BART
BART (Bay Area Rapid Transit) is a major rapid transit system serving the San Francisco Bay Area, linking cities like San Francisco, Oakland, and Berkeley with surrounding suburbs and regional transit networks.
-
B.
BART at Montgomery Street station
chosen
BART at Montgomery Street station is a major underground Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail connections beneath Market Street.
-
C.
BART at Powell Street station
BART at Powell Street station is a major Bay Area Rapid Transit hub in downtown San Francisco that provides regional rail service and interchanges with Muni Metro on Market Street.
-
D.
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.
-
E.
BART Transbay Zone 1
BART Transbay Zone 1 is a core fare zone in the Bay Area Rapid Transit system that covers central transbay stations in the San Francisco financial district and nearby areas.
- 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_69ad85dc03948190b35b7189e4175bcc |
completed | March 8, 2026, 2:21 p.m. |
| NER | Named-entity recognition | batch_69adc2dc011c8190a6596f4b483fb078 |
completed | March 8, 2026, 6:41 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b4332488d88190ac70846388b7ff13 |
completed | March 13, 2026, 3:54 p.m. |
Created at: March 8, 2026, 3:23 p.m.