Triple
T23158712
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Yellow Line |
E578519
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | North Concord/Martinez station |
—
|
NE NERFINISHED |
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: North Concord/Martinez station | Statement: [BART Yellow Line, hasStation, North Concord/Martinez station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: North Concord/Martinez station Context triple: [BART Yellow Line, hasStation, North Concord/Martinez station]
-
A.
North Concord/Martinez station
chosen
North Concord/Martinez station is a Bay Area Rapid Transit (BART) station in Concord, California, serving the North Concord and Martinez areas along the Antioch–SFO/Millbrae line.
-
B.
Meadowbrook station
Meadowbrook station is a light rail stop on Utah's TRAX system serving the Salt Lake Valley with commuter transit connections.
-
C.
Meadow Woods station
Meadow Woods station is a commuter rail stop in the Orlando, Florida area served by the SunRail regional rail system.
-
D.
Las Adjuntas station
Las Adjuntas station is a major western terminus of the Caracas Metro system serving as an important transfer and access point for commuters in the city.
-
E.
West Concord station
West Concord station is a commuter rail stop in West Concord, Massachusetts, serving passengers on regional rail services into the Greater Boston area.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18efeddd48190b6d03d2146583dcc |
completed | April 29, 2026, 4:54 a.m. |
Created at: April 17, 2026, 4:02 p.m.