Triple
T23158711
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Yellow Line |
E578519
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Concord station |
E621514
|
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: Concord station | Statement: [BART Yellow Line, hasStation, Concord station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Concord station Context triple: [BART Yellow Line, hasStation, Concord station]
-
A.
Concord station
chosen
Concord station is a Bay Area Rapid Transit (BART) rail station serving the city of Concord in Contra Costa County, California.
-
B.
Hawthorne station
Hawthorne station is a commuter rail stop in Mount Pleasant, New York, serving passengers on the Metro-North Railroad’s Harlem Line.
-
C.
Lenox station
Lenox station is an Atlanta rapid transit station on MARTA’s Gold Line serving the Buckhead commercial and shopping district.
-
D.
Strafford station
Strafford station is a commuter rail stop on SEPTA's Paoli/Thorndale Line serving the Strafford area of Radnor Township, Pennsylvania.
-
E.
Belmont station
Belmont station is a major Chicago Transit Authority 'L' station on the North Side that serves as a key transfer point between multiple rapid transit lines.
- 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_69e245fc75348190a0288401044c8af8 |
completed | April 17, 2026, 2:38 p.m. |
| NER | Named-entity recognition | batch_69f18efeddd48190b6d03d2146583dcc |
completed | April 29, 2026, 4:54 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c3f40c3248190a0477bd66c5f5075 |
completed | May 19, 2026, 10:45 a.m. |
Created at: April 17, 2026, 4:02 p.m.