Triple
T18343083
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Lafayette BART station |
E439458
|
entity |
| Predicate | connectsTo |
P845
|
FINISHED |
| Object | Pittsburg/Bay Point area |
—
|
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: Pittsburg/Bay Point area | Statement: [Lafayette BART station, connectsTo, Pittsburg/Bay Point area]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburg/Bay Point area Context triple: [Lafayette BART station, connectsTo, Pittsburg/Bay Point area]
-
A.
Pittsburg/Bay Point
chosen
Pittsburg/Bay Point is a Bay Area Rapid Transit (BART) station in Contra Costa County, California, serving as a major terminal for trains traveling through the eastern San Francisco Bay Area.
-
B.
Pittsburgh region
The Pittsburgh region is a historically significant industrial area in western Pennsylvania, long known as a major center of steel production and manufacturing.
-
C.
South Shore of Pittsburgh
The South Shore of Pittsburgh is a riverfront neighborhood and commercial district along the Monongahela River, opposite downtown, known for its industrial heritage and transit connections.
-
D.
Pittsburg micropolitan area
The Pittsburg micropolitan area is a small urban region in southeastern Kansas centered around the city of Pittsburg and its surrounding communities.
-
E.
Three Rivers area
The Three Rivers area is a region in northeastern Oklahoma centered around the confluence of major rivers and known for its rich Native American history and cultural heritage.
- 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_69d8b9175fec8190af865699b4e64d8c |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e514f188e081909cdbce61a21b9591 |
completed | April 19, 2026, 5:46 p.m. |
Created at: April 10, 2026, 10:37 a.m.