Triple
T6896501
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Antioch–SFO+Millbrae line |
E159382
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Pittsburg, California |
E151859
|
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: Pittsburg, California | Statement: [BART Antioch–SFO+Millbrae line, servesCity, Pittsburg, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pittsburg, California Context triple: [BART Antioch–SFO+Millbrae line, servesCity, Pittsburg, California]
-
A.
Pittsburg, California
chosen
Pittsburg, California is an industrial and residential city in the San Francisco Bay Area known for its waterfront location on the Sacramento–San Joaquin River Delta and its long history tied to manufacturing and shipping.
-
B.
Plymouth, California
Plymouth, California is a small city in Amador County known as a gateway to the Sierra Foothills wine region and the surrounding Gold Country.
-
C.
Bridgeport, California
Bridgeport, California is a small unincorporated community in the Eastern Sierra region known for its historic courthouse, scenic high-altitude valley, and outdoor recreation opportunities.
-
D.
Newark, California
Newark, California is a suburban city in the San Francisco Bay Area’s East Bay region, known for its proximity to major tech hubs and its role as a residential and commercial community within Alameda County.
-
E.
Pomona, California
Pomona, California is a city in eastern Los Angeles County known for its diverse community, historic downtown, and role as a regional center for education and culture in the Pomona Valley.
- 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_69c6883822e0819091e321526f20ae0a |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6d95ae3f88190b7f5d440f90ae9f9 |
completed | March 27, 2026, 7:24 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c775348f6081909fb869dae0237ca9 |
completed | March 28, 2026, 6:29 a.m. |
Created at: March 27, 2026, 2:24 p.m.