Triple
T6896503
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BART Antioch–SFO+Millbrae line |
E159382
|
entity |
| Predicate | servesCity |
P82
|
FINISHED |
| Object | Concord, California |
E64207
|
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, California | Statement: [BART Antioch–SFO+Millbrae line, servesCity, Concord, California]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Concord, California Context triple: [BART Antioch–SFO+Millbrae line, servesCity, Concord, California]
-
A.
Concord, California, United States
chosen
Concord, California, United States, is a major suburban city in the San Francisco Bay Area known for its residential communities, regional shopping centers, and role as the birthplace of actor Tom Hanks.
-
B.
Clovis, California
Clovis, California is a suburban city in Fresno County known for its historic Old Town district, proximity to Fresno and the Sierra Nevada, and its role as a gateway to outdoor recreation in Central California.
-
C.
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.
-
D.
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.
-
E.
Richmond, California
Richmond, California is an industrial and residential city in the East Bay region of the San Francisco Bay Area known for its port, oil refinery, and diverse communities.
- 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_69c748dfd9608190891c8df48b771e20 |
completed | March 28, 2026, 3:20 a.m. |
Created at: March 27, 2026, 2:24 p.m.