Triple
T23334432
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Brentwood Union School District |
E591536
|
entity |
| Predicate | regionServed |
P82
|
FINISHED |
| Object | East Contra Costa County |
—
|
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: East Contra Costa County | Statement: [Brentwood Union School District, regionServed, East Contra Costa County]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Contra Costa County Context triple: [Brentwood Union School District, regionServed, East Contra Costa County]
-
A.
East Contra Costa County
chosen
East Contra Costa County is a subregion of Contra Costa County in the eastern San Francisco Bay Area, known for its rapidly growing suburban communities and proximity to the Sacramento–San Joaquin River Delta.
-
B.
West Contra Costa County
West Contra Costa County is a subregion of Contra Costa County in the San Francisco Bay Area, encompassing several urban and suburban communities along the county’s western, bayside corridor.
-
C.
Contra Costa County
Contra Costa County is a populous county in the San Francisco Bay Area known for its suburban communities, regional parks, and role as a residential and industrial hub east of Oakland and San Francisco.
-
D.
Alameda County
Alameda County is a populous and diverse county in the San Francisco Bay Area that includes cities such as Oakland and Berkeley.
-
E.
San Mateo County, California
San Mateo County, California is a coastal county in the San Francisco Bay Area known for its affluent communities, tech industry presence, and proximity to both San Francisco and Silicon Valley.
- 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_69e25d20156c81908c5c53195bd9c738 |
completed | April 17, 2026, 4:17 p.m. |
| NER | Named-entity recognition | batch_69f197efd98c819083635a2b8440f3eb |
completed | April 29, 2026, 5:32 a.m. |
Created at: April 17, 2026, 5:16 p.m.