Triple
T19766296
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Discovery Bay Community Services District |
E474764
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object | Contra Costa County special districts system |
—
|
NE NERFINISHED |
How this triple was built (3 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: Contra Costa County special districts system | Statement: [Discovery Bay Community Services District, isPartOf, Contra Costa County special districts system]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contra Costa County special districts system Context triple: [Discovery Bay Community Services District, isPartOf, Contra Costa County special districts system]
-
A.
Bay Area special districts
Bay Area special districts are specialized local government agencies in the San Francisco Bay Area that provide specific public services such as water, transit, and sanitation across city and county boundaries.
-
B.
Contra Costa County government
Contra Costa County government is the local administrative authority responsible for delivering public services, implementing policies, and managing county operations within Contra Costa County, California.
-
C.
Contra Costa County Board of Supervisors
The Contra Costa County Board of Supervisors is the elected governing body responsible for setting policy, passing ordinances, and overseeing county services and administration in Contra Costa County, California.
-
D.
Contra Costa County Board of Supervisors District 1
Contra Costa County Board of Supervisors District 1 is an electoral district in Contra Costa County, California, whose elected supervisor represents communities in the county’s western and northern urban areas, including parts of Richmond and surrounding neighborhoods.
-
E.
Alameda County supervisorial districts
Alameda County supervisorial districts are the five geographic electoral areas that each elect a member to the Alameda County Board of Supervisors in California.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Contra Costa County special districts system Target entity description: The Contra Costa County special districts system is a network of independent local government agencies that provide specific public services—such as water, sewer, parks, and fire protection—to communities within Contra Costa County, California.
-
A.
Bay Area special districts
Bay Area special districts are specialized local government agencies in the San Francisco Bay Area that provide specific public services such as water, transit, and sanitation across city and county boundaries.
-
B.
Contra Costa County government
Contra Costa County government is the local administrative authority responsible for delivering public services, implementing policies, and managing county operations within Contra Costa County, California.
-
C.
Contra Costa County Board of Supervisors
The Contra Costa County Board of Supervisors is the elected governing body responsible for setting policy, passing ordinances, and overseeing county services and administration in Contra Costa County, California.
-
D.
Contra Costa County Board of Supervisors District 1
Contra Costa County Board of Supervisors District 1 is an electoral district in Contra Costa County, California, whose elected supervisor represents communities in the county’s western and northern urban areas, including parts of Richmond and surrounding neighborhoods.
-
E.
Alameda County supervisorial districts
Alameda County supervisorial districts are the five geographic electoral areas that each elect a member to the Alameda County Board of Supervisors in California.
- F. None of above. chosen
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_69d8e51a43a08190956bc6df13c91a77 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e653232e508190a7d484c0a1e2939a |
completed | April 20, 2026, 4:24 p.m. |
Created at: April 10, 2026, 1:48 p.m.