Triple
T13536240
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Byron, California |
E323267
|
entity |
| Predicate | airportOperator |
P34771
|
FINISHED |
| Object | Contra Costa County |
E17060
|
NE FINISHED |
Named-entity recognition
Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.
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 | Statement: [Byron, California, airportOperator, Contra Costa County]
Disambiguation candidates (1 decision)
The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contra Costa County Context triple: [Byron, California, airportOperator, Contra Costa County]
-
A.
Contra Costa County
chosen
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.
-
B.
Alameda County
Alameda County is a populous and diverse county in the San Francisco Bay Area that includes cities such as Oakland and Berkeley.
-
C.
Solano County
Solano County is a county in the San Francisco Bay Area–Sacramento Valley region known for its mix of suburban communities, agriculture, and key transportation corridors.
-
D.
Sacramento County
Sacramento County is a county in Northern California that includes the state capital, Sacramento, and serves as a major political and economic hub of the region.
-
E.
Santa Clara County
Santa Clara County is a populous and economically significant county in California’s Silicon Valley, home to major technology companies and cities such as San Jose.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 batches)
| Stage | Batch ID | Job type | Status |
|---|---|---|---|
| creating | batch_69d8076776248190bdf0d4fa1f85a5fc |
elicitation | completed |
| NER | batch_69dbafbe39948190808062d4eff91841 |
ner | completed |
| NED1 | batch_69f76b9112948190a0dd747a67f8206a |
ned_source_triple | completed |
Created at: April 9, 2026, 9:44 p.m.