Triple
T507190
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Mateo County, California |
E10525
|
entity |
| Predicate | hasBoard |
P35
|
FINISHED |
| Object |
San Mateo County Board of Supervisors
The San Mateo County Board of Supervisors is the elected governing body responsible for setting policy, passing ordinances, and overseeing the administration and budget of San Mateo County, California.
|
E63209
|
NE FINISHED |
How this triple was built (4 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: San Mateo County Board of Supervisors | Statement: [San Mateo County, California, hasBoard, San Mateo County Board of Supervisors]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Mateo County Board of Supervisors Context triple: [San Mateo County, California, hasBoard, San Mateo County Board of Supervisors]
-
A.
San Francisco Board of Supervisors
The San Francisco Board of Supervisors is the city and county’s elected legislative body, responsible for passing local laws, approving budgets, and overseeing municipal agencies.
-
B.
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.
-
C.
Sacramento City Council
The Sacramento City Council is the elected governing body responsible for setting policy, passing local laws, and overseeing the municipal government of Sacramento, California.
-
D.
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.
-
E.
Marin County
Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: San Mateo County Board of Supervisors Triple: [San Mateo County, California, hasBoard, San Mateo County Board of Supervisors]
Generated description
The San Mateo County Board of Supervisors is the elected governing body responsible for setting policy, passing ordinances, and overseeing the administration and budget of San Mateo County, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Mateo County Board of Supervisors Target entity description: The San Mateo County Board of Supervisors is the elected governing body responsible for setting policy, passing ordinances, and overseeing the administration and budget of San Mateo County, California.
-
A.
San Francisco Board of Supervisors
The San Francisco Board of Supervisors is the city and county’s elected legislative body, responsible for passing local laws, approving budgets, and overseeing municipal agencies.
-
B.
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.
-
C.
Sacramento City Council
The Sacramento City Council is the elected governing body responsible for setting policy, passing local laws, and overseeing the municipal government of Sacramento, California.
-
D.
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.
-
E.
Marin County
Marin County is a coastal county in the San Francisco Bay Area known for its affluent communities, scenic landscapes, and landmarks like the Marin Headlands and Mount Tamalpais.
- F. None of above. chosen
Provenance (5 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_69a2e848adf881908e5e04f7af030093 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f14dcd688190ad47a3b31b95b6d4 |
completed | Feb. 28, 2026, 1:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4984eed2481909d16332d6034bedf |
completed | March 1, 2026, 7:49 p.m. |
| NEDg | Description generation | batch_69a4991506808190a96386726cd0212e |
completed | March 1, 2026, 7:52 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69a499dbfdf08190bedce53795790963 |
completed | March 1, 2026, 7:56 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.