Triple
T18242860
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Contra Costa County Courthouse |
E436862
|
entity |
| Predicate | ownedBy |
P347
|
FINISHED |
| Object |
Contra Costa County government
Contra Costa County government is the local governing body responsible for administering public services, policies, and county operations in Contra Costa County, California.
|
E450309
|
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: Contra Costa County government | Statement: [Contra Costa County Courthouse, ownedBy, Contra Costa County government]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Contra Costa County government Context triple: [Contra Costa County Courthouse, ownedBy, Contra Costa County government]
-
A.
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.
-
B.
Contra Costa County Sheriff’s Office
The Contra Costa County Sheriff’s Office is the primary law enforcement agency responsible for policing unincorporated areas and providing countywide public safety services in Contra Costa County, California.
-
C.
Contra Costa County Board of Supervisors District 5
Contra Costa County Board of Supervisors District 5 is an electoral district in Contra Costa County, California, represented by a county supervisor who governs and provides services for communities in the county’s northern and northeastern areas.
-
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.
Contra Costa County Fire Protection District
Contra Costa County Fire Protection District is a regional fire and emergency services agency in Contra Costa County, California, providing fire protection, rescue, and medical response to multiple communities in the area.
- 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: Contra Costa County government Triple: [Contra Costa County Courthouse, ownedBy, Contra Costa County government]
Generated description
Contra Costa County government is the local governing body responsible for administering public services, policies, and county operations in Contra Costa County, California.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Contra Costa County government Target entity description: Contra Costa County government is the local governing body responsible for administering public services, policies, and county operations in Contra Costa County, California.
-
A.
Contra Costa County Board of Supervisors
chosen
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.
-
B.
Contra Costa County Sheriff’s Office
The Contra Costa County Sheriff’s Office is the primary law enforcement agency responsible for policing unincorporated areas and providing countywide public safety services in Contra Costa County, California.
-
C.
Contra Costa County Board of Supervisors District 5
Contra Costa County Board of Supervisors District 5 is an electoral district in Contra Costa County, California, represented by a county supervisor who governs and provides services for communities in the county’s northern and northeastern areas.
-
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.
Contra Costa County Fire Protection District
Contra Costa County Fire Protection District is a regional fire and emergency services agency in Contra Costa County, California, providing fire protection, rescue, and medical response to multiple communities in the area.
- F. None of above.
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_69d8b91104e08190a8241f7d260a5162 |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e4f7e4f0548190bc617e6acd17010d |
completed | April 19, 2026, 3:42 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a03ac7124f88190bfc0064e00946586 |
completed | May 12, 2026, 10:40 p.m. |
| NEDg | Description generation | batch_6a03ad3be75c819080f57a24747ec55f |
completed | May 12, 2026, 10:44 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a03aede6ea481908bb9acdb2ff17e9a |
completed | May 12, 2026, 10:51 p.m. |
Created at: April 10, 2026, 10:33 a.m.