Triple
T10359748
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Central Park (San Mateo) |
E244101
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object |
City of San Mateo Parks and Recreation Department
The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
|
E858637
|
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: City of San Mateo Parks and Recreation Department | Statement: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: City of San Mateo Parks and Recreation Department Context triple: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
-
A.
San Mateo County Parks Department
The San Mateo County Parks Department is the local government agency responsible for managing and maintaining San Mateo County’s system of regional parks, trails, and recreation areas.
-
B.
Santa Clara County Parks and Recreation Department
Santa Clara County Parks and Recreation Department is the county agency responsible for managing and maintaining Santa Clara County’s regional parks, open spaces, and recreational facilities.
-
C.
San Francisco Recreation and Parks Department
The San Francisco Recreation and Parks Department is the municipal agency responsible for operating and maintaining the city’s public parks, recreational facilities, and open spaces.
-
D.
City of San Mateo
The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
-
E.
City/County Association of Governments of San Mateo County
The City/County Association of Governments of San Mateo County is a regional governmental body that coordinates transportation, land use, and environmental planning among the cities and the county within San Mateo County, California.
- 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: City of San Mateo Parks and Recreation Department Triple: [Central Park (San Mateo), operator, City of San Mateo Parks and Recreation Department]
Generated description
The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: City of San Mateo Parks and Recreation Department Target entity description: The City of San Mateo Parks and Recreation Department is the municipal agency responsible for managing San Mateo’s public parks, recreational facilities, and community programs.
-
A.
San Mateo County Parks Department
The San Mateo County Parks Department is the local government agency responsible for managing and maintaining San Mateo County’s system of regional parks, trails, and recreation areas.
-
B.
Santa Clara County Parks and Recreation Department
Santa Clara County Parks and Recreation Department is the county agency responsible for managing and maintaining Santa Clara County’s regional parks, open spaces, and recreational facilities.
-
C.
San Francisco Recreation and Parks Department
The San Francisco Recreation and Parks Department is the municipal agency responsible for operating and maintaining the city’s public parks, recreational facilities, and open spaces.
-
D.
City of San Mateo
The City of San Mateo is a mid-sized suburban community on the San Francisco Peninsula in California, known for its residential neighborhoods, downtown commercial district, and role as a regional economic and transportation hub.
-
E.
City/County Association of Governments of San Mateo County
The City/County Association of Governments of San Mateo County is a regional governmental body that coordinates transportation, land use, and environmental planning among the cities and the county within San Mateo County, California.
- 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_69d381b22b8c8190aaed476be5f872a9 |
completed | April 6, 2026, 9:49 a.m. |
| NER | Named-entity recognition | batch_69d4e9609c4481908b7d72ecf1adaa73 |
completed | April 7, 2026, 11:24 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d750b6ef248190bdbe16bbb8efcf88 |
completed | April 9, 2026, 7:09 a.m. |
| NEDg | Description generation | batch_69d7618ecb748190a492406eabe590d7 |
completed | April 9, 2026, 8:21 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69d77057affc8190b420e66560c3dfbd |
completed | April 9, 2026, 9:24 a.m. |
Created at: April 6, 2026, 11:59 a.m.