Triple
T4874297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Contra Loma Regional Park |
E109162
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | East Bay Regional Park District |
E430449
|
NE FINISHED |
How this triple was built (2 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: East Bay Regional Park District | Statement: [Contra Loma Regional Park, category, East Bay Regional Park District]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Bay Regional Park District Context triple: [Contra Loma Regional Park, category, East Bay Regional Park District]
-
A.
East Bay Regional Park District
chosen
East Bay Regional Park District is a special regional agency that manages and preserves a large network of public parks, trails, and open spaces in the San Francisco Bay Area’s East Bay region.
-
B.
Redwood Regional Park
Redwood Regional Park is a large East Bay regional park in the Oakland hills known for its extensive redwood forests, hiking and biking trails, and scenic natural landscapes.
-
C.
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.
-
D.
San Francisco park system
The San Francisco park system is the network of public parks, open spaces, and recreational areas managed by the city of San Francisco, known for its diverse landscapes, iconic views, and extensive urban green spaces.
-
E.
Briones Regional Park
Briones Regional Park is a large East Bay regional park in the hills of central Contra Costa County, California, known for its open grasslands, oak woodlands, and extensive hiking and equestrian trails.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69bd440d96a48190b0c87069adef2af1 |
completed | March 20, 2026, 12:56 p.m. |
| NER | Named-entity recognition | batch_69bd6da1b45881909d45cb1214f5bdde |
completed | March 20, 2026, 3:54 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69be81b60ea48190ae8cd7ef9c30a388 |
completed | March 21, 2026, 11:32 a.m. |
Created at: March 20, 2026, 1:27 p.m.