Triple
T17993883
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | East Bay Regional Park District |
E430449
|
entity |
| Predicate | operates |
P24
|
FINISHED |
| Object | Lake Chabot Regional Park |
—
|
NE NERFINISHED |
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: Lake Chabot Regional Park | Statement: [East Bay Regional Park District, operates, Lake Chabot Regional Park]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Lake Chabot Regional Park Context triple: [East Bay Regional Park District, operates, Lake Chabot Regional Park]
-
A.
Lake Chabot Regional Park
chosen
Lake Chabot Regional Park is a popular East Bay recreational area centered around a large reservoir, offering hiking, fishing, boating, and picnicking opportunities amid wooded hills and scenic views.
-
B.
Anthony Chabot Regional Park
Anthony Chabot Regional Park is a large East Bay regional park in the Oakland hills known for its extensive hiking, camping, and reservoir-side recreation.
-
C.
Blue Lake Regional Park
Blue Lake Regional Park is a popular recreational area in the Portland metropolitan region known for its namesake lake, picnic areas, trails, and family-friendly outdoor activities.
-
D.
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.
-
E.
Andrew Molera State Park
Andrew Molera State Park is a coastal California state park in Big Sur known for its undeveloped beaches, scenic hiking trails, and rugged natural landscapes along the Pacific Ocean.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69d8b90364248190a37381adea932f42 |
completed | April 10, 2026, 8:46 a.m. |
| NER | Named-entity recognition | batch_69e4b3e29490819090ff221e7d7a9ddd |
completed | April 19, 2026, 10:52 a.m. |
Created at: April 10, 2026, 10:23 a.m.