Triple
T10121050
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tilden Regional Park |
E223288
|
entity |
| Predicate | operator |
P179
|
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: [Tilden Regional Park, operator, 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: [Tilden Regional Park, operator, 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.
Emeryville Park
Emeryville Park was a historic minor league baseball stadium in Emeryville, California, best known as the longtime home of the Pacific Coast League’s Oakland Oaks.
-
D.
Skyline Regional Park
Skyline Regional Park is a desert mountain preserve in Buckeye, Arizona, known for its hiking, biking, and horseback-riding trails with scenic Sonoran Desert views.
-
E.
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.
- 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_69ca8422047c81909d66b717b8b18cf3 |
completed | March 30, 2026, 2:09 p.m. |
| NER | Named-entity recognition | batch_69cdd266b18c8190b35fe637c912e756 |
completed | April 2, 2026, 2:20 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69d2cc493db88190b3b09a77b82b3cc9 |
completed | April 5, 2026, 8:55 p.m. |
Created at: March 30, 2026, 9:04 p.m.