Triple
T18977849
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Briones Reservoir |
E464342
|
entity |
| Predicate | category |
P87
|
FINISHED |
| Object | East Bay Municipal Utility District reservoirs |
—
|
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: East Bay Municipal Utility District reservoirs | Statement: [Briones Reservoir, category, East Bay Municipal Utility District reservoirs]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: East Bay Municipal Utility District reservoirs Context triple: [Briones Reservoir, category, East Bay Municipal Utility District reservoirs]
-
A.
San Francisco Peninsula reservoir system
The San Francisco Peninsula reservoir system is a network of man-made lakes and related infrastructure that stores and supplies drinking water to the San Francisco Bay Area, particularly the city of San Francisco and nearby communities.
-
B.
Stevens Creek Reservoir
Stevens Creek Reservoir is an artificial lake in Santa Clara County, California, used for water storage and recreation such as fishing, boating, and hiking.
-
C.
Briones Reservoir
chosen
Briones Reservoir is a man-made lake in Contra Costa County, California, used for water supply and recreational activities such as rowing.
-
D.
Calaveras Reservoir
Calaveras Reservoir is a major water storage reservoir in California’s Diablo Range that supplies drinking water to the San Francisco Bay Area.
-
E.
El Capitan Reservoir
El Capitan Reservoir is a large man-made lake in San Diego County, California, primarily used for municipal water supply and recreational activities such as fishing and boating.
- 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_69d8dd008af48190a97ff1c6488edf1b |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5d620bba48190a300dba9733592b0 |
completed | April 20, 2026, 7:30 a.m. |
Created at: April 10, 2026, noon