Triple
T5754588
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | San Francisco Peninsula reservoir system |
E126933
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | San Francisco Public Utilities Commission |
E96956
|
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: San Francisco Public Utilities Commission | Statement: [San Francisco Peninsula reservoir system, operator, San Francisco Public Utilities Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Francisco Public Utilities Commission Context triple: [San Francisco Peninsula reservoir system, operator, San Francisco Public Utilities Commission]
-
A.
San Francisco Public Utilities Commission
chosen
The San Francisco Public Utilities Commission is the city agency responsible for providing and managing essential services such as water, power, and wastewater for San Francisco and surrounding communities.
-
B.
East Bay Municipal Utility District
East Bay Municipal Utility District is a public water and wastewater agency serving the San Francisco Bay Area’s East Bay communities.
-
C.
Northern California Power Agency
The Northern California Power Agency is a public power utility consortium that generates and manages electricity resources for its member communities in Northern California.
-
D.
California Public Utilities Commission
The California Public Utilities Commission is a state regulatory agency that oversees and sets policies for privately owned utilities in California, including electricity, natural gas, telecommunications, water, and transportation companies.
-
E.
San Francisco Department of Public Works
The San Francisco Department of Public Works is the city agency responsible for maintaining and improving San Francisco’s public infrastructure, including streets, sidewalks, public buildings, and related services.
- 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_69c00832aedc81909899801b141fa3b4 |
completed | March 22, 2026, 3:18 p.m. |
| NER | Named-entity recognition | batch_69c02904dcf481909e4340a64ee1034e |
completed | March 22, 2026, 5:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c097ffbf848190ba20a72c676d2c8e |
completed | March 23, 2026, 1:31 a.m. |
Created at: March 22, 2026, 3:49 p.m.