Triple
T1941960
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Metro L Line (Los Angeles) |
E41573
|
entity |
| Predicate | safetyAuthority |
P125
|
FINISHED |
| Object | California Public Utilities Commission |
E162274
|
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: California Public Utilities Commission | Statement: [Metro L Line (Los Angeles), safetyAuthority, California Public Utilities Commission]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: California Public Utilities Commission Context triple: [Metro L Line (Los Angeles), safetyAuthority, California Public Utilities Commission]
-
A.
California Public Utilities Commission
chosen
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.
-
B.
California Energy Commission
The California Energy Commission is the state’s primary energy policy and planning agency, responsible for forecasting energy needs, promoting efficiency and renewable energy, and supporting the transition to a clean, reliable energy system.
-
C.
San Francisco Public Utilities Commission
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.
-
D.
California Pollution Control Financing Authority
The California Pollution Control Financing Authority is a state agency that provides tax-exempt financing and other support to help businesses and public entities develop projects that reduce pollution and improve environmental quality in California.
-
E.
Los Angeles Department of Water and Power
The Los Angeles Department of Water and Power is the largest municipal utility in the United States, providing water and electricity to the City of Los Angeles and overseeing key regional water resources.
- 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_69a88649b24c819080047f26b6db2ded |
completed | March 4, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69abb2fc98e881909a539c0ebf842d8b |
completed | March 7, 2026, 5:09 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69adf3fa84e48190bac4d96aa3c3ec39 |
completed | March 8, 2026, 10:11 p.m. |
Created at: March 4, 2026, 7:36 p.m.