Triple
T19938634
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Mayfield Lake |
E479242
|
entity |
| Predicate | operator |
P179
|
FINISHED |
| Object | Tacoma Public Utilities |
—
|
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: Tacoma Public Utilities | Statement: [Mayfield Lake, operator, Tacoma Public Utilities]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tacoma Public Utilities Context triple: [Mayfield Lake, operator, Tacoma Public Utilities]
-
A.
Tacoma Power
chosen
Tacoma Power is a publicly owned electric utility in Washington State that generates, transmits, and distributes electricity, largely through hydroelectric projects on regional rivers.
-
B.
Seattle Public Utilities
Seattle Public Utilities is the City of Seattle’s public utility agency responsible for providing water, drainage, wastewater, and solid waste services to residents and businesses.
-
C.
Tampa Electric Company
Tampa Electric Company is a Florida-based electric utility serving the Tampa Bay area and a subsidiary of TECO Energy.
-
D.
Portland General Electric
Portland General Electric is a publicly traded electric utility company based in Oregon that generates, transmits, and distributes electricity to customers in the Portland metropolitan area and surrounding regions.
-
E.
Puget Sound Navigation Company
Puget Sound Navigation Company was a private ferry operator that ran passenger and vehicle services on Puget Sound and nearby waters before its routes were taken over by Washington State Ferries.
- 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_69d8e522a17c819095165d4d24939fd8 |
completed | April 10, 2026, 11:55 a.m. |
| NER | Named-entity recognition | batch_69e65a190ac08190b9dc7955c9764a71 |
completed | April 20, 2026, 4:53 p.m. |
Created at: April 10, 2026, 1:53 p.m.