Triple
T21616589
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Kemper Project power plant |
E533457
|
entity |
| Predicate | regulatoryOutcome |
P9662
|
FINISHED |
| Object | Mississippi Public Service Commission ordered end of coal gasification portion in 2017 |
—
|
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: Mississippi Public Service Commission ordered end of coal gasification portion in 2017 | Statement: [Kemper Project power plant, regulatoryOutcome, Mississippi Public Service Commission ordered end of coal gasification portion in 2017]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Mississippi Public Service Commission ordered end of coal gasification portion in 2017 Context triple: [Kemper Project power plant, regulatoryOutcome, Mississippi Public Service Commission ordered end of coal gasification portion in 2017]
-
A.
Mississippi Public Service Commission
chosen
The Mississippi Public Service Commission is a state regulatory agency that oversees and sets policies for public utilities and services in Mississippi, including electricity providers.
-
B.
Mississippi electric grid
The Mississippi electric grid is the network of power generation, transmission, and distribution infrastructure that delivers electricity across the state of Mississippi within the broader Southeastern U.S. grid.
-
C.
Missouri City power plant
Missouri City power plant is a generating facility that supplies electric power for the municipal utility Independence Power & Light in Missouri.
-
D.
U.S. coal power fleet
The U.S. coal power fleet is the nationwide collection of coal-fired power plants that has long supplied a significant share of American electricity but is increasingly being retired or replaced due to economic, environmental, and policy pressures.
-
E.
Kemper Project power plant
The Kemper Project power plant is a controversial, partially abandoned integrated gasification combined cycle (IGCC) power facility in Mississippi that became known for massive cost overruns and the failure of its “clean coal” technology ambitions.
- 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_69e0c46411108190bba0d4176dffc9f3 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69ef3bab865081908bc7d7b1824415ac |
completed | April 27, 2026, 10:34 a.m. |
Created at: April 16, 2026, 6:33 p.m.