Triple
T17136266
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Michigan City Generating Station |
E415843
|
entity |
| Predicate | gridInterconnection |
P24733
|
FINISHED |
| Object | Midcontinent Independent System Operator |
E670635
|
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: Midcontinent Independent System Operator | Statement: [Michigan City Generating Station, gridInterconnection, Midcontinent Independent System Operator]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Midcontinent Independent System Operator Context triple: [Michigan City Generating Station, gridInterconnection, Midcontinent Independent System Operator]
-
A.
Midcontinent Independent System Operator region
chosen
The Midcontinent Independent System Operator region is a large North American electric transmission and wholesale power market area coordinated by MISO, spanning multiple U.S. states and parts of Canada to ensure reliable, efficient grid operations.
-
B.
PJM Interconnection
PJM Interconnection is a regional transmission organization (RTO) that coordinates the movement of wholesale electricity across parts of the eastern United States, operating one of the world’s largest competitive power markets.
-
C.
Midwest Reliability Organization
Midwest Reliability Organization is a regional regulatory authority responsible for overseeing and enforcing electric grid reliability standards across portions of the Midwestern United States and central Canada.
-
D.
New York Independent System Operator
The New York Independent System Operator (NYISO) is the nonprofit organization responsible for managing New York State’s electric grid and administering its wholesale electricity markets.
-
E.
Northeast Power Coordinating Council
The Northeast Power Coordinating Council is a regional reliability organization that oversees and promotes the reliable and secure operation of the bulk power system in the northeastern part of North America.
- 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_69d886d15af4819092f92f8a129763e6 |
completed | April 10, 2026, 5:12 a.m. |
| NER | Named-entity recognition | batch_69e3f2cf1c588190986167adcf4851b5 |
completed | April 18, 2026, 9:08 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a014150d63081908a5614f85694e57a |
completed | May 11, 2026, 2:39 a.m. |
Created at: April 10, 2026, 5:36 a.m.