Triple
T23436783
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Pepco Benning Road power plant site |
E563484
|
entity |
| Predicate | formerOwner |
P347
|
FINISHED |
| Object |
Potomac Electric Power Company
Potomac Electric Power Company (Pepco) is a regulated electric utility serving customers in Washington, D.C., and surrounding areas in Maryland.
|
E1585021
|
NE FINISHED |
How this triple was built (4 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: Potomac Electric Power Company | Statement: [Pepco Benning Road power plant site, formerOwner, Potomac Electric Power Company]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Potomac Electric Power Company Context triple: [Pepco Benning Road power plant site, formerOwner, Potomac Electric Power Company]
-
A.
Virginia Electric and Power Company
Virginia Electric and Power Company is a major regulated electric utility serving Virginia and parts of North Carolina, known for generating and distributing power through a network of plants, dams, and transmission infrastructure.
-
B.
Pennsylvania Power & Light
Pennsylvania Power & Light is a regional electric utility company based in Pennsylvania, known for generating and distributing power and for developing large infrastructure projects in the state.
-
C.
Constellation Energy
Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
-
D.
Delmarva Power
Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
-
E.
Southeastern Power Administration
The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Potomac Electric Power Company Triple: [Pepco Benning Road power plant site, formerOwner, Potomac Electric Power Company]
Generated description
Potomac Electric Power Company (Pepco) is a regulated electric utility serving customers in Washington, D.C., and surrounding areas in Maryland.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Potomac Electric Power Company Target entity description: Potomac Electric Power Company (Pepco) is a regulated electric utility serving customers in Washington, D.C., and surrounding areas in Maryland.
-
A.
Virginia Electric and Power Company
Virginia Electric and Power Company is a major regulated electric utility serving Virginia and parts of North Carolina, known for generating and distributing power through a network of plants, dams, and transmission infrastructure.
-
B.
Pennsylvania Power & Light
Pennsylvania Power & Light is a regional electric utility company based in Pennsylvania, known for generating and distributing power and for developing large infrastructure projects in the state.
-
C.
Constellation Energy
Constellation Energy is a U.S.-based energy company that generates and supplies electricity, with a significant focus on nuclear power and other low-carbon energy sources.
-
D.
Delmarva Power
Delmarva Power is a regulated electric and natural gas utility serving customers in parts of Delaware and Maryland in the United States.
-
E.
Southeastern Power Administration
The Southeastern Power Administration is a U.S. federal agency that markets and delivers hydroelectric power generated at federally owned dams to public bodies and rural electric cooperatives in the southeastern United States.
- F. None of above. chosen
Provenance (5 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_69e24553980c8190bb66a2ae0bdab125 |
completed | April 17, 2026, 2:36 p.m. |
| NER | Named-entity recognition | batch_69f1a5dcd4608190a543cc747e0daab8 |
completed | April 29, 2026, 6:31 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0c67b161548190a9017a58147e6201 |
completed | May 19, 2026, 1:37 p.m. |
| NEDg | Description generation | batch_6a0c72171580819097c9f287d501ae7e |
completed | May 19, 2026, 2:22 p.m. |
| NED2 | Entity disambiguation (via description) | batch_6a0c76f0f4bc81909912d2196e969cf1 |
completed | May 19, 2026, 2:42 p.m. |
Created at: April 17, 2026, 5:50 p.m.