Triple

T15910212

Position	Surface form	Disambiguated ID	Type / Status
Subject	2023 East Palestine, Ohio train derailment	`E385828`	entity
Predicate	investigatedBy	`P6157`	FINISHED
Object	Ohio Environmental Protection Agency The Ohio Environmental Protection Agency is the state-level agency responsible for protecting Ohio’s air, land, and water resources through environmental regulation, monitoring, and enforcement.	`E1183762`	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: Ohio Environmental Protection Agency | Statement: [2023 East Palestine, Ohio train derailment, investigatedBy, Ohio Environmental Protection Agency]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Ohio Environmental Protection Agency
Context triple: [2023 East Palestine, Ohio train derailment, investigatedBy, Ohio Environmental Protection Agency]

A. Ohio Department of Natural Resources
The Ohio Department of Natural Resources is a state agency responsible for managing Ohio’s natural resources, including state parks, forests, wildlife, and water resources.
B. Indiana Department of Environmental Management
The Indiana Department of Environmental Management is the state agency responsible for protecting Indiana’s environment and public health by regulating air, water, and land pollution and overseeing environmental compliance and remediation.
C. Minnesota Pollution Control Agency
The Minnesota Pollution Control Agency is a state government agency responsible for protecting Minnesota’s environment by monitoring, regulating, and improving air, water, and land quality.
D. Michigan Department of Environmental Quality
The Michigan Department of Environmental Quality is a state agency responsible for regulating and protecting Michigan’s natural resources and public health through environmental oversight and enforcement.
E. Ohio Emergency Management Agency
The Ohio Emergency Management Agency is the state-level organization responsible for coordinating preparedness, response, recovery, and mitigation efforts for disasters and emergencies in Ohio.
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: Ohio Environmental Protection Agency
Triple: [2023 East Palestine, Ohio train derailment, investigatedBy, Ohio Environmental Protection Agency]

Generated description

The Ohio Environmental Protection Agency is the state-level agency responsible for protecting Ohio’s air, land, and water resources through environmental regulation, monitoring, and enforcement.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Ohio Environmental Protection Agency
Target entity description: The Ohio Environmental Protection Agency is the state-level agency responsible for protecting Ohio’s air, land, and water resources through environmental regulation, monitoring, and enforcement.

A. Ohio Department of Natural Resources
The Ohio Department of Natural Resources is a state agency responsible for managing Ohio’s natural resources, including state parks, forests, wildlife, and water resources.
B. Indiana Department of Environmental Management
The Indiana Department of Environmental Management is the state agency responsible for protecting Indiana’s environment and public health by regulating air, water, and land pollution and overseeing environmental compliance and remediation.
C. Minnesota Pollution Control Agency
The Minnesota Pollution Control Agency is a state government agency responsible for protecting Minnesota’s environment by monitoring, regulating, and improving air, water, and land quality.
D. Michigan Department of Environmental Quality
The Michigan Department of Environmental Quality is a state agency responsible for regulating and protecting Michigan’s natural resources and public health through environmental oversight and enforcement.
E. Ohio Emergency Management Agency
The Ohio Emergency Management Agency is the state-level organization responsible for coordinating preparedness, response, recovery, and mitigation efforts for disasters and emergencies in Ohio.
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_69d86da686e4819097cbf3b1fc2d881d`	completed	April 10, 2026, 3:25 a.m.
NER	Named-entity recognition	`batch_69e1565ea7a8819097efffda366b5245`	completed	April 16, 2026, 9:36 p.m.
NED1	Entity disambiguation (via context triple)	`batch_69ffb05750ac81908860143f4ca26cc7`	completed	May 9, 2026, 10:08 p.m.
NEDg	Description generation	`batch_69ffb110a5b88190904f763057e8eb1e`	completed	May 9, 2026, 10:11 p.m.
NED2	Entity disambiguation (via description)	`batch_69ffb1a5e9b88190b790c81b9500c2ac`	completed	May 9, 2026, 10:13 p.m.

Created at: April 10, 2026, 4:52 a.m.