Triple

T16977241

Position	Surface form	Disambiguated ID	Type / Status
Subject	CSS Virginia	`E411844`	entity
Predicate	theater	`P1060`	FINISHED
Object	Atlantic theater of the American Civil War The Atlantic theater of the American Civil War was the maritime and coastal zone of conflict along the Atlantic seaboard where Union and Confederate naval forces contested blockades, ports, and sea lanes.	`E391302`	NE FINISHED

Named-entity recognition

Before disambiguation, gpt-5-mini classified whether the object phrase is a named entity — the step behind the object's NE type shown above.

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: Atlantic theater of the American Civil War | Statement: [CSS Virginia, theater, Atlantic theater of the American Civil War]

Disambiguation candidates (2 decisions)

The exact options the model was shown at each disambiguation step, with the option it chose highlighted — the evidence behind this triple's disambiguated ids.

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

Target entity: Atlantic theater of the American Civil War
Context triple: [CSS Virginia, theater, Atlantic theater of the American Civil War]

A. Eastern Theater of the American Civil War
The Eastern Theater of the American Civil War was the primary region of conflict in the eastern United States, encompassing major campaigns and battles between Union and Confederate forces in and around Virginia, Maryland, and Pennsylvania.
B. Western Theater of the American Civil War
The Western Theater of the American Civil War was the major military region west of the Appalachian Mountains where Union and Confederate forces fought pivotal campaigns for control of the Mississippi River and the heartland states.
C. South Atlantic Blockading theater
The South Atlantic Blockading theater was the Civil War naval operations area along the southeastern coast of the United States where Union forces sought to blockade Confederate ports and control key coastal waters.
D. Campaigns of the American Civil War
Campaigns of the American Civil War were major, organized military operations and series of battles conducted by Union and Confederate forces across various theaters between 1861 and 1865.
E. Atlantic coastal theater
The Atlantic coastal theater was the region along the eastern seaboard of the United States and British North America where major naval operations, coastal raids, and amphibious assaults occurred during the War of 1812.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

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

Target entity: Atlantic theater of the American Civil War
Target entity description: The Atlantic theater of the American Civil War was the maritime and coastal zone of conflict along the Atlantic seaboard where Union and Confederate naval forces contested blockades, ports, and sea lanes.

A. Eastern Theater of the American Civil War
The Eastern Theater of the American Civil War was the primary region of conflict in the eastern United States, encompassing major campaigns and battles between Union and Confederate forces in and around Virginia, Maryland, and Pennsylvania.
B. Western Theater of the American Civil War
The Western Theater of the American Civil War was the major military region west of the Appalachian Mountains where Union and Confederate forces fought pivotal campaigns for control of the Mississippi River and the heartland states.
C. South Atlantic Blockading theater chosen
The South Atlantic Blockading theater was the Civil War naval operations area along the southeastern coast of the United States where Union forces sought to blockade Confederate ports and control key coastal waters.
D. Campaigns of the American Civil War
Campaigns of the American Civil War were major, organized military operations and series of battles conducted by Union and Confederate forces across various theaters between 1861 and 1865.
E. Atlantic coastal theater
The Atlantic coastal theater was the region along the eastern seaboard of the United States and British North America where major naval operations, coastal raids, and amphibious assaults occurred during the War of 1812.
F. None of above.

How the object was described

The object's one-sentence description was generated by prompting gpt-5.1 with the object name and this triple as context.

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: Atlantic theater of the American Civil War
Triple: [CSS Virginia, theater, Atlantic theater of the American Civil War]

Generated description

The Atlantic theater of the American Civil War was the maritime and coastal zone of conflict along the Atlantic seaboard where Union and Confederate naval forces contested blockades, ports, and sea lanes.

Provenance (5 batches)

Stage	Batch ID	Job type	Status
creating	`batch_69d886ca8f348190812768ea8d5055ce`	elicitation	completed
NER	`batch_69e3d184f2cc81908ac629c8f87696f8`	ner	completed
NED1	`batch_6a00d4755ffc8190a5c861462e33d526`	ned_source_triple	completed
NED2	`batch_6a00d6ecbf60819095e3f8418a84d485`	ned_description	completed
NEDg	`batch_6a00d687aed88190915e20e8fa517a2b`	nedg	completed

Created at: April 10, 2026, 5:32 a.m.