Eastern Agricultural Complex
E815767
The Eastern Agricultural Complex was a prehistoric North American system of plant domestication and cultivation, centered in the Eastern Woodlands and involving native seed crops such as goosefoot, sumpweed, and maygrass before the widespread adoption of maize agriculture.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Eastern Agricultural Complex canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9693652 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Eastern Agricultural Complex Context triple: [Woodland period, associatedWith, Eastern Agricultural Complex]
-
A.
Adena culture
The Adena culture was an early Native American mound-building society of the Early Woodland period in the Ohio Valley, known for its conical burial mounds, elaborate mortuary practices, and distinctive pottery and stone tools.
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B.
Glades culture
Glades culture was a pre-Columbian Native American archaeological culture of southern Florida, known for its distinctive pottery and adaptation to the Everglades environment.
-
C.
Fertile Crescent
The Fertile Crescent is a historically rich, agriculturally productive region in the Middle East often regarded as one of the cradles of civilization, where early farming and some of the first complex societies emerged.
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D.
Plateau culture area
The Plateau culture area is a North American cultural region encompassing the intermountain plateau lands between the Rocky Mountains and the Cascades, traditionally inhabited by various Indigenous peoples including the Southern Paiute.
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E.
Irrigation Civilizations
"Irrigation Civilizations" is a seminal anthropological work by Julian Steward that analyzes how large-scale irrigation systems shaped the development and organization of early complex societies.
- 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: Eastern Agricultural Complex Target entity description: The Eastern Agricultural Complex was a prehistoric North American system of plant domestication and cultivation, centered in the Eastern Woodlands and involving native seed crops such as goosefoot, sumpweed, and maygrass before the widespread adoption of maize agriculture.
-
A.
Adena culture
The Adena culture was an early Native American mound-building society of the Early Woodland period in the Ohio Valley, known for its conical burial mounds, elaborate mortuary practices, and distinctive pottery and stone tools.
-
B.
Glades culture
Glades culture was a pre-Columbian Native American archaeological culture of southern Florida, known for its distinctive pottery and adaptation to the Everglades environment.
-
C.
Fertile Crescent
The Fertile Crescent is a historically rich, agriculturally productive region in the Middle East often regarded as one of the cradles of civilization, where early farming and some of the first complex societies emerged.
-
D.
Plateau culture area
The Plateau culture area is a North American cultural region encompassing the intermountain plateau lands between the Rocky Mountains and the Cascades, traditionally inhabited by various Indigenous peoples including the Southern Paiute.
-
E.
Irrigation Civilizations
"Irrigation Civilizations" is a seminal anthropological work by Julian Steward that analyzes how large-scale irrigation systems shaped the development and organization of early complex societies.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
archaeological culture complex
ⓘ
plant domestication complex ⓘ prehistoric agricultural system ⓘ |
| alsoKnownAs | EAC ⓘ |
| associatedWithCulture |
Archaic cultures of Eastern North America
ⓘ
Early Woodland cultures of Eastern North America ⓘ |
| associatedWithRegion |
Mississippi Valley
ⓘ
linked to:
Mississippi River
Ohio River Valley ⓘ
linked to:
Ohio Valley region
Ozark Highlands ⓘ
linked to:
Ozark Plateau
Tennessee River Valley ⓘ
linked to:
Tennessee Valley
|
| developedBefore | widespread maize agriculture in Eastern North America ⓘ |
| followedBy | maize-beans-squash agricultural complex in Eastern Woodlands ⓘ |
| hasCrop |
Chenopodium berlandieri
ⓘ
Helianthus annuus ⓘ
linked to:
Helianthus
Hordeum pusillum ⓘ
linked to:
Hordeum
Iva annua ⓘ Phalaris caroliniana ⓘ Polygonum erectum ⓘ
linked to:
Polygonum
goosefoot ⓘ knotweed ⓘ little barley ⓘ maygrass ⓘ possibly bottle gourd ⓘ sumpweed ⓘ sunflower ⓘ |
| hasCropType |
annual seed-bearing plants
ⓘ
oily seed crops ⓘ starchy seed crops ⓘ |
| hasEvidenceType |
archaeobotanical remains
ⓘ
carbonized seeds ⓘ processing tools ⓘ storage pits ⓘ |
| hasSignificance |
demonstrates independent domestication of plants in Eastern North America
ⓘ
represents transition from foraging to food production in Eastern Woodlands ⓘ |
| hasTemporalExtent |
Archaic period
ⓘ
Early Woodland period ⓘ Late Archaic period ⓘ |
| involvesProcess |
cultivation of native seed crops
ⓘ
horticulture ⓘ incipient agriculture ⓘ plant domestication ⓘ |
| locatedIn |
Eastern North America
ⓘ
Eastern Woodlands of North America ⓘ
linked to:
Eastern Woodlands
interior Eastern Woodlands ⓘ |
| partOf |
independent centers of plant domestication
ⓘ
pre-maize agricultural traditions in North America ⓘ |
| precededBy | foraging-based subsistence in Eastern Woodlands ⓘ |
| studiedInDiscipline |
anthropology
ⓘ
archaeology ⓘ paleoethnobotany ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Eastern Agricultural Complex Description of subject: The Eastern Agricultural Complex was a prehistoric North American system of plant domestication and cultivation, centered in the Eastern Woodlands and involving native seed crops such as goosefoot, sumpweed, and maygrass before the widespread adoption of maize agriculture.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.