Valley of Mexico
E9349
The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
All labels observed (12)
How this entity was disambiguated
This entity first appeared as the object of triple T34432 — 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: Valley of Mexico Context triple: [Mexico City, locatedIn, Valley of Mexico]
-
A.
Choapa Valley
Choapa Valley is a prominent wine-producing valley in Chile known for its dry climate, coastal influence, and high-quality Syrah and Cabernet Sauvignon.
-
B.
Yucatán Peninsula
The Yucatán Peninsula is a large landmass in southeastern Mexico extending into the Caribbean, known for its Maya archaeological sites, cenotes, and tropical coastal ecosystems.
-
C.
Pinales
Pinales is the botanical order of coniferous trees and shrubs that includes pines, firs, spruces, and related needle-leaved, cone-bearing plants.
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D.
Sierra Madre Oriental
The Sierra Madre Oriental is a major mountain range in northeastern Mexico known for its rugged terrain, rich biodiversity, and significant influence on the region’s climate and watersheds.
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E.
Sierra Madre Occidental
The Sierra Madre Occidental is a major mountain range in western Mexico known for its rugged terrain, deep canyons, and significant biodiversity.
- 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: Valley of Mexico Target entity description: The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
-
A.
Choapa Valley
Choapa Valley is a prominent wine-producing valley in Chile known for its dry climate, coastal influence, and high-quality Syrah and Cabernet Sauvignon.
-
B.
Yucatán Peninsula
The Yucatán Peninsula is a large landmass in southeastern Mexico extending into the Caribbean, known for its Maya archaeological sites, cenotes, and tropical coastal ecosystems.
-
C.
Pinales
Pinales is the botanical order of coniferous trees and shrubs that includes pines, firs, spruces, and related needle-leaved, cone-bearing plants.
-
D.
Sierra Madre Oriental
The Sierra Madre Oriental is a major mountain range in northeastern Mexico known for its rugged terrain, rich biodiversity, and significant influence on the region’s climate and watersheds.
-
E.
Sierra Madre Occidental
The Sierra Madre Occidental is a major mountain range in western Mexico known for its rugged terrain, deep canyons, and significant biodiversity.
- F. None of above. chosen
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
geographical region
ⓘ
highland basin ⓘ valley ⓘ |
| archaeologicalSites |
Cuicuilco
ⓘ
Templo Mayor ⓘ Tenochtitlan remains ⓘ Teotihuacan civilization ⓘ
surface form:
Teotihuacan
Tlatelolco ⓘ |
| boundedBy |
Sierra Nevada (Mexico)
ⓘ
Sierra de Pachuca ⓘ Sierra de Tepotzotlán ⓘ Sierra de las Cruces ⓘ |
| climate | subtropical highland climate in much of the basin ⓘ |
| contains |
Iztaccíhuatl volcano vicinity
ⓘ
Mexico City ⓘ Greater Mexico City metropolitan area ⓘ
surface form:
Mexico City metropolitan area
Nevado de Toluca vicinity ⓘ Popocatépetl volcano vicinity ⓘ State of Mexico urban areas ⓘ former Lake Chalco ⓘ former Lake Texcoco basin ⓘ former Lake Xaltocan ⓘ former Lake Xochimilco ⓘ former Lake Zumpango ⓘ parts of Hidalgo state ⓘ |
| country | Mexico ⓘ |
| drainageModifiedBy | colonial and modern drainage works ⓘ |
| elevation |
approximately 2200 m above sea level
ⓘ
approximately 7300 ft above sea level ⓘ |
| hasFeature |
endorheic basin characteristics
ⓘ
volcanic surrounding mountains ⓘ |
| historicallyHosted |
Aztec Empire
ⓘ
surface form:
Aztec civilization
Tenochtitlan ⓘ
surface form:
Mexica city-states
Teotihuacan civilization ⓘ Texcoco polity ⓘ Tlacopan polity ⓘ Toltec civilization ⓘ |
| hydrology | artificial drainage to the Tula River basin ⓘ |
| knownFor |
land subsidence due to groundwater extraction
ⓘ
pre-Columbian chinampa agriculture ⓘ severe air pollution problems ⓘ |
| languageRegionPreColumbian |
Nahuan languages
ⓘ
surface form:
Nahuatl
|
| largestUrbanConcentrationIn | Mexico ⓘ |
| locatedIn |
Central Mexico
ⓘ
Trans-Mexican Volcanic Belt ⓘ |
| majorCity |
Tlalnepantla de Baz
ⓘ
surface form:
Ecatepec de Morelos
Mexico City ⓘ Naucalpan de Juárez ⓘ Nezahualcóyotl ⓘ |
| populationRank | one of the largest metropolitan areas in the world ⓘ |
| wasCenterOf |
Aztec Empire
ⓘ
Aztec Empire ⓘ
surface form:
Aztec Triple Alliance
|
| wasSceneOf | Spanish conquest of the Aztec Empire ⓘ |
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: Valley of Mexico Description of subject: The Valley of Mexico is a highland basin in central Mexico that historically hosted several major pre-Columbian civilizations and today contains the country’s largest urban concentration.
Referenced by (248)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Former Lake Zumpango
this entity surface form:
Mexico City Valley
this entity surface form:
Mexico City Valley
this entity surface form:
Valle de México
this entity surface form:
Valley of Mexico region
this entity surface form:
Valley of Mexico basin
this entity surface form:
Valley of Mexico region