Pedregal de San Ángel lava field
E289352
The Pedregal de San Ángel lava field is an extensive volcanic landscape in southern Mexico City, known for its rugged basalt formations and unique biodiversity within an urban environment.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Pedregal de San Ángel lava field canonical | 2 |
| Pedregal de San Ángel ecological reserve (southern portion) | 1 |
| Pedregal de San Ángel lava fields | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2710692 — 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: Pedregal de San Ángel lava field Context triple: [Cuicuilco, locatedNear, Pedregal de San Ángel lava field]
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A.
Valle de las Palmas
Valle de las Palmas is a locality in the Mexican state of Baja California known for hosting a campus of the Universidad Autónoma de Baja California and serving as a growing educational and residential area near Tijuana.
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B.
Tlajomulco de Zúñiga
Tlajomulco de Zúñiga is a rapidly growing municipality in the Guadalajara metropolitan area of Jalisco, Mexico, known for its suburban expansion and strategic economic importance.
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C.
Valle de San Vicente
Valle de San Vicente is a rural valley region in Baja California, Mexico, known for its agriculture and emerging wine production, located inland from the coastal city of Ensenada.
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D.
Valle de Guadalupe
Valle de Guadalupe is Mexico’s premier wine-producing region, renowned for its vineyards, boutique wineries, and gourmet food scene in the state of Baja California.
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E.
Miramar Mesa
Miramar Mesa is a neighborhood in San Diego, California, known for its proximity to Marine Corps Air Station Miramar and its mix of residential, commercial, and light industrial areas.
- 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: Pedregal de San Ángel lava field Target entity description: The Pedregal de San Ángel lava field is an extensive volcanic landscape in southern Mexico City, known for its rugged basalt formations and unique biodiversity within an urban environment.
-
A.
Valle de las Palmas
Valle de las Palmas is a locality in the Mexican state of Baja California known for hosting a campus of the Universidad Autónoma de Baja California and serving as a growing educational and residential area near Tijuana.
-
B.
Tlajomulco de Zúñiga
Tlajomulco de Zúñiga is a rapidly growing municipality in the Guadalajara metropolitan area of Jalisco, Mexico, known for its suburban expansion and strategic economic importance.
-
C.
Valle de San Vicente
Valle de San Vicente is a rural valley region in Baja California, Mexico, known for its agriculture and emerging wine production, located inland from the coastal city of Ensenada.
-
D.
Valle de Guadalupe
Valle de Guadalupe is Mexico’s premier wine-producing region, renowned for its vineyards, boutique wineries, and gourmet food scene in the state of Baja California.
-
E.
Miramar Mesa
Miramar Mesa is a neighborhood in San Diego, California, known for its proximity to Marine Corps Air Station Miramar and its mix of residential, commercial, and light industrial areas.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
lava field
ⓘ
volcanic landscape ⓘ |
| climate | temperate subhumid ⓘ |
| composedPrimarilyOf | basalt ⓘ |
| continent | North America ⓘ |
| country | Mexico ⓘ |
| elevation | approximately 2300–2400 meters above sea level ⓘ |
| formedBy | Xitle volcano eruption ⓘ |
| geologicalAge | Holocene ⓘ |
| geologicalFeature |
fractured basalt blocks
ⓘ
lava tubes ⓘ pressure ridges ⓘ |
| geologicalOrigin | volcanic activity ⓘ |
| hasBiodiversityCharacteristic |
high endemism
ⓘ
unique biodiversity within an urban environment ⓘ |
| hasConservationStatus | partially protected ⓘ |
| hasEcosystemType |
dry forest
ⓘ
xerophytic scrub ⓘ |
| hasFauna |
birds
ⓘ
reptiles ⓘ small mammals ⓘ |
| hasProtectedArea |
Jardines del Pedregal de San Ángel
ⓘ
surface form:
Ecological Reserve of Pedregal de San Ángel
|
| hasScientificSignificance |
ecological succession on young volcanic substrates
ⓘ
study of endemic species in urban environments ⓘ |
| hasTerrainFeature | rugged basalt formations ⓘ |
| hasVegetationType |
cacti
ⓘ
shrubs ⓘ succulent plants ⓘ |
| isExampleOf |
urban nature reserve
ⓘ
volcanic lava flow landscape ⓘ |
| locatedIn |
Coyoacán
ⓘ
Mexico City ⓘ Tlalpan ⓘ southern Mexico City ⓘ Álvaro Obregón ⓘ |
| locatedInTimeZone | America/Mexico_City ⓘ |
| near | Xitle volcano ⓘ |
| partlyWithin |
Universidad Nacional Autónoma de México (main campus vicinity)
ⓘ
surface form:
National Autonomous University of Mexico campus
|
| partOf | Trans-Mexican Volcanic Belt ⓘ |
| threatenedBy |
habitat fragmentation
ⓘ
urbanization ⓘ |
| usedFor |
environmental education
ⓘ
recreation ⓘ scientific research ⓘ |
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: Pedregal de San Ángel lava field Description of subject: The Pedregal de San Ángel lava field is an extensive volcanic landscape in southern Mexico City, known for its rugged basalt formations and unique biodiversity within an urban environment.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pedregal de San Ángel ecological reserve (southern portion)
this entity surface form:
Pedregal de San Ángel lava fields