Piedras Negras, Coahuila, Mexico
E36739
Piedras Negras, Coahuila, Mexico is a border city on the Rio Grande opposite Eagle Pass, Texas, known as an important industrial and commercial hub in northern Mexico.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Piedras Negras, Coahuila | 14 |
| Piedras Negras, Coahuila, Mexico canonical | 5 |
How this entity was disambiguated
This entity first appeared as the object of triple T280030 — 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: Piedras Negras, Coahuila, Mexico Context triple: [Manassas, hasSisterCity, Piedras Negras, Coahuila, Mexico]
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A.
Texcoco, Mexico
Texcoco, Mexico is a municipality in the State of Mexico known for its agricultural research institutions, historical significance near ancient Lake Texcoco, and proximity to Mexico City.
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B.
Mexico Center
Mexico Center is a research program at Rice University's Baker Institute for Public Policy that focuses on Mexico-related public policy issues and U.S.–Mexico relations.
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C.
San Luis Potosí
San Luis Potosí is a central Mexican state known for its diverse landscapes—from the arid high plateau to the lush Huasteca region—rich mining history, and colonial-era architecture.
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D.
Puebla
Puebla is a historic and culturally rich city in central Mexico, renowned for its colonial architecture, culinary traditions like mole poblano, and its role in the Battle of Puebla commemorated on Cinco de Mayo.
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E.
Zacatecas
Zacatecas is a mountainous state in north-central Mexico known for its rich silver-mining history, colonial architecture, and location along the Sierra Madre Occidental.
- 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: Piedras Negras, Coahuila, Mexico Target entity description: Piedras Negras, Coahuila, Mexico is a border city on the Rio Grande opposite Eagle Pass, Texas, known as an important industrial and commercial hub in northern Mexico.
-
A.
Texcoco, Mexico
Texcoco, Mexico is a municipality in the State of Mexico known for its agricultural research institutions, historical significance near ancient Lake Texcoco, and proximity to Mexico City.
-
B.
Mexico Center
Mexico Center is a research program at Rice University's Baker Institute for Public Policy that focuses on Mexico-related public policy issues and U.S.–Mexico relations.
-
C.
San Luis Potosí
San Luis Potosí is a central Mexican state known for its diverse landscapes—from the arid high plateau to the lush Huasteca region—rich mining history, and colonial-era architecture.
-
D.
Puebla
Puebla is a historic and culturally rich city in central Mexico, renowned for its colonial architecture, culinary traditions like mole poblano, and its role in the Battle of Puebla commemorated on Cinco de Mayo.
-
E.
Zacatecas
Zacatecas is a mountainous state in north-central Mexico known for its rich silver-mining history, colonial architecture, and location along the Sierra Madre Occidental.
- F. None of above. chosen
Statements (48)
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: Piedras Negras, Coahuila, Mexico Description of subject: Piedras Negras, Coahuila, Mexico is a border city on the Rio Grande opposite Eagle Pass, Texas, known as an important industrial and commercial hub in northern Mexico.
Referenced by (19)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Piedras Negras, Coahuila, Mexico
subject linked to:
PDS
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico
linked to: Piedras Negras, Coahuila, Mexico